Operator`s manual | Bush Hog PT5 Cultivator User Manual

PT5
SICKLE BAR
BOOM MOWER
Part No. 50068814C
Published 09/10
Revised 03/11
OPERATOR’S MANUAL
This Operator's Manual is an integral part of the safe operation of this machine and must
be maintained with the unit at all times. READ, UNDERSTAND, and FOLLOW the Safety
and Operation Instructions contained in this manual before operating the equipment. C01Cover
BUSH HOG
®
2501 Griffin Ave.
Selma, AL 36703
334-874-2700
www.bushhog.com
©2010 Alamo Group Inc.
$0.00
To the Owner/Operator/Dealer
All implements with moving parts are potentially hazardous. There is no substitute for a cautious, safe-minded
operator who recognizes the potential hazards and follows reasonable safety practices. The manufacturer has
designed this implement to be used with all its safety equipment properly attached to minimize the chance of
accidents.
BEFORE YOU START! Read the safety messages on the implement and shown in your manual. Observe the rules
of safety and common sense!
WARRANTY INFORMATION:
Read and understand the complete Warranty Statement found in this Manual. Fill out the Warranty Registration
Form in full and return it to within 30 Days. Make certain the Serial Number of the Machine is recorded on the
Warranty Card and on the Warranty Form that you retain.
In order to reduce accidents and enhance the safe operation of mowers, Bush Hog, in cooperation with
other industry manufacturers has developed the AEM/FEMA Industrial and Agricultural Mower Safety
Practices video and guide book.
The video will familiarize and instruct mower-tractor operators in safe practices when using industrial
and agricultural mowing equipment. It is important that Every Mower Operator be educated in the operation of their mowing equipment and be able to recognize the potential hazards that can occur while operating a mower. This video, along with the mower operator’s manual and the warning messages on the
mower, will significantly assist in this important education.
Your Authorized Bush Hog Dealer may have shown this video and presented you a DVD Video when you
purchased your mower. If you or any mower operator have not seen this video, Watch the Video, Read
this Operator’s Manual, and Complete the Video Guidebook before operating your new mower. If you
do not understand any of the instructions included in the video or operator’s manual or if you have any
questions concerning safety of operation, contact your supervisor, dealer or Bush Hog.
If you would like a VHS video tape of the video, please email AEMVideo@alamo-group.com or Fax
AEM VHS Video at (830) 372-9529 or mail in a completed copy of the form on the back of this page to
AEM VHS Video 1502 E Walnut Street, Seguin, TX 78155. and request the VHS video version. Please
include your name, mailing address, mower model and serial number.
Every operator should be trained for each piece of equipment (Tractor and Mower), understand the
intended use, and the potential hazards before operating the equipment.
Bush Hog Division is willing to provide
one (1) AEM Mower Safety Practices Video
Please Send Me:
VHS Format – AEM/FEMA Mower Operator Safety Video
DVD Format – AEM/FEMA Mower Operator Safety Video
Mower Operator’s Manual
AEM Mower Operator’s Safety Manual
Requester Name:_______________________________Phone:_________________________________
Requester Address:_______________________________________
City:_____________________________________
State: ____________________________________
Zip Code:_________________________________
Mower Model:_____________________________Serial Number:________________________
Date Purchased:____________________________Dealer Salesperson:_____________________
Dealership Name:__________________________ Dealership Location:____________________
Mail to:
AEM Video Services
1502 E Walnut street
Seguin, TX 78155
Or Fax to:
(830) 372-9529
Or Email to:
AEMVideo@alamo-group.com
TABLE OF CONTENTS
SAFETY SECTION .............................................................................................................. 1-1
Safety Messages ............................................................................................................................................... 1-2
Decal Location ................................................................................................................................................. 1-12
Decal Description ............................................................................................................................................. 1-14
Federal Laws and Regulations ........................................................................................................................ 1-18
INTRODUCTION SECTION ................................................................................................. 2-1
ASSEMBLY SECTION ........................................................................................................ 3-1
TRACTOR SELECTION .................................................................................................................................... 3-2
Ballast Weight .................................................................................................................................................... 3-2
ATTACHMENT TO TRACTOR .......................................................................................................................... 3-2
COUPLING UP HYDRAULICS .......................................................................................................................... 3-3
REMOVAL FROM THE TRACTOR ................................................................................................................... 3-3
STORAGE ......................................................................................................................................................... 3-3
OPERATION SECTION ....................................................................................................... 4-1
Standard Equipment and Specifications ............................................................................................................ 4-3
OPERATOR REQUIREMENTS ......................................................................................................................... 4-4
TRACTOR REQUIREMENTS ............................................................................................................................ 4-5
ROPS and Seat Belt .......................................................................................................................................... 4-5
Operator Thrown Object Protection ................................................................................................................... 4-5
Tractor Lighting and SMV Emblem .................................................................................................................... 4-6
Tractor Horsepower ........................................................................................................................................... 4-6
3-Point Hitch ...................................................................................................................................................... 4-6
Hydraulics .......................................................................................................................................................... 4-7
Front End Weight ............................................................................................................................................... 4-7
Power Take Off (PTO) ....................................................................................................................................... 4-7
GETTING ON AND OFF THE TRACTOR ......................................................................................................... 4-8
Boarding the Tractor .......................................................................................................................................... 4-8
Dismounting the Tractor ..................................................................................................................................... 4-8
STARTING THE TRACTOR .............................................................................................................................. 4-9
CONNECTING THE IMPLEMENT TO TRACTOR .......................................................................................... 4-11
PRE-OPERATION INSPECTION AND SERVICE ........................................................................................... 4-11
Tractor Pre-Operation Inspection/Service ........................................................................................................ 4-12
Boom Unit Pre-Operation Inspection and Service ........................................................................................... 4-13
OPERATING THE IMPLEMENT ...................................................................................................................... 4-19
Machine Controls ............................................................................................................................................. 4-19
Arm Controls .................................................................................................................................................... 4-20
Forward Speed ................................................................................................................................................ 4-21
Highway Working ............................................................................................................................................. 4-21
Unclogging Cutterbar, Checks or Adjustments ................................................................................................ 4-21
Breakaway ....................................................................................................................................................... 4-21
Swingover ........................................................................................................................................................ 4-21
DRIVING THE TRACTOR AND IMPLEMENT ................................................................................................. 4-22
Starting the Tractor .......................................................................................................................................... 4-23
Brake and Differential Lock Setting .................................................................................................................. 4-24
Driving the Tractor and Boom .......................................................................................................................... 4-25
OPERATING THE TRACTOR AND IMPLEMENT ........................................................................................... 4-26
Foreign Debris Hazards/Overhead Obstructions ............................................................................................. 4-27
Operating Speed and Ground Speed .............................................................................................................. 4-27
Operating the Attached Head .......................................................................................................................... 4-28
Shutting Down the Implement .......................................................................................................................... 4-29
TRACTOR, BOOM, AND ATTACHED HEAD STORAGE ............................................................................... 4-29
DISCONNECTING THE IMPLEMENT ............................................................................................................. 4-30
TRANSPORTING THE TRACTOR AND IMPLEMENT ................................................................................... 4-30
Transporting on Public Roadways ................................................................................................................... 4-31
Hauling the Tractor and Implement .................................................................................................................. 4-34
TROUBLESHOOTING GUIDE ........................................................................................................................ 4-35
MAINTENANCE SECTION .................................................................................................. 5-1
LUBRICATION ................................................................................................................................................... 5-2
FASTENERS ..................................................................................................................................................... 5-2
CUTTERBAR ..................................................................................................................................................... 5-3
Adjusting the Knife Guides ................................................................................................................................. 5-3
Sharpening the Knife ......................................................................................................................................... 5-4
HYDRAULIC RAMS ........................................................................................................................................... 5-5
Ram Seal Replacement- General Information ................................................................................................... 5-5
To Change Seals on Angle, Reach and 40 MM Dia Lift Ram ............................................................................ 5-5
To Change Seals on 50 MM Dia Lift Ram ......................................................................................................... 5-5
Filtration Maintenance ........................................................................................................................................ 5-5
Cylinder Rod Maintenance ................................................................................................................................. 5-6
CONTROL VALVE ............................................................................................................................................. 5-6
Non Return Valve ............................................................................................................................................... 5-6
Replacing Spool “O” Rings ................................................................................................................................ 5-7
Main Relief Valve ............................................................................................................................................... 5-7
HYDRAULIC HOSES ......................................................................................................................................... 5-7
Hose Replacement ............................................................................................................................................ 5-7
Hose Warranty ................................................................................................................................................... 5-8
HOSE CONNECTIONS ..................................................................................................................................... 5-8
STORAGE ......................................................................................................................................................... 5-8
PROPER TORQUE VALUES FOR FASTENERS ............................................................................................. 5-8
SAFETY SECTION
Safety Section 1-1
SAFETY
Safety Messages
A careful operator is the best operator. Safety is of primary importance to the manufacturer and should be to
the owner/operator. Most accidents can be avoided by being aware of your equipment, your surroundings, and
observing certain precautions. The first section of this manual includes a list of Safety Messages that, if
followed, will help protect the operator and bystanders from injury or death. Read and understand these Safety
Messages before assembling, operating or servicing this Implement. This equipment should only be operated
by those persons who have read the manual, who are responsible and trained, and who know how to do so
responsibly.
SAFETY
The Safety Alert Symbol combined with a Signal Word, as seen below, is used throughout this
manual and on decals which are attached to the equipment. The Safety Alert Symbol means:
“ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!” The Symbol and Signal Word
are intended to warn the owner/operator of impending hazards and the degree of possible injury
faced when operating this equipment.
Practice all usual and customary safe working precautions and above all---remember safety is
up to YOU. Only YOU can prevent serious injury or death from unsafe practices.
Indicates an imminently hazardous situation that, if not avoided, WILL result in DEATH OR
VERY SERIOUS INJURY.
Indicates an imminently hazardous situation that, if not avoided, COULD result in DEATH
OR SERIOUS INJURY.
Indicates an imminently hazardous situation that, if not avoided, MAY result in MINOR
INJURY.
Identifies special instructions or procedures that, if not strictly observed, could result in
damage to, or destruction of the machine, attachments or the environment.
NOTE: Identifies points of particular interest for more efficient and convenient operation or repair.(SG-1)
READ, UNDERSTAND, and FOLLOW the following Safety Messages. Serious injury or
death may occur unless care is taken to follow the warnings and instructions stated in the
Safety Messages. Always use good common sense to avoid hazards. (SG-2)
Si no lee ingles, pida ayuda a alguien que si lo lea para que le traduzca las
medidas de seguridad. (SG-3)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-2
SAFETY
Never operate the Tractor or Implement until you have read and
completely understand this Manual, the Tractor Operator’s Manual, and
each of the Safety Messages found in the Manual or on the Tractor and
Implement. Learn how to stop the tractor engine suddenly in an
emergency.
Never allow inexperienced or untrained personnel to
operate the Tractor or Implement without supervision. Make sure the
operator has fully read and understood the manuals prior to operation.
(SG-4)
Always maintain the safety signs in good readable condition. If the safety signs are missing,
damaged, or unreadable, obtain and install replacement safety signs immediately. (SG-5)
Operate this Equipment only with a Tractor equipped with an approved rollover-protective system (ROPS). Always wear seat belts. Serious injury or
even death could result from falling off the tractor--particularly during a turnover
when the operator could be pinned under the ROPS. (SG-7)
Do not modify or alter this Implement. Do not permit anyone to modify or alter this
Implement, any of its components or any Implement function. (SG-8)
BEFORE leaving the tractor seat, always set the parking brake and/or set
the tractor transmission in parking gear, disengage the PTO, stop the
engine, remove the key, and wait for all moving parts to stop. Place the
tractor shift lever into a low range or parking gear to prevent the tractor
from rolling. Never dismount a Tractor that is moving or while the engine
is running. Operate the Tractor controls from the tractor seat only. (SG-9)
Never allow children or other persons to ride on the Tractor or Implement.
Falling off can result in serious injury or death. (SG-10)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-3
SAFETY
Make certain that the “Slow Moving Vehicle” (SMV) sign is installed in
such a way as to be clearly visible and legible. When transporting the
Equipment use the Tractor flashing warning lights and follow all local
traffic regulations. (SG-6)
SAFETY
Never allow children to operate, ride on, or come close to the Tractor or
Implement. Usually, 16-17 year-old children who are mature and
responsible can operate the implement with adult supervision, if they
have read and understand the Operator’s Manuals, been trained in
proper operation of the tractor and Implement, and are physically large
enough to reach and operate the controls easily. (SG-11)
SAFETY
Do not mount or dismount the Tractor while the tractor is moving. Mount
the Tractor only when the Tractor and all moving parts are completely
stopped. (SG-12)
Start tractor only when properly seated in the Tractor seat. Starting a
tractor in gear can result in injury or death. Read the Tractor operators
manual for proper starting instructions. (SG-13)
Never work under the Implement, the framework, or any lifted
component unless the Implement is securely supported or blocked up
to prevent sudden or inadvertent falling which could cause serious
injury or even death. (SG-14)
Do not operate this Equipment with hydraulic oil or fuel leaking. Oil
and fuel are explosive and their presence could present a hazard. Do
not check for leaks with your hand! High-pressure oil streams from
breaks in the line could penetrate the skin and cause tissue damage
including gangrene. To check for a hose leak, SHUT the unit ENGINE
OFF and remove all hydraulic pressure. Wear oil impenetrable gloves,
safety glasses and use Cardboard to check for evidence of oil leaks. If
you suspect a leak, REMOVE the HOSE and have it tested at a Dealer.
If oil does penetrate the skin, have the injury treated immediately by a
physician knowledgeable and skilled in this procedure. (SG-15)
The operator and all support personnel should wear hard hats, safety
shoes, safety glasses, and proper hearing protection at all times for
protection from injury including injury from items that may be thrown by
the equipment. (SG-16)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-4
SAFETY
PROLONGED EXPOSURE TO LOUD NOISE MAY CAUSE
PERMANENT HEARING LOSS! Tractors with or without an Implement
attached can often be noisy enough to cause permanent hearing loss.
