Mole Post hole digger 100

Mole Post hole digger 100
BEFCO
®
Operator’s Manual
MOLE
Post Hole Diggers
100-512, 200-512, 300-512 & 400-512
Before you begin use of equipment, read, understand, and follow all safety instructions in
this manual.
The operator’s manual is a technical service guide and must always accompany the machine.
Manual 960-125B
May 2009
SAFETY
Take note! This safety alert symbol found throughout this manual is used to call your attention
to instructions involving your personal safety and the safety of others. Failure to follow these
instructions can result in injury or death.
This symbol means:
ATTENTION!
BECOME ALERT!
YOUR SAFETY IS INVOLVED!
Signal Words
Note the use of the signal words DANGER, WARNING and CAUTION with the safety messages. The
appropriate signal words for each have been selected using the following guidelines:
DANGER: Indicates an imminently hazardous situation that, if not avoided, will result in death or
serious injury.
WARNING: Indicates a potentially hazardous situation that, if not avoided, could result in death or
serious injury, and includes hazards that are exposed when guards are removed. It may also be used
to alert against unsafe practices.
CAUTION: Indicates a potentially hazardous situation that, if not avoided, may result in minor or
moderate injury.
INDEX
4
1 - GENERAL INFORMATION
1.01 - General
4
1.02 - Model and Serial Number ID
4
2 - SAFETY PRECAUTIONS
6
2.01 - Preparation
6
2.02 - Starting and Stopping
9
2.03 - Messages and Signs
10
13
3 - OPERATION
3.01- Operational Safety
13
3.02 - Set Up
14
3.03 - Pre-Operational Check
15
3.04 - Assembly and Attaching to the Tractor
15
3.05 - Start Up
18
3.06 - Optional Down Force Kit
19
3.07 - Optional Hookup Stand
22
3.08 - Optional Positioning Handle
23
24
4 - MAINTENANCE
4.01 - Maintenance Safety
24
4.02 - Service
25
4.03 - Driveline
26
29
5 - REPAIR PROCEDURES
5.01 - Shear Bolt Replacement
29
5.02 - Suggested Spare Parts
29
5.03 - Storage
30
6 - TROUBLESHOOTING
31
7 - PRE-DELIVERY CHECKLIST
32
8 - WARRANTY
33
PARTS MANUAL
37
INDEX
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1 - GENERAL INFORMATION
Thank you and congratulations for having chosen our implement. Your new post hole
digger is a technologically advanced machine constructed of high quality, sturdy
components that will fulfill your working expectations.
Read this manual carefully. It will instruct you on how to operate and service your
machine safely and correctly. Failure to do so could result in personal injury and/or
equipment damage.
1.01 - General
CAUTION: Unless otherwise specified, all hardware is metric. Use only metric
tools on metric hardware. Other tools that do not fit properly can slip and cause
injury.
CAUTION: Right hand and left hand sides of the implement are determined by
facing in the direction the implement will travel when going forward (see fig. 2).
1.02 - Model and Serial Number ID
Attached to the frame is an ID plate showing the model and the serial number. Record
your implement model and serial number in the space provided below. Your local dealer
needs this information to give you prompt, efficient service when you order parts.
Carefully read the Warranty section1, detailing coverage and limitations of this warranty.
Warranty is provided for customers who operate and maintain their equipment as
1
See Chapter 8 - Warranty.
GENERAL INFORMATION
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described in this manual. Warranty registration is accomplished by the dealer by
completing and forwarding the Warranty Registration form to the Company, along with
a copy of the dealer’s invoice. It is in your best interest to insure that this has been
done.
Warranty does not cover the following:
1. Cleaning, transporting, mailing and service call charge s.
2. Normal wear items such as auger point and teeth, bearings, hydraulic hoses,
drivelines, shear pins, etc.
3. Depreciation or damage caused by normal wear, accidents, improper maintenance,
improper protection or improper use.
4. The use of non-original spare parts and accessories.
Your Authorized Company Dealer has genuine parts in stock. Only these approved
replacement parts should be used.
This limited warranty covers defective material and workmanship. The cost of normal
maintenance or repairs for accidents or improper use and related labor will be borne by
the owner.
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2 - SAFETY PRECAUTIONS
Safety is the primary concern in the design and manufacture of our products.
Unfortunately our efforts to provide safe equipment can be wiped out by a single
careless act of an operator. As manufacturers of post hole diggers, we want to confirm
to you, our customers, our concern for safety.
In addition to the design and configuration of 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
equipment. It is the operator’s responsibility to read and understand all safety and
operating instructions in the manual and to follow these.