We recommend that you always wear hearing protection if the noise in
the Operator’s position exceeds 80db. Noise over 85db over an
extended period of time will cause severe hearing loss. Noise over 90db
adjacent to the Operator over an extended period of time will cause
permanent or total hearing loss. NOTE: Hearing loss from loud noise
[from tractors, chain saws, radios, and other such sources close to the
ear] is cumulative over a lifetime without hope of natural recovery. (SG-I7)
Before transporting the Tractor and Implement, determine the proper transport speeds for
you and the equipment. Make sure you abide by the following rules:
Test the tractor at a slow speed and increase the speed slowly. Apply the Brakes smoothly
to determine the stopping characteristics of the Tractor and Implement. As you increase
the speed of the Tractor the stopping distance increases.
Determine the maximum
transport speed not to exceed 20 mph (30 kph) for transporting this equipment.
Test the equipment at a slow speed in turns. Increase the speed through the turn only after
you determine that the equipment can be operated at a higher speed. Use extreme care
and reduce your speed when turning sharply to prevent the tractor and implement from
turning over. Determine the maximum turning speed for you and this equipment before
operating on roads or uneven ground.
Only transport the Tractor and Implement at the speeds which allow you to properly control
the equipment.
Be aware of the operating conditions. Do not operate the Tractor with weak or faulty brakes
or worn tires. When operating down a hill or on wet or rain slick roads, the braking distance
increases: use extreme care and reduce your speed. When operating in traffic always use
the Tractor’s flashing warning lights and reduce your speed. Be aware of traffic around you
and watch out for the other guy. (SG-19)
Never attempt to lubricate, adjust, or remove material from the Implement while it is in
motion or while tractor engine is running. (SG-20)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-5
SAFETY
Transport only at speeds where you can maintain control of the
equipment. Serious accidents and injuries can result from operating this
equipment at high speeds. Understand the Tractor and Implement and
how it handles before transporting on streets and highways. Make sure the Tractor steering
and brakes are in good condition and operate properly.
SAFETY
SAFETY
Periodically inspect all moving parts for wear and replace when
necessary with authorized service parts. Look for loose fasteners, worn
or broken parts, and leaky or loose fittings. Make sure all pins have
cotter pins and washers. Serious injury may occur from not maintaining
this machine in good working order. (SG-21)
Always read carefully and comply fully with the manufacturer’s
instructions when handling oil, solvents, cleansers, and any other
chemical agent. (SG-22)
Never run the Tractor engine in a closed building or without adequate ventilation. The
exhaust fumes can be hazardous to your health. (SG-23)
KEEP AWAY FROM ROTATING ELEMENTS to prevent entanglement
and possible serious injury or death. (SG-24)
Never allow children to play on or around Tractor or Implement. Children can slip or fall off
the Equipment and be injured or killed. Children can cause the Implement to shift or fall
crushing themselves or others. (SG-25)
Do not exceed the rated PTO speed for the Implement. Excessive PTO speeds can cause
Implement driveline or blade failures resulting in serious injury or death. (SG-26)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-6
SAFETY
NEVER use drugs or alcohol immediately before or while operating the
Tractor and Implement. Drugs and alcohol will affect an operator’s
alertness and coordination and therefore affect the operator’s ability to
operate the equipment safely. Before operating the Tractor or Implement,
an operator on prescription or over-the-counter medication must consult
a medical professional regarding any side effects of the medication that
would hinder their ability to operate the Equipment safely. NEVER
knowingly allow anyone to operate this equipment when their alertness or
coordination is impaired. Serious injury or death to the operator or others
could result if the operator is under the influence of drugs or alcohol. (SG-27)
Mow only in conditions where you have clear visibility in daylight or with adequate artificial
lighting. Never mow in darkness or foggy conditions where you cannot clearly see at least
300 feet (90 m) in front and to the sides of the tractor and mower. Make sure that you can
clearly see and identify passersby, steep slopes, ditches, drop-offs, overhead obstructions,
power lines, debris and foreign objects. If you are unable to clearly see these type of items
discontinue mowing. (SGM-1)
There are obvious and hidden potential hazards in the operation of this
Mower. REMEMBER! This machine is often operated in heavy brush
and in heavy weeds. The Blades of this Mower can throw objects if
shields are not properly installed and maintained. Serious injury or even
death may occur unless care is taken to insure the safety of the operator,
bystanders, or passersby in the area. Do not operate this machine with
anyone in the immediate area. Stop mowing if anyone is within 300 feet
of mower. (SGM-02)
All Safety Shields, Guards and Safety devices including (but not
limited to) - the Deflectors, Chain Guards, Steel Guards, Gearbox
Shields, PTO integral shields, and Retractable Door Shields should
be used and maintained in good working condition. All safety
devices should be inspected carefully at least daily for missing or
broken components. Missing, broken, or worn items must be
replaced at once to reduce the possibility of injury or death from
thrown objects, entanglement, or blade contact. (SGM-3)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-7
SAFETY
Operate the Tractor and/or Implement controls only while properly seated in the Tractor seat
with the seat belt securely fastened around you. Inadvertent movement of the Tractor or
Implement may cause serious injury or death. (SG-29)
SAFETY
The rotating parts of this machine have been designed and tested for rugged use.
However, the blades could fail upon impact with heavy, solid objects such as metal guard
rails and concrete structures. Such impact could cause the broken objects to be thrown
outward at very high velocities. To reduce the possibility of property damage, serious
injury, or even death, never allow the cutting blades to contact such obstacles. (SGM-4)
SAFETY
Extreme care should be taken when operating near loose objects such
as gravel, rocks, wire, and other debris. Inspect the area before
mowing. Foreign objects should be removed from the site to prevent
machine damage and/or bodily injury or even death. Any objects that
cannot be removed must be clearly marked and carefully avoided by the
operator. Stop mowing immediately if blades strike a foreign object.
Repair all damage and make certain rotor or blade carrier is balanced
before resuming mowing. (SGM-05)
Many varied objects, such as wire, cable, rope, or chains, can become entangled in the
operating parts of the mower head. These items could then swing outside the housing at
greater velocities than the blades. Such a situation is extremely hazardous and could result
in serious injury or even death. Inspect the cutting area for such objects before mowing.
Remove any like object from the site. Never allow the cutting blades to contact such items.
(SGM-06)
Mow at the speed that you can safely operate and control the tractor and mower. The
correct mowing speed depends on terrain condition and grass type, density, and height of
cut. Normal ground speed range is from 2 to 5 mph(3-8 kph). Use slow mowing speeds
when operating on or near steep slopes, ditches, drop-offs, overhead obstructions, power
lines, or when debris and foreign objects are to be avoided. (SGM-07)
Avoid mowing in reverse direction when possible. Check to make sure there are no
persons behind the mower and use extreme care when mowing in reverse. Mow only at a
slow ground speed where you can safely operate and control the tractor and mower.
Never mow an area that you have not inspected and removed debris or foreign material.
(SGM-08)
Do not put hands or feet under mower decks. Blade Contact can result
in serious injury or even death. Stay away until all motion has stopped
and the decks are securely blocked up. (SGM-09)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-8
SAFETY
Replace bent or broken blades with new blades. NEVER ATTEMPT TO STRAIGHTEN,
WELD, OR WELD HARDFACING ON BLADES SINCE THIS WILL LIKELY CRACK OR
OTHERWISE DAMAGE THE BLADE WITH SUBSEQUENT FAILURE AND POSSIBLY
CAUSE SERIOUS INJURY FROM THROWN BLADES. (SGM-10)
Rotary Mowers are capable under adverse conditions of throwing
objects for great distances (300 feet or more) and causing serious injury
or death. Follow safety messages carefully.
STOP MOWING IF PASSERSBY ARE WITHIN 300 Feet UNLESS:
-Mower sections or Wings are running close to and parallel to the ground without exposed
Blades;
-Passersby are outside the existing thrown-object zone;
-All areas have been thoroughly inspected and all foreign material such as rocks, cans,
glass, and general debris has been removed.
NOTE: Where there are grass and weeds high enough to hide debris that could be struck
by the blades, the area should be: inspected and large debris removed, mowed at an
intermediate height, inspected, closely with any remaining debris being removed, and
mowed again at desired final height. (This will also reduce power required to mow, reduce
wear and tear on the Mower drivetrain, spread cut material better, reduce streaking, and
make the final cut more uniform). (SRM-01)
Do not let the Blades turn when the Mower Deck is raised for any
reason, including clearance or for turning. Raising the Mower deck
exposes the Cutting Blades which creates a potentially serious hazard
and could cause serious injury or even death from objects thrown from
the Blades. (SRM-07)
Never leave the Tractor and Implement unattended while the Implement is in the lifted
position. Accidental operation of lifting lever or a hydraulic failure may cause sudden drop
of unit with injury or death by crushing. To properly park the implement when disconnecting
it from the tractor, lower the stand and put the retaining pin securely in place, or put a secure
support under the A-Frame. Lower the implement carefully to the ground. Do not put hands
or feet under lifted components. (S3PT-1)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-9
SAFETY
-Front and Rear Deflectors, Chain Guards, or Bands are installed and in good, workable
condition;
SAFETY
Be particularly careful when transporting the Implement with the Tractor. Turn curves or go
up hills only at a low speed and using a gradual steering angle. Rear mounted implements
move the center of gravity to the rear and remove weight from the front wheels. Make
certain, by adding front ballast, that at least 20% of the tractor’s weight is on the front wheels
to prevent rearing up, loss of steering control or Tractor tip-over. Slow down on rough or
uneven surfaces to prevent loss of steering control which could result in property damage
or possible injury. Do not transport unless 3-Point lift lever is fully raised and in the latched
transport position. Dropping implement in transport can cause serious damage to the
tractor and/or Implement and possibly cause the operator or others to be injured or killed.
SAFETY
(S3PT-02)
There are obvious and hidden potential hazards in the operation of this Implement as in all
power-driven or pulled equipment. REMEMBER! This machine is often operated in rough
terrain conditions that include tall grass, weeds, gullies, holes, slopes, hidden obstructions
and the like. Serious injury or even death may occur unless care is taken to assure the
safety of the operator and bystanders in the area. Do not operate this machine with anyone
in the immediate area. (S3PT-07)
Make sure the PTO shield, integral driveline shields, and input shields
are installed when using PTO-driven equipment. Always replace any
shield if it is damaged or missing. (S3PT-8)
Relieve hydraulic pressure prior to doing any maintenance or repair work
on the Implement. Place the Implement on the ground or securely
blocked up, disengage the PTO, and turn off the tractor engine. Push
and pull the Remote Cylinder lever in and out several times prior to
starting any maintenance or repair work. (S3PT-09)
The rotating parts of this machine continue to rotate even after the PTO has been turned off.
The operator should remain in his seat for 60 seconds after the brake has been set, the
PTO disengaged, the tractor turned off, and all evidence of rotation has ceased. (S3PT-10)
“Wait a minute...Save a life!”
Always disconnect the main PTO Driveline from the Tractor before performing service on
the Implement. Never work on the Implement with the tractor PTO driveline connected and
running. Rotating Parts, Blades or Drivelines could turn without warning and cause
immediate entanglement, injury or death. (S3PT-11)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-10
SAFETY
This Implement may be wider than the Tractor. Be careful when operating or transporting
this equipment to prevent the Implement from running into or striking sign posts, guard rails,
concrete abutments or other solid objects. Such an impact could cause the Implement and
Tractor to pivot violently resulting in loss of steering control, serious injury, or even death.
Never allow the Implement to contact obstacles. (S3PT-12)
PARTS INFORMATION
Bush Hog mowers use balanced and matched system components for blade carriers, blades, cuttershafts,
knives, knife hangers, rollers, drivetrain components, and bearings. These parts are made and tested to Bush
Hog specifications. Non-genuine "will fit" parts do not consistently meet these specifications. The use of “will
fit” parts may reduce mower performance, void warranties, and present a safety hazard. Use genuine Bush
Hog mower parts for economy and safety. (SPBH-1)
SEE YOUR BUSH HOG DEALER
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-11
SAFETY
In addition to the design and configuration of this Implement, including Safety Signs and Safety Equipment,
hazard control and accident prevention are dependent upon the awareness, concern, prudence, and proper
training of personnel involved in the operation, transport, maintenance, and storage of the machine. Refer
also to Safety Messages and operation instruction in each of the appropriate sections of the Tractor and
Equipment Manuals. Pay close attention to the Safety Signs affixed to the Tractor and Equipment. (SG-18)
SAFETY
Decal Location
SAFETY
NOTE: Bush Hog supplies safety decals on this product to promote safe operation. Damage to the decals may
occur while in shipping, use, or reconditioning. Bush Hog cares about the safety of its customers, operators,
and bystanders, and will replace the safety decals on this product in the field, free of charge (Some shipping
and handling charges may apply). Contact your Bush Hog dealer to order replacement decals.
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-12
SAFETY
PART NO.
QTY
TYPE
DESCRIPTION
1.
02967827
1
DANGER
Multiple Hazard Rotary
2.
02958241
1
DANGER
Multiple Hazard Boom
3.
02965262
1
WARNING
Oil Leak Penetration
4.
00786980
1
IMPORTANT
Use Genuine Bush Hog Parts
5.
02962764
2
DANGER
Pinch Points/Scissors
6.
02962765
1
DANGER
Multiple Hazard/Crushing
7.
02965093
1
ATTENTION
Do Not Overspeed Engine
8.
50068814
1
________
Operator’s Manual (Inside Canister)
9.
3688303
1
DANGER
Keep Away Sharp Blades
10.
50063360
1
LOGO
Bush Hog Logo
11.
50068742
1
NAME
PT5 Powertrim
12.
00763977
1
NOTICE
Notice to Owner
13.
NFS
1
SER PLT
Powertrim Serial Plate
14.
D524
1
________
Safety Decal Booklet
15.
02977046
1
________
AEM Mower Safety Manual
16.
00776031
1
________
Canister
17.
10058000
1
________
Bolt
18.
00024100
4
________
Flatwasher
19.
0295924
4
________
Locknut
20.
03200347
*
REFLCTR
SMV Sign
*
Supplied by Tractor Manufacturer. Replace if missing from Tractor.
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-13
SAFETY
ITEM
SAFETY
Decal Description
SAFETY
DANGER! - Multi Hazard - Failure to follow Safety
Messages and Operating Instructions can cause
serious bodily injury or even death to Operator and
Others in area.
P/N 02967827
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-14
SAFETY
DANGER! - Multi-Hazard Boom. Take precautions
while transporting and operating Boom Unit.
P/N 02958241
P/N 02965262
For safety and to guarantee optimum product
reliability always use genuine Bush Hog
replacement parts.
P/N 00786980
WARNING! Pinch Points
P/N 02962764
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-15
SAFETY
WARNING! Failure to INSPECT and REPAIR or
REPLACE Hoses may allow worn Hoses to rupture
SUDDENLY and VIOLENTLY with resulting serious
BODILY INJURY from SCALDING or FIRE with
resulting BURN INJURY or DEATH.
SAFETY
SAFETY
DANGER! Crushing and Pinch Points.
Moving machinery parts can pinch or crush or fallwhich may cause injury or death.
P/N 02962765
INFORMATION - To prevent premature hydraulic
component failure, do not over speed the engine.
When using the mower attachment, operate tractor
at the engine speed which will deliver 540 PTO
RPM on Tachometer. Over speeding the engine
and pump when operating the mower will overheat
and rapidly ruin the oil which will decrease the life
of the hydraulic components.
P/N 02965093
DANGER! Keep Away Sharp Blades.
3688303
Logo Product Name: Bush Hog (8”)
P/N 50063360
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-16
SAFETY
Model Name - PT5 Powertrim
P/N 50068742
P/N 00763977
Read Operator’s Manual! The operator’s manual is
located inside this canister. If the manual is
missing order one from your dealer.
P/N 00776031
Slow Moving Vehicle Decal. Keep SMV reflector
clean and visible. DO NOT transport or operate
without the SMV.
P/N 03200347
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-17
SAFETY
Operator's Manual (with repair parts) and warranty
was attached to this implement during final
inspection.
SAFETY
Federal Laws and Regulations
This section is intended to explain in broad terms the concept and effect of federal laws and regulations concerning
employer and employee equipment operators. This section is not intended as a legal interpretation of the law and
should not be considered as such.
Employer-Employee Operator Regulations
SAFETY
U.S. Public Law 91-596 (The Williams-Steiger Occupational and Health Act of 1970) OSHA
This Act Seeks:
“...to assure so far as possible every working man and woman in the nation safe and healthful working
conditions and to preserve our human resources...”
DUTIES
Sec. 5 (a) Each employer(1) shall furnish to each of his employees employment and a place of employment which are free from
recognized hazards that are causing or are likely to cause death or serious physical harm to his employees;
(2) shall comply with occupational safety and health standards promulgated under this Act.
(b) Each employee shall comply with occupational safety and health standards and all rules, regulations and
orders issued pursuant to this Act which are applicable to his own actions and conduct.
OSHA Training Requirements
Title 29, Code of Federal Regulations Part 1928.57(a)(6). www.osha.gov
Operator instructions. At the time of initial assignment and at least annually thereafter, the employer shall
instruct every employee who operates an agricultural tractor and implements in the safe operating practices
and servicing of equipment with which they are or will be involved, and of any other practices dictated by the
work environment.
Keep all guards in place when the machine is in operation;
Permit no riders on equipment
Stop engine, disconnect the power source, and wait for all machine movement to stop before servicing,
adjusting, cleaning or unclogging the equipment, except where the machine must be running to be properly
serviced or maintained, in which case the employer shall instruct employees as to all steps and procedures
which are necessary to safely service or maintain the equipment.
Make sure everyone is clear of machinery before starting the engine, engaging power, or operating the
machine.
Employer Responsibilities:
To ensure employee safety during Tractor and Implement operation, it is the employer’s responsibility to:
1.
2.
3.
4.
Train the employee in the proper and safe operation of the Tractor and Implement.
Require that the employee read and fully understand the Tractor and Implement Operator’s manual.
Permit only qualified and properly trained employees to operate the Tractor and Implement.
Maintain the Tractor and Implement in a safe operational condition and maintain all shields and guards on the
equipment.
5. Ensure the Tractor is equipped with a functional ROPS and seat belt and require that the employee operator
securely fasten the safety belt and operate with the ROPS in the raised position at all times.
6. Forbid the employee operator to carry additional riders on the Tractor or Implement.
7. Provide the required tools to maintain the Tractor and Implement in a good safe working condition and provide the
necessary support devices to secure the equipment safely while performing repairs and service.
8. Require that the employee operator stop operation if bystanders or passersby come within 300 feet.
Child Labor Under 16 Years of Age
Some regulations specify that no one under the age of 16 may operate power machinery. It is your responsibility to
know what these regulations are in your own area or situation. (Refer to U.S. Dept. of Labor, Employment Standard
Administration, Wage & Home Division, Child Labor Bulletin #102.)
PT5 09/10
© 2010 Alamo Group Inc.
Safety Section 1-18
INTRODUCTION SECTION
Introduction Section 2-1
INTRODUCTION
This PT5 Sickle Bar is designed with care and built with quality materials by skilled workers. Proper assembly,
maintenance, and operating practices, as described in this manual, will help the owner/operator get years of
satisfactory service from the machine.
INTRODUCTION
The purpose of this manual is to familiarize, and instruct. The Assembly Section instructs the owner/operator in
the correct assembly of the Implement using standard and optional equipment.
Careful use and timely service saves extensive repairs and costly downtime losses. The Operation and
Maintenance Sections of the manual train the owner/operator how to work the Implement correctly and attend
to appropriate maintenance. The Trouble Shooting Guide helps diagnose difficulties with implement and offers
solution to the problems.
Safety is of primary importance to the owner/operator and to the manufacturer. The first section of this manual
includes a list of Safety Messages, that, if followed, will help protect the operator and bystanders from injury or
death. Many of the Safety Messages will be repeated throughout the manual. The owner/operator/dealer
should know these Safety Messages before assembly and be aware of the hazards of operating this mower
during assembly, use, and maintenance. The Safety Alert Symbol combined with a Signal Word, as seen
below, is intended to warn the owner/operator of impending hazards and the degree of possible injury faced
when operating this machine.
Indicates an imminently hazardous situation that, if not avoided, WILL result in DEATH OR
VERY SERIOUS INJURY.
Indicates an imminently hazardous situation that, if not avoided, COULD result in DEATH
OR SERIOUS INJURY.
Indicates an imminently hazardous situation that, if not avoided, MAY result in MINOR
INJURY.
Identifies special instructions or procedures that, if not strictly observed, could result in
damage to, or destruction of the machine, attachments or the environment.
PT5 09/10
© 2010 Alamo Group Inc.
Introduction Section 2-2
INTRODUCTION
INTRODUCTION
The sickle bar boom is designed for medium-duty work. They can cut grass and weeds, around waterways,
under fences and other hard-to-reach areas.
For Non-Agricultural use, OSHA, ASABE, SAE, and ANSI standards require the use of
Chain Guards, Deflectors, or Solid Skirts at all times. The Mower manufacturer strongly
recommends the use of Chain Guards, Deflectors, or Solid Skirts for Agricultural purposes
as well to reduce the risk of property damage, serious bodily injury, or even death from
objects thrown out by or from contact with the Cutting Blades.
At least 20% of the tractor’s total weight must be on the front tires with the Mower lifted to
provide adequate traction for safe steering under good conditions. Slow down on hills, rough
terrain, and curves.
Front and rear, and left and right are determined by the normal direction of travel (the same as on your
automobile).
PT5 09/10
© 2010 Alamo Group Inc.
Introduction Section 2-3
INTRODUCTION
Attention Owner/Operator
BEFORE OPERATING THIS MACHINE:
1. Carefully read the Operator’s Manual, completely understand the Safety Messages and instructions, and
know how to operate correctly both the Implement and Power Unit.
INTRODUCTION
2. Fill out the Warranty Card in full. Be sure to answer all questions, including the Serial Number of the
Implement. Mail promptly using the return envelope included with the Operator’s Manual.
NOTE: Warranties are honored only if completed “Owner Registration and Warranty” forms are received by
Alamo Group within thirty days of delivery of the mower.
3. Record the Implement Model and Serial Numbers on the Warranty page at the end of the Operator’s
Manual. Keep this as part of the permanent maintenance file for the Implement.
PT5 09/10
© 2010 Alamo Group Inc.
Introduction Section 2-4
ASSEMBLY SECTION
Assembly Section 3-1
ASSEMBLY
TRACTOR SELECTION
The PT5 is specifically designed to be fitted to all tractors with Category I linkage facility and a minimum weight
inclusive of ballast to manufacturer’s specifications of 650 kg (1430 lbs.). The tractor should also be equipped
with an OPEN CENTER HYDRAULIC SYSTEM.
ASSEMBLY
Check chains/stabilizer bars must be available to hold the machine firmly in position during transport and
operation. The tractor selected must have a relief valve setting between 2000 PSI (140 Bar) and 3000 PSI (210
Bar).
Ballast Weight
Irrespective of the size of the tractor it must be stable while operating the PT5 under all conditions. Due regard
must be paid to operating on slopes and front end ballast as well as rear wheel weights to counterbalance the
overhang of the cutterbar should be added as appropriate.
ATTACHMENT TO TRACTOR
1. Unbolt the upper halves of the yoke and fit them on either side of the tractor’s top hitch bracket with the 3/
4” UNF nut and bolt provided. If the tractor has only one top hitch position the bolt will replace the existing
top hitch pin. If more than one location is available, mount the yokes through an alternative position as it
will make it easier to put the machine on and take it off the tractor.
2. Do not tighten the nut at this stage.
3. Attach the machine to the three-point linkage and raise to give 200-250 MM (8”-10”) clearance under the
lowest part of the frame.
4. Rebolt the yoke halves together. It may be necessary to raise or lower the machine on the linkage to
achieve hole alignment. Adjust the top link until the main frame is vertical.
5. Tighten the nut and bolt securing the upper yoke just enough to eliminate any sideways movement. Do not
overtighten and squeeze the top hitch brackets.
6. Tighten the check chains/stabilizer bars.
7. Release its holding chain and position the control valve to suit the tractor and operator. This is achieved by
a combination of height adjustments in the mounting bar attachment and by bending the mounting bar
itself.
8. Turn the parking leg upside down and pin in position.
PT5 09/10
© 2010 Alamo Group Inc.
Assembly Section 3-2
ASSEMBLY
COUPLING UP HYDRAULICS
Note that if the tractor is equipped with one or more quick release hydraulic couplings the PT5 supply and
return hydraulic components may need to be rearranged to facilitate fitting to a variety of tractors.
The motor drain line must always be returned to a low pressure position i.e. Transmission plug.
Where no specific return connection is available and the transmission filter plug has to be used, an adaptor
must be fitted which then allows the motor return and the motor drain to utilize a common return location.
Run up the machine and operate through its complete range of movements including the operation of the
cutterbar drive. Check the tractor’s transmission oil level and top up if necessary.
You are now ready to proceed to the work site.
REMOVAL FROM THE TRACTOR
1.
2.
3.
4.
Select a firm level site.
Replace the stand leg to the park position with foot down.
Position the arms so that the motor is level with the bottom of the frame.
Raise tractor linkage to take the weight off the yoke. Where a common top link and yoke position is used,
the yoke must be unbolted in the middle. If different top link locations are used, the yoke may be unbolted
at the top.
5. Lower the machine to the ground and disconnect the three point linkage. Remove top halves of the yoke if
still attached to the tractor.
6. Use chain to tie the hydraulic control valve back to the main arm. This will make it easier for subsequent
coupling up.
7. Blank off hose ends or loop the hoses and join with coupling is available.
STORAGE
If the machine is to be left standing for an extended period of time, lightly coat the exposed portions of the ram
rods with grease. Subsequently, this grease which becomes contaminated with dust and grit should be wiped
off before the rams are next moved.
Liberally grease the cutterbar and replace the finger and knife guard. Remember to take caution and keep
fingers away from the knife.
If the machine is to be stored outside, lay a piece of tarpaulin or canvas over the control valve. Do not use a
plastic bag which could lead to rapid corrosion.
PT5 09/10
© 2010 Alamo Group Inc.
Assembly Section 3-3
ASSEMBLY
Consult the tractor’s handbook for correct installation of the supply and return connection.
OPERATION SECTION
Operation Section 4-1
OPERATION
BUSH HOG PT5
OPERATING INSTRUCTIONS
OPERATION
Bush Hog PT5s are manufactured with quality material by skilled workers. The implement is designed for
cutting hedges, grass and weeds, around waterways, under fences and other hard-to-reach areas. The
implement is equipped with protective deflectors to prevent objects being thrown from the implement by the
blades, however, no shielding is 100% effective. All shields, guards, and deflectors equipped on the mower
must be maintained in good operational condition.
It is the operator’s responsibility to be knowledgeable of all potential operating hazards and to take every
reasonable precaution to ensure oneself, others, animals, and property are not injured or damaged by the
implement, tractor, or a thrown object. Do not operate the mower if passersby, pets, livestock, or property are
within 100 yards of the unit.