Allow only properly trained personnel to operate the post hole digger. Working with
unfamiliar equipment can lead to careless injuries. Read this manual, and the manual
for your tractor, before assembly or operation, to acquaint yourself with the machines. It
is the post hole digger owner’s responsibility, if this machine is used by any person
other than yourself, is loaned or rented, to make certain that the operator, prior to
operating, reads and understands the operator’s manuals and is instructed in safe and
proper use. Review frequently the safety precautions for the post hole digger and
tractor with all operators.
Our current production of machines include, as standard equipment, guards or shields
for auger adapters, drivelines, input shafts, and safety signs. Older machines can be
retrofitted to add these new guards or shields and, of course, safety signs. If you have
an older machine which does not have current standard safety equipment or if
you are unsure, please contact your dealer about bringing your machine up to the
current level of safety.
Do not modify the equipment in any way. Unauthorized modifications may impair the
function and/or safety and could affect the life of the equipment.
Do not exceed the limits of any equipment and operate only in daylight or good artificial
light.
2.01 - Preparation
CAUTION: Working with unfamiliar equipment can lead to careless injuries. Read
this manual, and the manual for your tractor, before assembly or operating, to
acquaint yourself with the machines. It is the post hole digger owner’s
responsibility, if this machine is used by any person other than yourself, is
loaned or rented, to make certain that the operator, prior to operating:
1. Reads and understands the operator’s manual.
2. Is instructed in safe and proper use.
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WARNING: The majority of accidents involve entanglement on the driveline or
auger. The risk of entanglement becomes greater when you replace our shear
bolts or auger retaining bolts with bolts longer than those specified by the
manufacturer. This improper replacement occurs most often on machines that
are loaned or rented to someone who has not read the operator’s manual and is
not familiar with a post hole digger.
1. This post hole digger is designed for one-man operation from the tractor seat. It is
the responsibility of the operator to see that no one is within twenty-five feet (25’) of
the digger when it is started. Do not operate the digger with another person, small
children, and/or pets near, or in contact with, any part of the digger, PTO driveline, or
auger. Serious personal injury or death may result if any attempt is made to assist
digger operation by hand. Stop operation whenever anyone comes within the
operating area.
2. The use of this equipment is subject to certain hazards which cannot be protected
against by mechanical means or product design. All operators of this equipment
must read and understand this entire manual, paying particular attention to safety
and operating instructions prior to using. If there is something in the manual which
you do not understand, ask your supervisor or your dealer to explain it to you.
3. Most accidents occur because of neglect or carelessness. Keep all helpers and
bystanders twenty-five feet (25’) away from the operating digger. Only properly
trained people should operate this machine. It is recommended the tractor be
equipped with a Rollover Protection System (ROPS) and a seat belt. Always stop
the PTO, set brake, shut off the tractor engine, remove the tractor key and allow
auger to come to a complete stop before dismounting tractor. Never leave
equipment unattended with the tractor running.
4. Please remember it is important that you read and heed the safety signs on the
digger and the safety rules set forth. Clean or replace all safety signs if they cannot
be clearly read and understood. Do not paint over, remove, or deface any safety
decals on your equipment. They are there for your safety, as well as the safety of
others. The safe use of this machine is strictly up to you, the operator.
5. All things with moving parts are potentially hazardous. There is no substitute for a
cautious, safe-minded operator who recognizes potential hazards and follows
reasonable safety practices. The manufacturer has designed this digger to be used
with all its safety equipment properly attached, to minimize the chance of accidents.
Study this manual to make sure you have all safety equipment attached.
6. If a safety shield is removed for any reason, it must be replaced before the machine
is again operated. Always use and maintain in place all power take off guards
furnished with the tractor as well as the power take off guards and shields furnished
with the digger. Ensure the anti-rotation chain is secured to the hole in the driveline
guard.
7. This digger is designed for use only on tractors with a 540 rpm power take off.
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8. When use of hand tools are required to perform any part of assembly, installation,
adjustment, maintaining, repairing, removal, or moving the digger, be sure the tools
used are designed and recommended by the tool manufacturer for the specific task.
9. Personal protection equipment including hard hat, hearing protection, safety
glasses, safety shoes, and gloves are recommended during assembly, installation,
operation, adjustment, maintaining, repairing, removal, or moving the digger. Do not
allow long hair, loose fitting clothing or jewelry to be around moving parts.
10. Always use two people to handle heavy, unwieldy components during assembly,
installation, removal, or moving the digger.
11. Never place any part of your body where it would be in danger if movement should
occur during assembly, installation, operation, maintaining, repairing, removal, or
moving the digger.