This section of the Operator’s Manual is designed to familiarize, instruct, and educate safe and proper
implement use to the operator. Pictures contained in this section are intended to be used as a visual aid to
assist in explaining the operation of a PT5 and are not specific to any model. Some pictures may show shields
removed for picture clarity. NEVER operate implement without all shields in place and in good operational
condition. The operator must be familiar with the mower and tractor and all associated safety practices before
operating the mower and tractor. Proper operation of the mower, as detailed in this manual, will help ensure
years of safe and satisfactory use of the mower.
IMPORTANT: To avoid mower damage, retorque all bolts after the first 10 hours of operation. Refer to the
Torque Chart at the end of the Maintenance Section to ensure bolts are properly tightened.
READ AND UNDERSTAND THE ENTIRE OPERATING INSTRUCTIONS AND SAFETY SECTION OF THIS
MANUAL AND THE TRACTOR MANUAL BEFORE ATTEMPTING TO USE THE TRACTOR AND
IMPLEMENT. If you do not understand any of the instructions, contact your nearest authorized dealer for a
full explanation. Pay close attention to all safety signs and safety messages contained in this manual and
those affixed to the implement and tractor. OPS-U- 0001
READ, UNDERSTAND, and FOLLOW the following Safety Messages. Serious injury or
death may occur unless care is taken to follow the warnings and instructions stated in the
Safety Messages. Always use good common sense to avoid hazards. (SG-2)
Si no lee ingles, pida ayuda a alguien que si lo lea para que le traduzca las
medidas de seguridad. (SG-3)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-2
OPERATION
1. Standard Equipment and Specifications
Standard Specifications
CAT I Three Point Hitch
Boom reach: 11’ Up, 14’ Out, 6’ Down
OPERATION
Double Swing
Main Boom Arm is 2-3/4” Tubing
Dipper Arm is 2-1/4” Tubing
Mechanical Breakaway
Tractor-Supplied Hydraulics
4’ or 5’ Sickle Bar Head
Sickle bar angling range of 250 degrees
Cutting Capacity: 1/2” diameter
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-3
OPERATION
2. OPERATOR REQUIREMENTS
OPERATION
Safe operation of the unit is the responsibility of a qualified operator. A qualified operator has read and
understands the implement and tractor Operator’s Manuals and is experienced in implement and tractor
operation and all associated safety practices. In addition to the safety messages contained in this manual,
safety signs are affixed to the implement and tractor. If any part of the operation and safe use of this
equipment is not completely understood, consult an authorized dealer for a complete explanation.
If the operator cannot read the manuals for themselves or does not completely understand the operation of the
equipment, it is the responsibility of the supervisor to read and explain the manuals, safety practices, and
operating instructions to the operator.
Safe operation of equipment requires that the operator wear approved Personal Protective Equipment (PPE)
for the job conditions when attaching, operating, servicing, and repairing the equipment. PPE is designed to
provide operator protection and includes the following safety wear:
PERSONAL PROTECTIVE EQUIPMENT (PPE)
•
•
•
•
•
•
•
Always Wear Safety Glasses
Hard Hat
Steel Toe Safety Footwear
Gloves
Hearing Protection
Close Fitting Clothing
Respirator or Filter Mask (depends
operating conditions) OPS-U- 0002
on
NEVER use drugs or alcohol immediately before or while operating the
Tractor and Implement. Drugs and alcohol will affect an operator’s
alertness and coordination and therefore affect the operator’s ability to
operate the equipment safely. Before operating the Tractor or Implement,
an operator on prescription or over-the-counter medication must consult
a medical professional regarding any side effects of the medication that
would hinder their ability to operate the Equipment safely. NEVER
knowingly allow anyone to operate this equipment when their alertness or
coordination is impaired. Serious injury or death to the operator or others
could result if the operator is under the influence of drugs or alcohol. (SG-27)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-4
OPERATION
3. TRACTOR REQUIREMENTS
In addition to tractor horsepower and size required to operate the mower unit, the tractor must also be properly
equipped to provide operator protection, to alert approaching vehicle drivers of the tractor’s presence, and to
ensure tractor stability when mowing with the boom fully extended.
Tractor Requirements and Capabilities
ASABE approved Roll-Over Protective Structure (ROPS) or ROPS cab and seat belt.
Tractor Safety Devices ..................... Slow Moving Vehicle (SMV) emblem, lighting, PTO master shield
Tractor Horsepower-Minimum .......... 15 HP
Tractor Weight .................................. 1210 lbs.
Hitch ................................................. Cat I Three-point Hitch
Hydraulics......................................... Uses tractor’s open center hydraulic system
Power Take Off................................. 540 RPM
3.1 ROPS and Seat Belt
The tractor must be equipped with a Roll-Over-Protective-Structure (ROPS) (tractor cab or roll-bar) and seat
belt to protect the operator from falling off the tractor, especially during a roll over where the driver could be
crushed and killed. Only operate the tractor with the ROPS in the raised position and seat belt fastened.
Tractor models not equipped with a ROPS and seat belt should have these life saving features installed by an
authorized dealer. OPS-U- 0003
Operate this Equipment only with a Tractor equipped with an approved rollover-protective system (ROPS). Always wear seat belts. Serious injury or
even death could result from falling off the tractor--particularly during a turnover
when the operator could be pinned under the ROPS. (SG-7)
3.2 Operator Thrown Object Protection
The tractor must be equipped with protective
equipment to shield the operator from falling and
thrown objects. For cab tractors, the tractor must
be equipped with an operator safety screen on its
right side or the right side windows must be fitted
with a shatter proof safety window. For non-cab
tractors, the tractor must be equipped with a
ROPS and operator protective safety cage that
provides protection to the right and above the
operator seat. DO NOT remove the ROPS from
non-cab tractors to equip a safety cage.
OPS-B- 0001_A
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-5
OPERATION
•
•
•
•
•
•
•
OPERATION
Never operate the Tractor and Mower Unit without an OPS (Operators
Protective Structure) or Cab to prevent injury from objects thrown from
ground or from overhead trimming. Stop mowing if workers or passersby
are within 300 feet. (SBM-9)
OPERATION
3.3 Tractor Lighting and SMV Emblem
If the tractor will be operated near or traveled on a
public roadway it must be equipped with proper
warning lighting and a Slow Moving Vehicle (SMV)
emblem which are clearly visible from the rear of
the unit. Most tractor’s have different settings for
operating and transporting lighting. Refer to the
tractor operator’s manual for using the tractor’s
light switch and operating the turn signals.
OPS-B- 0017
3.4 Tractor Horsepower
The horsepower required to operate the mower depends on many factors including vegetation to be cut, terrain
condition, operator experience, and condition of the mower and tractor. For most mowing condition, the PT5
sickle bar requires a tractor with at least 15 HP. Operating the mower with a tractor that does not have
adequate power may damage the tractor engine.
3.5 3-Point Hitch
PT5 sickle bar can attach to tractors with a CAT I
three-point hitch. Refer to the tractor operator’s
manual for the category of the tractor used. If the
hitch does not conform to ASABE Cat I or II
dimensions, the mower may not fit or raise
properly. Consult an authorized dealer for possible
modification procedures to mount nonconforming
hitches.
Use the correct hitch pins for the hitch category
being used. For a Cat I hitch, 7/8” lower and 3/4”
upper diameter hitch pins are used.
CAT I Implement / Hitch Specification
Width from outside to outside A-frame...................... 26 7/8”
Quick Hitch width inside lug to lug ........................... 27 1/8”
Height from bottom hitch pin to top pin ........................... 18”
Lower pin diameter ........................................................ 7/8”
Upper pin diameter ....................................................... 3/4”
Lynch pin diameter .................................................... 15/32”
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-6
OPERATION
3.6 Hydraulics
The PT5 uses the tractor’s open center hydraulics remote outlets; optimum mower performance will require 3.8
to 5.6 gallons per minute. Adjust tractor RPM to achieve this hydraulic flow rate (Higher flow rates may cause
damage to the cutter’s drive mechanism).
Hydraulic controls shall be provided for boom lift, dipper, and sickle bar tilt for full operator control. The mower’s
hydraulic system shall be protected from overload by an automatic relief valve.
3.7 Front End Weight
3.8 Power Take Off (PTO)
Depending on the unit, the mower is designed to operate at a PTO speed of 540 or 1000 RPM. Most tractors
operate at either 540, or a combination of 540 and 1000 RPM PTO speeds. The operating speed of the
mower and tractor can be determined by the number of splines on the driveline yoke and PTO output shaft.
Those operating at 540 RPM will have a 6-spline shaft and those operating at 1000 RPM will have a 21-spline
shaft or a 1-3/4” 20 spline shaft. Refer to the tractor owner’s manual for instructions to change PTO speeds on
models that operate at more than one speed.
If operating an older model tractor where the tractor’s transmission and PTO utilize one master clutch, an
over-running clutch must be used between the PTO output shaft and the driveline of the mower. An
authorized tractor dealer can provide the over-running clutch and its installation if needed. OPS-U- 0006
DO NOT use a PTO adapter to attach a non-matching Implement driveline to a Tractor
PTO. Use of an adapter can double the operating speed of the Implement resulting in
excessive vibration, thrown objects, and blade and implement failure. Adapter use will also
change the working length of the driveline exposing unshielded driveline areas. Serious
bodily injury and/or equipment failure can result from using a PTO adapter. Consult an
authorized dealer for assistance if the Implement driveline does not match the Tractor PTO.
(S3PT-14)
Never operate the Tractor and Mower if the Implement input driveline is directly connected
to the Tractor transmission. Tractor braking distances can be substantially increased by
the momentum of the rotating Mower blades driving the Tractor transmission even though
the Tractor clutch has been disengaged. Install an over running clutch between the Tractor
PTO and the Mower driveline to prevent this potentially dangerous situation. (S3PT-16)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-7
OPERATION
A minimum of 20% total tractor weight must be maintained on the tractor front end at all times. Front end
weight is critical to maintain steering control and to prevent the tractor from rearing up while driving. If the
front end is too light, add weight until a minimum of 20% total weight is reached on the front tires. Front
weights and weight carriers can be purchased through an authorized tractor dealership. OPS-U- 0005
OPERATION
4. GETTING ON AND OFF THE TRACTOR
Before getting onto the tractor, the operator must read and completely understand the implement and tractor
operator manuals. If any part of either manual is not completely understood, consult an authorized dealer for
a complete explanation. OPS-U- 0007
OPERATION
Do not mount or dismount the Tractor while the tractor is moving. Mount
the Tractor only when the Tractor and all moving parts are completely
stopped. (SG-12)
4.1 Boarding the Tractor
Use both hands and equipped handrails and steps for support when boarding the tractor. Never use control
levers for support when mounting the tractor. Seat yourself in the operator’s seat and secure the seat belt
around you.
Never allow passengers to ride on the tractor or attached equipment. Riders can easily fall off and be
seriously injured or killed from falling off and being ran over. It is the operator’s responsibility to forbid all extra
riders at all times. OPS-U- 0008
Never allow children or other persons to ride on the Tractor or Implement.
Falling off can result in serious injury or death. (SG-10)
Never allow children to operate or ride on the Power Unit or Implement.
(SPU-17)
4.2 Dismounting the Tractor
Before dismounting, park the tractor and implement on a reasonably level surface, apply the parking brake,
idle the engine down, disengage the PTO, and lower the implement to the ground. Shut down the tractor
engine according to the operator’s manual, remove the key, and wait for all motion to completely stop. Never
leave the seat until the tractor, its engine and all moving parts have come to a complete stop.
Use hand rails and steps when exiting the tractor. Be careful of your step and use extra caution when mud,
ice, snow or other matter has accumulated on the steps or hand rails. Use all handrails and steps for support
and never rush or jump off the tractor. OPS-U- 0009
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-8
OPERATION
BEFORE leaving the tractor seat, always set the parking brake and/or set
the tractor transmission in parking gear, disengage the PTO, stop the
engine, remove the key, and wait for all moving parts to stop. Place the
tractor shift lever into a low range or parking gear to prevent the tractor
from rolling. Never dismount a Tractor that is moving or while the engine
is running. Operate the Tractor controls from the tractor seat only. (SG-9)
The operator must have a complete understanding of the placement, function, and operational use of all
tractor controls before starting the tractor. Review the tractor operator’s manual and consult an authorized
dealer for tractor operation instructions if needed.
Essential Tractor Controls:
•
•
•
•
•
•
•
•
Locate the ignition key/switch
Locate the engine shut off control
Locate the hydraulic control levers
Locate the light control lever
Locate the brake pedals and clutch
Locate the PTO control
Locate the 3 point hitch control lever
Locate the boom operating controls (joystick or valve bank)
Before starting the tractor ensure the following:
•
•
•
•
•
•
•
Conduct all pre-start operation inspection and service according to the tractor operator’s manual.
Make sure all guards, shields, and other safety devices are securely in place.
The parking brake is on.
The tractor transmission levers are in park or neutral.
The boom operating controls are in the neutral and off position.
The PTO control lever is disengaged.
The hydraulic remote control levers are in the neutral position.
Refer to the tractor owner’s manual for tractor starting procedures. Only start the tractor while seated and
belted in the tractor operator’s seat. Never bypass the ignition switch by short circuiting the starter solenoid.
After the tractor engine is running, avoid accidental contact with the tractor transmission to prevent sudden
and unexpected tractor movement. OPS-B- 0003
Never run the Tractor engine in a closed building or without adequate ventilation. The
exhaust fumes can be hazardous to your health. (SG-23)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-9
OPERATION
5. STARTING THE TRACTOR
OPERATION
Start tractor only when properly seated in the Tractor seat. Starting a
tractor in gear can result in injury or death. Read the Tractor operators
manual for proper starting instructions. (SG-13)
OPERATION
Avoid contact with hot surfaces including hydraulic oil tanks, pumps, motors, valves and
hose connections. Relieve hydraulic pressure before performing maintenance or repairs.
Use gloves and eye protection when servicing hot components. Contact with a hot surface
or fluid can cause serious injury from burns or scalding. (SG-34)
Always shut the Tractor completely down, place the transmission in park, and set the
parking brake before you or anyone else attempts to connect or disconnect the Implement
and Tractor hitches. (S3PT-15)
Periodically inspect all moving parts for wear and replace when
necessary with authorized service parts. Look for loose fasteners, worn
or broken parts, and leaky or loose fittings. Make sure all pins have
cotter pins and washers. Serious injury may occur from not maintaining
this machine in good working order. (SG-21)
All Safety Shields, Guards and Safety devices including (but not
limited to) - the Deflectors, Chain Guards, Steel Guards,
Gearbox Shields, PTO integral shields , and Retractable Door
Shields should be used and maintained in good working condition. All safety
devices should be inspected carefully at least daily for missing or broken
components. Missing, broken, or worn items must be replaced at once to reduce
the possibility of injury or death from thrown objects, entanglement, or blade
contact. (SBM-18)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-10
OPERATION
6. CONNECTING THE IMPLEMENT TO TRACTOR
1. Unbolt the upper halves of the yoke and fit them either side of the tractor’s top hitch bracket with the 3/4”
UNF nut and bolt provided. If the tractor has only one top hitch position, the bolt will replace the existing top
hitch pin. If more than one location is available mount the yokes through an alternative position as it will
make it easier to put the machine on and take it off the tractor.
2. Do not tighten the nut at this stage.
3. Attach the machine to the three point linkage and raise to give 200-250 mm (8”-10”) clearance under the
lowest part of the frame.
5. Tighten the nut and bolt securing the upper yoke just enough to eliminate any sideways movement. Do not
overtighten and squeeze the top hitch brackets
6. Tighten the check chains/ stabilizer bars.
7. Release its holding chain and position the control valve to suit the tractor and operator. This is achieved by
a combination of height adjustments in the mounting bar attachment and by bending the mounting bar
itself.
8. Turn the parking leg upside down and pin in position.
Never work under the Implement, the framework, or any lifted
component unless the Implement is securely supported or blocked up
to prevent sudden or inadvertent falling which could cause serious
injury or even death. (SG-14)
Do not let the Blades turn when the Mower Deck is raised for any
reason, including clearance or for turning. Raising the Mower deck
exposes the Cutting Blades which creates a potentially serious hazard
and could cause serious injury or even death from objects thrown from
the Blades. (SRM-07)
7. PRE-OPERATION INSPECTION AND SERVICE
Before each use, a pre-operation inspection and service of the implement and tractor must be performed.
This includes routine maintenance and scheduled lubrication, inspecting that all safety devices are equipped
and functional, and performing needed repairs. DO NOT operate the unit if the pre-operation inspection
reveals any condition affecting safe operation. Perform repairs and replacement of damaged and missing
parts as soon as noticed. By performing a thorough pre-operation inspection and service, valuable down time
and repair cost can be avoided. OPS-U-0029
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-11
OPERATION
4. Rebolt the yoke halves together. It may be necessary to raise or lower the machine on the linkage to
achieve hole alignment. Adjust the top link until the main frame is vertical.
OPERATION
OPERATION
Periodically inspect all moving parts for wear and replace when
necessary with authorized service parts. Look for loose fasteners, worn
or broken parts, and leaky or loose fittings. Make sure all pins have
cotter pins and washers. Serious injury may occur from not maintaining
this machine in good working order. (SG-21)
7.1 Tractor Pre-Operation Inspection/Service
Refer to the tractor operator’s manual to ensure a
complete pre-operation inspection and scheduled
service is performed according to the
manufacturers recommendations. The following
are some of the items that require daily service and
inspection:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Tire condition/air pressure
Wheel lug bolts
Steering linkage
PTO shield
SMV sign is clean and visible
Tractor’s lights are clean and functional
Tractor Seat belt is in good condition
Tractor ROPS is in good condition
ROPS is in the raised position
No tractor oil leaks
Radiator free of debris
Engine oil level and condition
Engine coolant level and condition
Power brake fluid level
Power steering fluid level
Fuel condition and level
Sufficient lubrication at all lube points
Air filter condition OPS-U-0030
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-12
OPERATION
7.2 Boom Unit Pre-Operation Inspection and Service
Inspect and service the boom arm and head prior to operation. Damaged and/or broken parts should be
repaired and/or replaced immediately. To ensure the unit is ready for operation, conduct the following:
OPS-B- 0020
Replace bent or broken blades with new blades. NEVER ATTEMPT TO STRAIGHTEN,
WELD, OR WELD HARDFACING ON BLADES SINCE THIS WILL LIKELY CRACK OR
OTHERWISE DAMAGE THE BLADE WITH SUBSEQUENT FAILURE AND POSSIBLY
CAUSE SERIOUS INJURY FROM THROWN BLADES. (SGM-10)
The operator’s manual and safety signs affixed on
the unit contain important instructions on the safe
and proper use of the equipment. Maintain these
important safety features on the implement in good
condition to ensure the information is available to
the operator at all times.
•
•
Ensure the manual canister is secured to the
equipment with the operator’s manual inside.
Ensure all safety signs are in place and legible.
Replace missing, damaged, and illegible
decals. OPS-U- 0011
NOTE: The mower Operator’s Manual and affixed Decals contain important instructions on the safe and proper
use of the mower. Maintain these important safety features on the mower in good condition to ensure the
information is available to the operator at all times.
KEEP AWAY FROM ROTATING ELEMENTS to prevent entanglement
and possible serious injury or death. (SG-24)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-13
OPERATION
All Safety Shields, Guards and Safety devices including (but not limited
to) - the Deflectors, Steel Guards, Gearbox Shields, PTO integral
shields , and Retractable Door Shields should be used and maintained
in good working condition. All safety devices should be inspected carefully at least daily
for missing or broken components. Missing, broken, or worn items must be replaced at
once to reduce the possibility of injury or death from thrown objects, entanglement, or
blade contact. (SFL-5)
OPERATION
FRAME ASSEMBLY
•
•
•
•
OPERATION
•
Inspect condition of mounting frame weldment.
Inspect condition of King Post frame.
Ensure all bolts and screws are in position and
are properly torqued.
Ensure all pins are in place and fastened with
screws.
Ensure frame is properly mounted to tractor
and hardware is propely installed and
tightened. OPS-B- 0021_F
Relieve hydraulic pressure prior to doing any maintenance or repair work on the Implement.
Place the Mower Head on the ground or securely supported on blocks or stands, disengage
the PTO, and turn off the engine. Push and pull the control Levers or Joystick several times
to relieve pressure prior to starting any maintenance or repair work. (SBM-6)
Never Leave the mower unattended while the head is in the raised
position. The mower could fall causing serious injury to anyone who
might inadvertently be under the mower (SBM-4)
BOOM ARM ASSEMBLY
•
•
•
•
•
Inspect condition of each arm section weldment
Ensure all pins are in place.
Ensure all bolts and screws are properly
installed.
Check condition of bushings at boom pivot
points.
Ensure each hydraulic cylinder is installed and
retained correctly. Ensure the proper size pins
are used to retain the cylinders in place and are
secured properly. OPS-B- 0022_H
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-14
OPERATION
SICKLE BAR INSPECTION
•
•
•
Never attempt to lubricate, adjust, or remove material from the Implement while it is in
motion or while tractor engine is running. (SG-20)
HYDRAULIC LINE INSPECTION
•
•
•
Check for hydraulic leaks along hoses,
cylinders and fittings. IMPORTANT: DO NOT
use your hands to check for oil leaks. Use a
piece of heavy paper or cardboard to check for
hydraulic oil leaks.
Inspect the condition of the valve.
Ensure fittings are properly connected.
OPS-B- 0023_G
Attention: Oil Filler Cap is also the Pressure Relief Cap.
Remove cap slowly to relieve pressure before removing cap completely. Stay clear to
prevent being scalded with hot oil that may spray out of the tank that is still pressurized and
may cause serious injury to eyes, face, and exposed skin. (Ops-0001-MISC)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-15
OPERATION
•
Inspect blade and bolts for looseness and
excessive wear.
Make sure the unit is
securely
blocked
up
when
crawling
underneath or set on ground before doing
maintenance. Replace damaged and worn
blade to keep unit operating properly.
Ensure hydraulic cylinder is installed and
retained correctly. Ensure the proper size
pins are used to retain the cylinder in place
and are secured with pins.
Ensure hydraulic lines are properly connected
to the hydraulic valve and cylinder. Check for
hydraulic leaks along hoses and fittings. DO
NOT use your hands to check for oil leaks.
Use a piece of heavy paper or cardboard to
check for hydraulic oil leaks.
Inspect the condition of the skid shoe and
hardware. OPS-B-0060
OPERATION
Avoid contact with hot surfaces including hydraulic oil tanks, pumps, motors, valves and
hose connections. Relieve hydraulic pressure before performing maintenance or repairs.
Use gloves and eye protection when servicing hot components. Contact with a hot surface
or fluid can cause serious injury from burns or scalding. (SG-34)
OPERATION
Do not operate this Equipment with hydraulic oil or fuel leaking. Oil
and fuel are explosive and their presence could present a hazard. Do
not check for leaks with your hand! High-pressure oil streams from
breaks in the line could penetrate the skin and cause tissue damage
including gangrene. To check for a hose leak, SHUT the unit ENGINE
OFF and remove all hydraulic pressure. Wear oil impenetrable gloves,
safety glasses and use Cardboard to check for evidence of oil leaks. If
you suspect a leak, REMOVE the HOSE and have it tested at a Dealer.
If oil does penetrate the skin, have the injury treated immediately by a
physician knowledgeable and skilled in this procedure. (SG-15)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-16
OPERATION
Sickle Bar PRE-OPERATION Inspection
Mower ID#_______________________Make____________________________
Date:____________________________Shift ____________________________
Condition at
Start of Shift
Item
Specific Comments if
not O.K.
SICKLE BAR MOWER
The Operator’s Manual is in the Canister on the mower
All Safety Decals are in place and legible
The Mounting frame bolts are in place and tight
The Sickle bar connection bolts & pins are tight
There are no cracks in bar or frame
The Hydraulic Cylinders pins are tight
The Hydraulic Valve hose connections are tight
There are no leaking or damaged hoses
The Hydraulic Oil level is full
There is no evidence of Hydraulic leaks
The knives are not broken, chipped, cracked or bent
The clips, ledger plate & knives are properly adjusted
The Rock guards are in place and tight
The Hydraulic motor mounting bolts are tight
The Knife drive gearbox has been lubricated
The Knife wear plates have been lubricated
The Skid shoes are in good condition & tight
Operator’s Signature:________________________________________________________
DO NOT OPERATE an UNSAFE TRACTOR or MOWER
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-17
OPERATION
Before conducting the inspection, make sure the tractor engine is off, all
rotation has stopped and the tractor is in park with the parking brake
engaged. Make sure the mower is resting on the ground or securely blocked
up and all hydraulic pressure has been relieved.
OPERATION
Tractor PRE-OPERATION Inspection
Tractor ID#:________________________Make:________________________
OPERATION
Date:______________________________Shift:________________________
Before conducting the inspection, make sure the tractor engine is off, all
rotation has stopped and the tractor is in park with the parking brake
engaged. Make sure the implement is resting on the ground or securely
blocked up and all hydraulic pressure has been relieved.
Condition at
Start of Shift
Item
Specific Comments if
not O.K.
The flashing lights function properly
The SMV Sign is clean and visible
The tires are in good condition with proper pressure
The wheel lug bolts are tight
The tractor brakes are in good condition
The steering linkage is in good condition
There are no visible oil leaks
The hydraulic controls function properly
The ROPS or ROBS Cab is in good condition
The seatbelt is in place and in good condition
The 3-point hitch is in good condition
The drawbar pins are securely in place
The PTO master shield is in place
The engine oil level is full
The brake fluid level is full
The power steering fluid level is full
The fuel level is adequate
The engine coolant fluid level is full
The radiator is free of debris
The air filter is in good condition
Operator’s Signature:___________________________________________________
DO NOT OPERATE an UNSAFE TRACTOR or IMPLEMENT
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-18
OPERATION
8. OPERATING THE IMPLEMENT
8.1 Machine Controls
OPERATION
Four levers individually control the operating functions; the knobs of which are color-coded according to use
i.e. Red, Yellow, Green and Black which control the reach, lift, angle and cutterbar on/off respectively. Moving
the lever away from the operator will result in the following responses - Reach out, Lift down, Angle up and
Cutterbar start.
Before commencing work, find an unobstructed level site and operate the machine through its entire range of
movements to familiarize yourself with the controls and the machines response to them. This is a wise
precaution for all operators and a must for the inexperienced.
The PT5’s swingover feature allows it to be operated on both sides of the tractor without any rebuilding or
operator adjustments. However, to achieve the best cutting action, the cutterbar mounting is designed to pitch
the knife downwards at eight degrees. This is maintained throughout the operating range except when the
cutterbar is pointing upwards during operations with its back to the hedge and therefore some deterioration in
the quality of cut can be expected. If it is necessary to carry out a considerable amount of work in these
positions, the topping performance can be improved by shortening the top link. This will tilt the machine
forward thus altering the approach angle of the cutterbar.
The geometry also results in considerably less reach being available for ground cutting on the left hand side.
In addition, be aware that the geometry, depending on the length of draft links and the size of the tractor’s
wheels may allow the cutterbar to contact the tractor tires; therefore extra care should be taken when
positioning the cutterbar for close in ground cuts. Also check carefully that there is clearance between the arms
and tractor’s roll bar/cab before executing the “swing over” maneuver.
The operation of the arms takes priority on the oil flow and will cause the knife to slow down during arm
movements. If cutting material which is towards the limit of the PT5’s capabilities, avoid making arm
adjustments while cutting is taking place as there is a likelihood that the knife will stall.
The PT5 is a light hedge trimming tool.
Attempting to cut unsuitable material will cause the knife to stall resulting in the tractor’s relief valve blowing
and overheated oil.