12. Never place yourself between the tractor and the digger while the implement is in
operation.
13. Do not walk or work under a raised digger or attachment unless it is securely
blocked or held in position. Do not depend on the tractor hydraulic system to hold
the implement or attachment in place.
14. A heavy load can cause instability of the tractor. Use extreme care during travel.
Slow down on turns and watch out for bumps. The tractor may need front
counterweights to counter balance the weight of the digger.
15. Never use alcoholic beverages or drugs which can hinder alertness or coordination
while operating this equipment. Consult your doctor about operating this machine
while taking prescription or over-the-counter medications.
16. Do not allow riders on the digger or tractor at any time. There is no safe place for
riders.
17. Before you operate the digger, check over all pins, bolts, and connections to be sure
all are securely in place. Replace any damaged or worn parts immediately.
18. Consult local utility companies to make certain there are no buried gas lines,
electrical cables, etc., in the work area before beginning operation.
19. Do not allow anyone who is not familiar with the safety rules and operation
instructions to use this post hole digger.
20. Never allow children to operate or be around this digger.
21. Use stabilizer bars, adjustable sway chains, or sway blocks on your tractor lift arms
to keep the post hole digger from swinging side to side. Adjust as tightly as practical
for best performance.
22. Never replace the shear bolt or auger retaining bolt with any length other than what
is specified in this manual. A longer or protruding fastener is more likely to grab
loose clothing or gloves , which can result in serious injury or death.
23. Clear the work area of objects, such as stones or branches, which might be picked
up and thrown or entangled in the auger.
24. To prevent possible rapid wear of U-Joints and possible failure of drivelines, never
lift auger more than 12” off the ground with PTO operating.
25. To prevent possible instantaneous driveline failure, never move digger from hole to
hole or transport while auger is rotating. This could lead to injury from flying pieces
of the failed driveline.
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26. Do not operate digger on steep hillsides. When digging on uneven or hilly terrain,
position the tractor with the post hole digger uphill. With the post hole digger
downhill, the tractor could tip when attempting to pull the auger from its hole.
27. Never position the auger point by hand when the tractor is running.
28. Never position the auger point by putting your hands on the auger, gearbox, boom,
or driveline.
29. Keeps body parts, hands, feet, hair, jewelry, and clothing away from all moving
and/or rotating parts.
30. To prevent entanglement and possible serious injury or death, never use body
weight to try to push auger into the ground.
31. Worn edges or a slightly rounded point can seriously affect auger penetration.
Check for wear before each use. Replace as necessary .
32. Do not shovel dirt away from a rotating auger as the shovel can be caught and
thrown by the auger.
33. Do not operate the post hole digger without all safety shields and guards in place.
34. Shut off PTO and wait for the auger to stop movement before transporting.
35. Always use care when operating a post hole digger.
2.02 - Starting and Stopping
1. Be sure that no one is near the machine prior to engaging or while the machine is
working.
2. Be sure the tractor is in “Neutral” before starting engine.
3. Post hole digger operating power is supplied from tractor PTO. Refer to your tractor
manual for PTO engagement and disengagement instructions. Always operate PTO
at 540 rpm. Know how to stop the tractor and post hole digger quickly in case of an
emergency.
4. When engaging PTO, the engine rpm should always be low. Once engaged and
ready to start using, raise PTO speed to 540 rpm and maintain throughout
operation.
5. Check the tractor master shield over the PTO stub shaft. Make sure it is in good
condition and fastened securely to the tractor. Purchase a new shield if old shield is
damaged or missing.
6. After striking an obstacle, disengage the PTO, shut the tractor down and thoroughly
inspect for damage before restarting.
7. Never engage the PTO until the post hole digger is in the down position and resting
on the ground. Never raise the post hole digger until the auger has come to a
complete stop.
8. Take all possible precautions when leaving unit unattended: disengage PTO, set
parking brake, stop engine, and remove key form ignition. Park in level area.
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2.03 - Messages and Signs
1. Read and adhere to all safety and operating decals on this machine (see fig. 2).
2. Before dismounting tractor: Allow moving parts to stop, stop engine, set brake and
remove the key of unattended equipment.
3. Keep away from rotating auger and driveline.
4. Keep guards and shields in place and in good condition.
5. Do not use with bystanders in area.
6. Allow no riders on the tractor.
7. Allow moving parts to stop before repair.
8. Securely support post hole digger before performing any maintenance.
Additional warning and operating decals are available at no extra charge. Please
specify model and serial number when ordering.