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-19
OPERATION
OPERATION
8.2 Arm Controls
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-20
OPERATION
8.3 Forward Speed
This is a matter of common sense and experience. It must be fast enough to maintain the correct oil flow, but
slow enough to enable the cutterbar to do its job properly.
8.4 Highway Working
8.5 Unclogging Cutterbar, Checks or Adjustments
Before leaving the tractor seat, select “Cutterbar -Off” and switch off tractor engine. Should the cutterbar
become clogged, NEVER, NEVER, NEVER clear any debris from the fingers or knife with your hands. Use a
stick from the hedge or other suitable tools.
Always keep fingers away from the knife as the crankshaft fly wheel, can move under
gravity and activate the knife even though the tractor engine is switched off.
8.6 Breakaway
The frame of the machine is carried by two pivotally mounted suspended links, of which, the one farthest away
from the work is always automatically fixed in position by the interlock bar. When encountering an obstruction
and the tractor continues to move forward, the free suspended link will pivot about its mounting bar and allow
the complete armhead and frame to move up and back until the obstruction is cleared or the tractor brought to
a halt. Bear in mind that the breakaway geometry gives limited movement and does not remove operator
responsibility for taking care when driving the tractor. Resetting of the breakaway is completely automatic with
the armhead returning to the work position under gravity.
Where both sides of a roadside hedge are to cut, always cut the field side first. The uncut roadside helps to
reduce the amount of debris being flung through the hedge into the road. Also by sloping the vertical cut to give
an “A” shape, debris is thrown down into the hedge bottom and the spread of material is reduced.
8.7 Swingover
Always make sure there are no overhead obstructions and keep in mind that the arms when fully extended are
about 14 feet high.
To “swing over” the reach ram must be fully in and the cutterbar angled towards the side to which you want to
swing. This will transfer some of the weight of the machine to the correct side of the pivot and assist the ram in
the swingover actions as it approaches top dead center and begins to run out of leverage.
Always if possible, carry out the “swingover” action on level ground. If swinging over on sloping ground is
absolutely unavoidable always carry out the maneuver with the tractor facing directly up the slope.
Never swingover when facing either across or down a slope.
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-21
OPERATION
If it is intended to cut roadside hedged or to work in the vicinity where the public have access, it is a statutory
requirement that suitable warning signs are placed at both ends of the work area. These signs should not be
more than 1/2 mile (0.8 km) apart. To further promote highway safety, the use of head lamps would be
beneficial. Hazard warning lamps should not be used since an oncoming vehicle could easily misjudge braking
distance in assuming the tractor approaching them is stationary.
OPERATION
9. DRIVING THE TRACTOR AND IMPLEMENT
OPERATION
Safe tractor transport requires the operator to possess a thorough knowledge of the model being operated
and precautions to take while driving with an attached implement. Ensure the tractor has the capacity to
handle the weight of the boom and the tractor operating controls are set for safe transport. To ensure safety
while driving the tractor with a boom, review the following.
Read all safety instructions. Decals on the Boom warn you of particular and multiple hazards. Some decals
are attached close to part of the Boom where there is a possible hazard. Read and make sure you
understand the safety messages before you operate the implement. Keep all decals clean and readable.
Replace lost or damaged decals, refer to safety section for more information.
Power for operating the mower is supplied from the tractor PTO. Refer to your tractor manual instructions for
engaging and disengaging the PTO. Start the tractor and bring the engine speed up to normal operating 540
PTO speed. Always engage the PTO at low engine RPM and run the mower for a short period until all air is
removed from the hoses. Keep all person's well clear of mower since blades can throw objects with great
velocity for a considerable distance! KEEP CLEAR! OPS-B- 0005
Never operate the Tractor or Implement until you have read and
completely understand this Manual, the Tractor Operator’s Manual, and
each of the Safety Messages found in the Manual or on the Tractor and
Implement. Learn how to stop the tractor engine suddenly in an
emergency. Never allow inexperienced or untrained personnel to
operate the Tractor or Implement without supervision. Make sure the
operator has fully read and understood the manuals prior to operation.
(SG-4)
Always maintain the safety signs in good readable condition. If the safety signs are missing,
damaged, or unreadable, obtain and install replacement safety signs immediately. (SG-5)
This Implement may be wider than the Tractor. Be careful when operating or transporting
this equipment to prevent the Implement from running into or striking sign posts, guard rails,
concrete abutments or other solid objects. Such an impact could cause the Implement and
Tractor to pivot violently resulting in loss of steering control, serious injury, or even death.
Never allow the Implement to contact obstacles. (S3PT-12)
BEFORE leaving the tractor seat, always set the parking brake and/or set
the tractor transmission in parking gear, disengage the PTO, stop the
engine, remove the key, and wait for all moving parts to stop. Place the
tractor shift lever into a low range or parking gear to prevent the tractor
from rolling. Never dismount a Tractor that is moving or while the engine
is running. Operate the Tractor controls from the tractor seat only. (SG-9)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-22
OPERATION
Transport only at speeds where you can maintain control of the
equipment. Serious accidents and injuries can result from operating this
equipment at high speeds. Understand the Tractor and Implement and
how it handles before transporting on streets and highways. Make sure the Tractor steering
and brakes are in good condition and operate properly.
Before transporting the Tractor and Implement, determine the proper transport speeds for
you and the equipment. Make sure you abide by the following rules:
Test the equipment at a slow speed in turns. Increase the speed through the turn only after
you determine that the equipment can be operated at a higher speed. Use extreme care
and reduce your speed when turning sharply to prevent the tractor and implement from
turning over. Determine the maximum turning speed for you and this equipment before
operating on roads or uneven ground.
Only transport the Tractor and Implement at the speeds which allow you to properly control
the equipment.
Be aware of the operating conditions. Do not operate the Tractor with weak or faulty brakes
or worn tires. When operating down a hill or on wet or rain slick roads, the braking distance
increases: use extreme care and reduce your speed. When operating in traffic always use
the Tractor’s flashing warning lights and reduce your speed. Be aware of traffic around you
and watch out for the other guy. (SG-19)
9.1 Starting the Tractor
The procedure to start the tractor is model specific.
Refer to the tractor operator’s manual for starting
procedures for your particular tractor. Consult an
authorized dealer if the starting procedure is
unclear. Ensure the 3-point control lever is in the
lowered position and the PTO is disengaged before
starting the tractor. OPS-U-0033
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-23
OPERATION
Test the tractor at a slow speed and increase the speed slowly. Apply the Brakes smoothly
to determine the stopping characteristics of the Tractor and Implement. As you increase
the speed of the Tractor the stopping distance increases. Determine the maximum
transport speed not to exceed 20 mph (30 kph) for transporting this equipment.
OPERATION
9.2 Brake and Differential Lock Setting
OPERATION
Make sure the tractor brakes are in good operating
condition. Tractor brakes can be set to operate
independently allowing single rear wheel braking
action or locked together to provide simultaneous
rear wheel braking. FOR MOST DRIVING AND
OPERATING CONDITIONS, THE BRAKE PEDALS
SHOULD BE LOCKED TOGETHER TO PROVIDE
THE MOST EFFECTIVE BRAKING ACTION.
Always disengage the tractor differential lock when
turning. When engaged the differential lock will
prevent or limit the tractor from turning. During
normal cutting conditions, locking the differential
provides no benefit and should not be used. OPSU- 0013
Be aware of the operating conditions. Do not operate the Tractor with weak or faulty brakes.
When operating down a hill or on wet or rain slick roads, the braking distance increases; use
extreme care and reduce your speed in these conditions. When operating in traffic, always
use the Tractor’s flashing warning lights and reduce your speed. Be aware of traffic around
you and watch out for the other guy.
Use extreme care when lowering or unfolding the implement’s wings. Make sure no
bystanders are close by or underneath the wings. Allow ample clearance around the
implement when folding or unfolding the wings. Use extreme caution around buildings or
overhead power lines. (S3PT-05)
Do not put hands or feet under mower decks. Blade Contact can result
in serious injury or even death. Stay away until all motion has stopped
and the decks are securely blocked up. (SFL-2)
Make certain that the Boom swing path is clear of bystanders, powerlines, and obstructions
to prevent injury, electrocution, and possible machine damage. Swing Boom SLOWLY
AND CAREFULLY. Avoid sudden starting and stopping. (Ops-0002-MISC)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-24
OPERATION
9.3 Driving the Tractor and Boom
Start off driving at a slow speed and gradually increase your speed while maintaining complete control of the
tractor. Never operate the tractor at speeds that cannot be safely handled or which will prevent the operator
from stopping quickly during an emergency. If the power steering or engine ceases operating, stop the tractor
immediately as the tractor will be difficult to control.
To avoid overturns, drive the tractor with care and
at safe speeds, especially when operating over
rough ground, crossing ditches or slopes, and
turning corners. Use extreme caution when
operating on steep slopes. Keep the tractor in a low
gear when going downhill. DO NOT coast or freewheel downhill. OPS-B-0006_E
Never Leave the mower unattended while the head is in the raised
position. The mower could fall causing serious injury to anyone who
might inadvertently be under the mower (SBM-4)
Always keep a careful lookout and use extreme care when working
around overhead obstructions. Never allow the Mower head or boom
within 10 feet of any power line. When working close to overhead
power lines consult your electric company for a safe code of operation.
(SBM-7)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-25
OPERATION
Perform turns with the tractor and mower at slow
speeds to determine how the tractor with and
attached implement handles a turn. Determine the
safe speed to maintain proper control of the tractor
when making turns. When turning with the
implement the overall working length and width of
the unit is increased. Allow additional clearance for
the unit when turning or when passing large
obstructions.
OPERATION
10. OPERATING THE TRACTOR AND IMPLEMENT
OPERATION
THE OPERATOR MUST COMPLETELY UNDERSTAND HOW TO OPERATE THE TRACTOR AND
IMPLEMENT AND ALL CONTROLS BEFORE ATTEMPTING TO OPERATE. The operator must read and
understand the Safety and Operation Sections of the implement and tractor operator’s manuals. These
manuals must be read and explained to any operator who cannot read. Never allow someone to operate the
implement and tractor without complete operating instructions.
Before starting any operation, the operator must become familiar with the area to be worked in and any
obstacles and hazards contained within to ensure safety to the operator, bystanders, and equipment. Special
attention should be paid to foreign debris, rough terrain, steep slopes, and passersby and animals in the area.
OPS-U- 0015
Do not mow with two machines in the same area except with Cab tractors with the windows
closed. (SGM-11)
Mow only in conditions where you have clear visibility in daylight or with adequate artificial
lighting. Never mow in darkness or foggy conditions where you cannot clearly see at least
300 feet (90 m) in front and to the sides of the tractor and mower. Make sure that you can
clearly see and identify passersby, steep slopes, ditches, drop-offs, overhead obstructions,
power lines, debris and foreign objects. If you are unable to clearly see these type of items
discontinue mowing. (SGM-1)
Avoid mowing in reverse direction when possible. Check to make sure there are no
persons behind the mower and use extreme care when mowing in reverse. Mow only at a
slow ground speed where you can safely operate and control the tractor and mower.
Never mow an area that you have not inspected and removed debris or foreign material.
(SGM-08)
Never operate the mower head tilted down where the operator can see the blades of the
mower. The blade could throw an object toward the operator causing serious injury or
death. Never operate the mower without an Operator Protective Structure. Always wear
safety glasses and a hard hat. (Ops-0005-MISC)
Many varied objects, such as wire, cable, rope, or chains, can become entangled in the
operating parts of the mower head. These items could then swing outside the housing at
greater velocities than the blades. Such a situation is extremely hazardous and could result
in serious injury or even death. Inspect the cutting area for such objects before mowing.
Remove any like object from the site. Never allow the cutting blades to contact such items.
(SGM-06)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-26
OPERATION
10.1 Foreign Debris Hazards/Overhead Obstructions
An area to be cut must first be inspected for objects that could be thrown or that could damage the machine.
Walk through the area looking for fences, boulders, rocks, culverts, stumps or metal objects. Mark the
inspected area with flags. If the area is dense and cannot be walked thoroughly it may be necessary to inspect
a smaller area as well as possible, then trim away the part that has been inspected and can safely be
removed. Walk each new area again and repeat the inspection before cutting more away. Repeat as often as
necessary until the area is cleared. It can be damaging and/or dangerous to work the cutter in an area that has
not been visually inspected.
Do not put hands or feet under mower decks. Blade Contact can result
in serious injury or even death. Stay away until all motion has stopped
and the decks are securely blocked up. (SGM-09)
10.2 Operating Speed and Ground Speed
Ground speed for mowing will depend upon the height, type, and density of vegetation to be cut. Do Not
exceed 2 MPH while operating. Operate the mower at its full rated PTO speed to maintain blade speed for a
clean cut. Refer to the tractor operator’s manual or the tractor instrument panel for the engine speed and gear
to provide the required operating and desired ground speed. Make sure that the mower is operating at its full
rated speed before entering the vegetation to be cut. Always start and stop cutting blades with engine near
idle.
Ground speed is achieved by transmission gear selection and not by the engine operating speed. The
operator may be required to experiment with several gear range combinations to determine the best gear and
range which provides the most ideal performance from the implement and most efficient tractor operation. As
the severity of cutting conditions increase, the ground speed should be decreased by selecting a lower gear to
maintain the proper operating PTO speed. OPS-B- 0009
Do not exceed the rated PTO speed for the Implement. Excessive PTO speeds can cause
Implement driveline or blade failures resulting in serious injury or death. (SG-26)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-27
OPERATION
Place DANGER signs at least 300 feet beyond the perimeter of the area to be worked, not just 300 feet from
where the machine started operating! It is convenient in many cases to work in 300 foot sections. Move the
first Danger sign to the beginning of the freshly cleared area, place it, then take the first cutting area flag up to
the end of the freshly cleared area 300 feet away. Walk and inspect the next 300 feet and place the second
cutting area flag. Pick up the second DANGER sign, and take it a further 300 feet along the road or trail. Note
that in many cases the DANGER area will extend in front of and behind the machine as well as along each
side. Post signs accordingly. OPS-B- 0008
OPERATION
Mow at the speed that you can safely operate and control the tractor and mower. The
correct mowing speed depends on terrain condition and grass type, density, and height of
cut. Normal ground speed range is from 2 to 5 mph(3-8 kph). Use slow mowing speeds
when operating on or near steep slopes, ditches, drop-offs, overhead obstructions, power
lines, or when debris and foreign objects are to be avoided. (SGM-07)
OPERATION
10.3 Operating the Attached Head
•
•
•
Objects tend to be thrown out from under
the head in the direction of blade rotation
and toward the raised edge of the shroud.
Avoid cutting with the head tilted at an angle
that objects would be thrown towards the
tractor operator position.
When clearing brush and small trees,
operate tractor at 1 mph ground speed and
position cutter head at an angle that will cut
2’ to 3’ into the growth. Make the first pass
just above ground level. This will remove the
low branches and allow operator a better
view of the material to plan for the next
pass. After repeated passes, each elevated
approximately 4’ above the last, the main
trunks of the trees will be exposed and they
can be cut as desired. This avoids clogging
the head with cut and mulched material.
When operating near the ground or when
mulching be particularly careful that there
are no bystanders or animals with a 100
yards. Debris tends to fly out at great speed
and can injure or even cause death.
Do not mow with two machines in the same area except with Cab tractors with the windows
closed. (SGM-11)
Mow only in conditions where you have clear visibility in daylight or with adequate artificial
lighting. Never mow in darkness or foggy conditions where you cannot clearly see at least
300 feet (90 m) in front and to the sides of the tractor and mower. Make sure that you can
clearly see and identify passersby, steep slopes, ditches, drop-offs, overhead obstructions,
power lines, debris and foreign objects. If you are unable to clearly see these type of items
discontinue mowing. (SGM-1)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-28
OPERATION
Avoid mowing in reverse direction when possible. Check to make sure there are no
persons behind the mower and use extreme care when mowing in reverse. Mow only at a
slow ground speed where you can safely operate and control the tractor and mower.
Never mow an area that you have not inspected and removed debris or foreign material.
(SGM-08)
10.4 Shutting Down the Implement
Park the tractor on a level surface, place the transmission in park or neutral and apply the parking brake. Shut
down the engine, remove the key, and wait for all motion to come to a complete stop before exiting the tractor.
BEFORE leaving the tractor seat, always set the parking brake and/or set
the tractor transmission in parking gear, disengage the PTO, stop the
engine, remove the key, and wait for all moving parts to stop. Place the
tractor shift lever into a low range or parking gear to prevent the tractor
from rolling. Never dismount a Tractor that is moving or while the engine
is running. Operate the Tractor controls from the tractor seat only. (SG-9)
11. TRACTOR, BOOM, AND ATTACHED HEAD STORAGE
Properly preparing and storing the unit at the end of the season is critical to maintaining its appearance and to
help ensure years of dependable service. The following are suggested storage procedures:
•
•
•
•
•
•
Thoroughly clean all debris from boom and
head to prevent damage from rotting grass and
standing water.
Lubricate all grease points and fill oil levels
according to the maintenance lubrication
schedule.
Tighten all bolts to the proper torque. Ensure
all pins and other hardware are in place.
Check the boom arm and head for worn and
damaged parts. Perform repairs and make
replacements so that the mower will be ready
for use at the start of the next season.
Store the unit in a clean and dry location.
Use spray touch-up enamel where necessary
on bare metal surfaces to prevent rust and to
maintain the appearance of the mower.
OPS-B- 0012_E
Never allow children to play on or around Tractor or Implement. Children can slip or fall off
the Equipment and be injured or killed. Children can cause the Implement to shift or fall
crushing themselves or others. (SG-25)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-29
OPERATION
To shut down attached boom head, first bring the tractor to a complete stop. Keep the engine speed at normal
operating speed of 540 RPM, and use the valve lever to turn the motor off.
OPERATION
OPERATION
BEFORE leaving the tractor seat, always set the parking brake and/or set
the tractor transmission in parking gear, disengage the PTO, stop the
engine, remove the key, and wait for all moving parts to stop. Place the
tractor shift lever into a low range or parking gear to prevent the tractor
from rolling. Never dismount a Tractor that is moving or while the engine
is running. Operate the Tractor controls from the tractor seat only. (SG-9)
Always shut the Tractor completely down, place the transmission in park, and set the
parking brake before you or anyone else attempts to connect or disconnect the Implement
and Tractor hitches. (S3PT-15)
12. DISCONNECTING THE IMPLEMENT
1.
2.
3.
4.
5.
6.
7.
8.
Select a firm level site.
Replace the stand leg to the park position with foot down.
Position the arms so that the motor is level with the bottom of the frame.
Disconnect the supply and return hoses and also the motor drain line from the tractor.
Raise tractor linkage to take the weight off the yoke. Where a common top link and yoke position is used,
the yoke must be unbolted in the middle. If different top link location are used, the yoke must be unbolted
at the top.
Lower the machine to the ground and disconnect the three point linkage. Remove top halves of the yoke if
still attached to tractor.
Use chain to tie the hydraulic control valve back to the main arm. This will make it easier for subsequent
coupling up.
Blank off hose ends or loop the hoses and join with coupling.
Never allow children to play on or around Tractor or Implement. Children can slip or fall off
the Equipment and be injured or killed. Children can cause the Implement to shift or fall
crushing themselves or others. (SG-25)
13. TRANSPORTING THE TRACTOR AND IMPLEMENT
Inherent hazards of operating the tractor and implement and the possibility of accidents are not left behind
when you finish working in an area. Therefore, the operator must employ good judgement and safe operation
practices when transporting the tractor and implement between locations. By using good judgement and
following safe transport procedures, the possibility of accidents while moving between locations can be
substantially minimized. OPS-U- 0017
Never allow children or other persons to ride on the Tractor or Implement.
Falling off can result in serious injury or death. (SG-10)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-30
OPERATION
Before transporting the tractor between locations, idle the tractor engine, disengage the attached head, and
wait for all head motion to come to a complete stop.
Place the cutterbar guard over the knife. Remember keep fingers away from the knife so it can move, even
with the tractor engine switched off.
Place the machine in the transport position by carrying out the following procedure:
Position the main arm on the left hand side of the machine. Fully retract the angle arm. Fully extend the reach
arm and operate lift-up until the main arm abuts against the transport stop.
Use extreme caution and avoid hard applications of
the tractor brakes when towing heavy loads at road
speeds. Never tow the implement at speeds
greater than 20 MPH (25 kph). OPS-U- 0018
13.1 Transporting on Public Roadways
Extreme caution should be used when transporting the tractor and implement on public roadways. The tractor
must be equipped with all required safety warning features including a SMV emblem and flashing warning
lights to alert drivers of the tractor’s presence. Remember that roadways are primarily designed for
automotive drivers and most drivers will not be looking out for you, therefore, you must look out for them.
Check your side view mirrors frequently and remember that vehicles will approach quickly because of the
tractor’s slower speed. Be extremely cautious when the piece of equipment that you are towing is wider than
the tractor tire width and/or extends beyond your lane of the road.
Make sure that a proper size safety tow chain is secured between the tractor and implement before entering a
public road. OPS-U- 0019
NOTE: Ensure that the mower sections are fully raised and that the transport locks are engaged for each
section.
Only tow the Implement behind a properly sized and equipped Tractor
which exceeds the weight of the Implement by at least 20%. DO NOT
tow the Implement behind a truck or other type of vehicle. Never tow the
Implement and another Implement connected in tandem. Never tow the
Implement at speeds over 20 MPH. (STI-06)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-31
OPERATION
Before transporting the tractor on a public roadway
or boarding a trailer for transport, the tractor brake
pedals should be locked together. Locking the
pedals ensures that both wheels brake
simultaneously while stopping, especially when
making an emergency stop.
OPERATION
Never allow children or other persons to ride on the Tractor or Implement.
Falling off can result in serious injury or death. (SG-10)
OPERATION
Make certain that the “Slow Moving Vehicle” (SMV) sign is installed in
such a way as to be clearly visible and legible. When transporting the
Equipment use the Tractor flashing warning lights and follow all local
traffic regulations. (SG-6)
The SMV (Slow-Moving Vehicle) emblem is
universal symbol used to alert drivers of the
presence of equipment traveling on roadways at a
slow speed. SMV signs are a triangular bright
orange with reflective red trim for both easy day
and night visibility. Make sure the SMV sign is
clean and visible from the rear of the unit before
transporting the tractor and implement on a public
roadway. Replace the SMV emblem if faded,
damaged, or no longer reflective. OPS-U- 0020
Make sure that all tractor flashing warning lights,
headlights, and brake/tail lights are functioning
properly before proceeding onto public roads. While
newer model tractors have plenty of lighting to
provide warning signals and operating lighting, most
older models are only equipped with operating lights.
Consult an authorized tractor dealer for lighting kits
and modifications available to upgrade the lighting on
older tractor models. OPS-U- 0021
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-32
OPERATION
When operating on public roads, have
consideration for other road users. Pull to the side
of the road occasionally to allow all following traffic
to pass. Do not exceed the legal speed limit set in
your country for agricultural tractors. Always stay
alert when transporting the tractor and implement
on public roads. Use caution and reduce speed if
other vehicles or pedestrians are in the area. OPSU- 0022
When transporting Boom Mower on a truck or trailer, the height or width
may exceed legal limits when the boom is in the transport position.
Contact with side or overhead structures or power lines can cause
property damage or serious injury or death. If necessary lower boom to
reduce height and/or remove mowing head to reduce width to the legal
limits. (SBM-8)
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-33
OPERATION
Reduce speed before turning or applying the brakes.
Ensure that both brake pedals are locked together
when operating on public roads. OPS-U- 0023
OPERATION
13.2 Hauling the Tractor and Implement
OPERATION
Before transporting a loaded tractor and implement,
measure the height and width dimensions and gross
weight of the complete loaded unit. Ensure that the
load will be in compliance with the legal limits set for
the areas that will be traveled through. OPS-U- 0024
Use adequately sized and rated trailers and
equipment to transport the tractor and implement.
Consult an authorized dealer to determine the proper
equipment required. Using adequately sized chains,
heavy duty straps, cables and/or binders, securely tie
down both the front and rear of the tractor utilizing the
proper tie down locations as specified by the tractor
manufacturer. OPS-U- 0025
Arrange the chains so that when tightened, the
chains are pulling downward and against
themselves. Carefully tighten the securing chains or
other fasteners using boomers or binders to apply
maximum tension. Use extrem e care when
attaching and removing the securing devices as the
extreme tension involved when released has the
potential to inflict serious injury.
While hauling the tractor and implement, make
occasional stops to check that the tractor and
implement have not moved or shifted and that the
securing chains have maintained tension. If during
transport a hard braking, sharp turning, or swerving
action was performed, stop at the next safe location
to inspect the security of the load. OPS-U- 0026
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-34
OPERATION
14. TROUBLESHOOTING GUIDE
HYDRAULIC CYLINDER NOT WORKING -Check level of hydraulic fluid (see sight gauge on tank). Check to
see if pump is functioning properly by attempting to use another cylinder or pressure gauge. If pump is working
properly, check the pressure on the line. The relief valve may be bypassing fluid at too low pressures. If
cylinder is still not functioning properly, check line for stoppage. The pistons in hydraulic cylinders are virtually
trouble-free, but occasionally one will have a scored wall and allow oil to flow around the piston. In this case,
replace the cylinder.
NOTE: Refer to repair parts section on valve bank settings on individual relief cartridges.
HYDRAULIC VALVE - Failures in the hydraulic system are almost always caused by other elements in the
system other than the valve; so the entire system should be checked before the valve is changed. A
malfunction in any hydraulic valve section will require replacement of that section (but not the replacement of
the valve bank) since the insides are honed to fit individually. Attachments such as the relief valves and detent
may be serviced individually.
STRUCTURAL MEMBERS - Failure in structural members generally results from rough treatment. While they
are constructed to withstand abuse, they cannot be made strong enough to withstand abnormal abuse. The
factory does not warrant these parts to any extent other than in normal use in grass, weeds, brush, small
bushes, and small trees which the unit is designed to cut.
PT5 09/10
© 2010 Alamo Group Inc.
Operation Section 4-35
OPERATION
HYDRAULIC MOTOR NOT WORKING - Check lines for kinks or pinched place. If the motor is “bogging down”
under load, recheck the valve setting on the cutter valve- 2500 PSI.
MAINTENANCE SECTION
Maintenance Section 5-1
MAINTENANCE
MAINTENANCE
LUBRICATION
Refer to the lubrication diagram and grease daily all points indicated. Remember, regular lubrication ensures
longer machine life and diminishes service costs.
In addition, occasionally oil the con-rod pivots and bushes.
FASTENERS
Check daily that all bolts and nuts are tight, pins are secure and hydraulic connections are not leaking.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-2
MAINTENANCE
CUTTERBAR
Adjusting the Knife Guides
Before commencing any checks or adjustments, lay the cutterbar flat on the ground. Select “CUTTERBAR
OFF”, switch off the tractor and disconnect the con rod.
MAINTENANCE
When adjusted correctly the knife sections (4) lie flush between the fingers and the underside of the knife
holder (1) with the fingers projecting 6 MM to 8 MM in front of the knife tips. In addition there must be a
maximum clearance of 1MM between the sloping faces of the knife holder (1) and the guide plate (2). This
allows clearance for the knife to move freely and can be checked by placing a 5/8” dia bar into the con rod
socket in the knife heel and operating by hand.
The guide plate (2) and rubbing plate (3) are mounted through slotted holes which allows the correct lateral
positioning of the knife in relation to the fingers.
Any play caused by wear between the knife holder (1) and the knife sections (4) is removed by turning the
setscrew (5). The knife guide should be adjusted until the matting faces are flush. No downward pressure
should be exerted onto the knife as this may impede its free movement.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-3
MAINTENANCE
Sharpening the Knife
After five to twenty operating hours, depending on the work involved the knives require re-sharpening.
It is recommended that knives are removed from the cutterbar for re-sharpening.
Switch off tractor, disconnect the con rod, remove the three setscrews securing the knife heel to the knife and
withdraw the knife from the cutterbar.
MAINTENANCE
Clean the knife and ensure that neither the back nor the knife sections are bent. Straighten as necessary.
A cutting angle of 35-40 degrees is required.
A high speed hand grinder should be used with ideally, a pot shaped pencil grinder of approximately 25 MM
(1”) dia by 35 MM (13/8) long. Grinding is carried out with the end face of the grinder moving from the base of
the knife section to the points.
It is possible to re-sharpen the knives in place. Position the cutterbar on or parallel to the ground. Switch off the
tractor engine and disconnect the con-rod. Manually position the knives so that they cover the fingers and
clamp together in this position.
Sharpening with files is not recommended as the process tends to leave small burrs on the edge which when
the knife is replaced, will curl under impeding the free movement of the knife and leave a blunt cutting edge.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-4
MAINTENANCE
HYDRAULIC RAMS
Ram Seal Replacement- General Information
To Change Seals on Angle, Reach and 40 MM Dia Lift Ram
1. Unscrew the gland and withdraw to complete rod assembly. Remove piston locking nut, slide the piston
and gland housing off the rod.
2. Lubricate all new seals prior to assembly.
3. Replace the gland seals ensuring they are positioned in the same location from which they were removed.
Carefully place the gland housing complete with seals back on the rod.
4. Separate the piston halves and discard rod seals. Rebuild the piston onto the rod fitting a new piston rod
“O” ring.
5. The piston seals can be replaced in conjunction with the above operation or alternatively, gently prised into
position after the piston and locking nut are reassembled.
6. Refit the piston locking nut using “Permabond A113” or a similar medium strength thread locking
compound.
7. Reassemble the completer rod into the ram cylinder. Screw in gland housing and tighten.
To Change Seals on 50 MM Dia Lift Ram
1. Unscrew the gland and withdraw the complete rod assembly. Slacken piston grub screw, unscrew the
piston and slide off the gland housing.
2. Gland Seals - Replace as necessary. Ensure seals are replaced in the position from which they were
removed.
3. Piston Seal - Remove split members of the piston and seal and then, using a soft lever which will not
scratch the piston lift the remaining seal components from the piston. Replace with the new seals in
reverse order.
4. Refit gland housing on the rod. Be careful when easing the wiper seal over the piston rod shoulder.
5. The piston is locked onto the rod with a medium strength thread locking fluid such as “Permabond A113”,
“Loctite Nutloc 242”, “Dunlop Nutloc SAS110”, “Tru lock Nutgrade 375” or “Hermetite Torqueseal M”.
6. The threads must be cleaned with a suitable solvent to remove oil thoroughly dried before applying a
complete film of the locking fluid to the rod threads. The piston should be screwed on, tightened firmly and
left for 30 minutes before filling with oil and 1 hour before pressurizing.
Filtration Maintenance
The machine is protected by a low pressure 10 micron full flow return line filter.
Return Line Filter - The element should be changed after the first 50 hours and thereafter at 400 hour
intervals or every 12 months. It is important to note hours worked as if the filter becomes blocked, an internal
bypass within the canister will operate and no symptoms of filter malfunction will occur to jog your memory.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-5
MAINTENANCE
1. Whenever possible the ram should be removed from the machine and cleaned off before dismantling on a
clean work bench.
2. When using a bench vice, do not apply excessive pressure to the ram cylinder-use soft metal jaws
grasping the ram rod.
3. Remove scores and nicks on the ram rod by using a fine oil stone. Do not use a file or emery cloth.
MAINTENANCE
MAINTENANCE
Cylinder Rod Maintenance
It is important to visually inspect the hydraulic cylinder rods daily before use. It is highly recommended that
while the machine is stored or getting very little use that a protectant is applied to the hydraulic cylinder rods to
prevent degradation. If the machine receives more frequent use, be sure to fully cycle each cylinder function so
that the cylinder rod is coated by the systems hydraulic fluid. Depending on your operating environment it may
be necessary, under normal operating conditions, to apply a protective lubricant to the cylinder rods for
protection against rust and pitting. Hydraulic fluid may provide a suitable amount of protection, but remember
any protectant can attract dust and debris so attention must be given to the cylinder rods daily. Also remember
that any other protectant must be compatible with hydraulic fluid. Bush Hog is not responsible for rust or pitting
of the cylinder rod due to weather exposure or impacts from normal operation or mounting. If hydraulic
cylinders and or the cylinder rods are damaged as a result of the rods rusting or pitting, the hydraulic cylinders
and rods will not be covered under warranty by Bush Hog.
CONTROL VALVE
Non Return Valve
The non return valve prevents the feedback of oil from the service parts. It is unlikely to need attention but if
removed for cleaning, a new “O” ring should be used when refitted.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-6
MAINTENANCE
Replacing Spool “O” Rings
Note: Owing to the sharp edges in the design of the spool, failure to carry out the following procedure could
result in damage to the “O” rings resulting in external leakage.
Main Relief Valve
The main relief valve is pressure set at the factory to 1450 PSI (100 Bar) and is non adjustable. A sticking relief
valve will probably cause overheating and/or loss of power. If this is suspected it should be dismantled and
examined for dirt and damage. Undo the large hexagon housing, the relief valve spring, needle and seat can
now be withdrawn. If difficulty is experienced in extracting the seat, remove the non-return valve at the
opposite end of the gallery and drive out with a soft brass drift. Be careful not to damage the copper sealing
washer positioned between the seat and the locating shoulder on the block.
Blow out the valve with compressed air and examine the components for damage. These components are
specifically hardened steel and should only display a seating witness - any further damage will require the
complete valve to be replaced.
Under no circumstances be tempted to add shims into this valve in a misguided attempt to increase the power
of the machine. This could damage the tractor, and may cause personal injury.
HYDRAULIC HOSES
The condition of all hoses should be checked during routine servicing. Hoses that have been chafed or
damaged on their outer casing should be securely wrapped with waterproof adhesive tape to prevent the metal
braid from rusting. Hoses that have suffered damage to the metal braid should be changed at the earliest
opportunity.
Hose Replacement
1. Replace one hose at a time to avoid the risk of wrong connections.
2. When the hose is screwed to an additional fitting or union, use a second spanner on the union to avoid
breaking both seals.
3. Do not use jointing compound on threads.
4. Avoid twisting the hose. Adjust the hose line to ensure freedom from rubbing or trapping before tightening
the hose end connections.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-7
MAINTENANCE
1. Extract the lever pivot and the lever pivot box.
2. Remove the cover at the opposite end of the spool and unscrew the return spring or detent assembly
whichever is necessary.
3. Pull the spool through the block from the handle end, until the “O” ring marked “A” is accessible. Remove
the “O” ring from its groove using a smooth edged hook.
4. Completely remove the spool from the block out of the return spring end.
5. Remove the “O” ring marked “B” and refit the new “O” ring groove “A”.
6. Fit new “O” ring in groove “A”.
7. Push the spool back through from the handle end far enough to reassemble the return spring or detent
assembly plus the cover.
8. Reassemble the lever pivot box, lever and handle to the valve.
MAINTENANCE
Hose Warranty
Warranty is limited to replacement which have failed due to faulty manufacture or materials. Warranty will not
be considered on hoses that have suffered damage by abrasion, cuts or being pinched or trapped while in
work.
MAINTENANCE
Neither will a claim be considered where the hose end has been damaged by a flow or where the threads or
unions have been damaged by overtightening.
HOSE CONNECTIONS
STORAGE
If machine is to be left standing for an extended period of time, lightly coat the exposed portions of the ram rods
with grease. Subsequently, this grease which becomes contaminated with dust and grit should be wiped off
before the rams are next moved.
If the machine has to be stored outside, tie a piece of tarpaulin or canvas over the control assembly. Do not use
a plastic fertilizer bag which could lead to rapid corrosion.
PROPER TORQUE VALUES FOR FASTENERS
The chart lists the correct tightening torque for fasteners. When bolts are to be tightened or replaced, refer to
this chart to determine the grade of bolts and the proper torque except when specific torque values are
assigned in manual text.
RECOMMENDED TORQUE IN FOOT POUNDS UNLESS OTHERWISE STATED IN THE MANUAL*
NOTE: These values apply to fasteners as received from supplier, dry or when lubricated with normal engine
oil. They do not apply if special graphitized or molydisulphide greases or other extreme pressure lubricants are
used. This applies to both UNF fine and UNC coarse threads.
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-8
MAINTENANCE
MAINTENANCE
PT5 09/10
© 2010 Alamo Group Inc.
Maintenance Section 5-9
LIMITED WARRANTY

Bush Hog warrants to the original purchaser of any new Bush Hog equipment, purchased from an authorized Bush
Hog dealer, that the equipment be free from defects in material and workmanship for a period of one (1) year for
non-commercial, state and municipalities’ use and ninety (90) days for commercial use from date of retail sale. The
obligation of Bush Hog to the purchaser under this warranty is limited to the repair or replacement of defective parts.
Replacement or repair parts installed in the equipment covered by this limited warranty are warranted for ninety (90)
days from the date of purchase of such part or to the expiration of the applicable new equipment warranty period,
whichever occurs later. Warranted parts shall be provided at no cost to the user at an authorized Bush Hog dealer
during regular working hours. Bush Hog reserves the right to inspect any equipment or parts which are claimed to
have been defective in material or workmanship.
DISCLAIMER OF IMPLIED WARRANTIES & CONSEQUENTIAL DAMAGES
Bush Hog’s obligation under this limited warranty, to the extent allowed by law, is in lieu of all warranties, implied or
expressed, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE and any liability for incidental and consequential damages with respect to the sale or use of the items
warranted. Such incidental and consequential damages shall include but not be limited to: transportation charges
other than normal freight charges; cost of installation other than cost approved by Bush Hog; duty; taxes; charges
for normal service or adjustment; loss of crops or any other loss of income; rental of substitute equipment,
expenses due to loss, damage, detention or delay in the delivery of equipment or parts resulting from acts beyond
the control of Bush Hog.
THIS LIMITED WARRANTY SHALL NOT APPLY:
1. To vendor items which carry their own warranties, such as engines, tires, and tubes.
2. If the unit has been subjected to misapplication, abuse, misuse, negligence, fire or other accident.
3. If parts not made or supplied by Bush Hog have been used in connection with the unit, if, in the sole judgement
of Bush Hog such use affects its performance, stability or reliability.
4. If the unit has been altered or repaired outside of an authorized Bush Hog dealership in a manner which, in the
sole judgement of Bush Hog, affects its performance, stability or reliability.
5. To normal maintenance service and normal replacement items such as gearbox lubricant, hydraulic fluid, worn
blades, or to normal deterioration of such things as belts and exterior finish due to use or exposure.
6. To expendable or wear items such as teeth, chains, sprockets, belts, springs and any other items that in the
company’s sole judgement is a wear item.
NO EMPLOYEE OR REPRESENTATIVE OF BUSH HOG IS AUTHORIZED TO CHANGE THIS LIMITED
WARRANTY IN ANY WAY OR GRANT ANY OTHER WARRANTY UNLESS SUCH CHANGE IS MADE IN
WRITING AND SIGNED BY BUSH HOG’S SERVICE MANAGER, 2501 GRIFFIN AVE., SELMA, ALABAMA 36703.

Record the model number, serial number and date
purchased. This information will be helpful to your
MODEL NUMBER ________________________________
dealer if parts or service are required.
SERIAL NUMBER ________________________________
MAKE CERTAIN THE WARRANTY
HAS BEEN FILED WITH BUSH HOG
SELMA, ALABAMA
DATE OF RETAIL SALE ___________________________
TO THE OWNER/OPERATOR/DEALER
To keep your implement running efficiently and safely, read your manual thoroughly and follow these directions
and the Safety Messages in this Manual. The Table of Contents clearly identifies each section where you can
easily find the information you need.
The OCCUPATIONAL SAFETY AND HEALTH ACT (1928.51 Subpart C) makes these minimum safety
requirements of tractor operators:
REQUIRED OF THE OWNER:
1. Provide a Roll-Over-Protective Structure that meets the requirements of this Standard; and
2. Provide Seat belts that meet the requirements of this paragraph of this Standard and SAE J4C; and
3. Ensure that each employee uses such Seat belt while the tractor is moving; and
4. Ensure that each employee tightens the Seat belt sufficiently to confine the employee to the protected
area provided by the ROPS
REQUIRED OF THE OPERATOR:
1. Securely fasten seat belt if the tractor has a ROPS.
2. Where possible, avoid operating the tractor near ditches, embankments, and holes.
3. Reduce speed when turning, crossing slopes, and on rough, slick, or muddy surfaces.
4. Stay off slopes too steep for safe operation.
5. Watch where you are going - especially at row ends, on roads, and around trees.
6. Do not permit others to ride.
7. Operate the tractor smoothly - no jerky turns, starts, or stops.
8. Hitch only to the drawbar and hitch points recommended by the tractor manufacturer.
9. When the tractor is stopped, set brakes securely and use park lock, if available.
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Keep children away from danger all day, every day...
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Equip tractors with rollover protection (ROPS) and keep
all machinery guards in place...
x
Please work, drive, play and live each day with care
and concern for your safety and that of your family and
fellow citizens.
PT5 POWERTRIM
SICKLE BAR BOOM MOWER
PT5 POWERTRIM - SOM - 09/10 (Revised 03/11)
Printed in USA
P/N 50068814C
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