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Fig. 2 - Safety decals; replace immediately if damaged.
CAUTION: Observe and follow all safety signs. Never operate the machine near
people or pets. Replace any missing or damaged safety labels. Replacement
labels are available. Please specify model and serial number when ordering.
right side
left side
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Safety decals; replace immediately if damaged.
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3 - OPERATION
You have purchased a post hole digger that is constructed with heavy walled piping and
a sturdy gearbox to ensure reliability whether it’s for landscaping, farming or industrial
purposes. The Mole series post hole diggers come in four sizes (100-512, 200-512,
300-512 & 400-512) and the augers range from 6” for small post holes, all the way up to
30” holes for tree root balls. The auger cutting teeth and point are easily replaceable.
The driveline is fully shielded with shearpin safety. Available as an option are: A
hydraulic down force kit (for models 200-512, 300-512 & 400-512) that allows for
additional digging force in hard soil conditions; a hookup stand for easy and safe
storage (for all models) and a positioning handle that mounts on the gearbox of the
digger to enable operator to easily position the auger point on the ground from tractor
seat (for models 200-512, 300-512 & 400-512).
3.01- Operational Safety
CAUTION: Our post hole diggers are designed considering safety as the most
important aspect. Unfortunately, human carelessness can override the safety
features built into our machines. Injury prevention and work safety, aside from
the features on our post hole diggers, are very much due to the responsible use
of the equipment. It must always be operated prudently following with great care,
the safety instructions laid out in this manual.
1. The use of this equipment is subject to certain hazards which cannot be prevented
by mechanical means or product design. All operators of this equipment must read
and understand this entire manual, paying particular attention to safety and
operating instructions, prior to using.
2. Do not operate the tractor and implement when you are tired, sick or when using
medication.
3. Keep all helpers and bystanders at least 25 feet from a post hole digger. Only
properly trained people should operate this machine.
4. Before beginning operation, clear area of objects that could wrap around the auger
or might be thrown. Contact local utility companies to make certain there are no
bundled gas lines, electrical cables, etc., in the work area. Check for ditches,
stumps, holes, or other obstacles that could cause the tractor to roll.
5. The majority of accidents involve entanglements on the driveline and on the auger.
Accidents are most likely to occur with machines that are loaned or rented to
someone who has not read the operator’s manual and is not familiar with a post
hole digger.
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6. Always stop the tractor, set brake, shut off the tractor engine, remove the ignition
key and allow moving parts to come to a complete stop before dismounting tractor.
Never leave equipment unattended with the tractor running.
7. Keep hands, feet, hair, jewelry, and clothing away from all moving parts.
8. Do not allow riders on the digger or tractor at any time. There is no safe place for
riders.
9. Do not allow anyone to stand behind, or to the side of, a rotating auger.
10. Before backing up, disengage the machine and look behind carefully.
11. Install and secure all guards and shields before starting or operating.
12. This post hole digger is designed for use only on tractors with 540 rpm power take
off.
13. The rotating parts of this machine have been designed and tested for rugged use.
However, they could fail upon impact with heavy, solid objects such as steel guard
rails and concrete abutments. 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 auger teeth and point to contact such
obstacles.
14. Frequently check auger teeth and point. They should be sharp, free of nicks and
cracks and securely fastened.
15. Stop implement immediately upon striking an obstruction. Turn engine off, remove
key, inspect and repair any damage before resuming operation.
16. Stay alert for holes, rocks and roots in the terrain and other hidden hazards. Keep
away from drop-offs.
17. Do not operate digger on steep hillsides. When digging on uneven or hilly terrain,
position the tractor with the post hole digger uphill. With the post hole digger
downhill the tractor could tip when attempting to pull the auger from its hole.
18. When using a unit, a minimum 20% of tractor and equipment weight must be on
tractor front wheels. Without this weight, tractor could tip over, causing personal
injury or death. The weight may be attained with a front end loader, front wheel
weights, ballast in tires or front tractor weights. When attaining a minimum 20% of
tractor and equipment weight on the front wheels, you must not exceed the ROPS
weight certification. Weigh the tractor and equipment. Do not guess or estimate!
19. Inspect the entire machine periodically2. Look for loose fasteners, worn or broken
parts, and leaky or loose fittings.
20. Use only the driveline supplied with the post hole digger. Do not use it if it is missing
any shield or safety protection. Never replace the shear bolt or auger retaining bolt
with any length other than what is specified in this manual. A longer or protruding
fastener is more likely to grab loose clothing or gloves, which can result in serious
injury or death.
3.02 - Set Up
Notice to dealer: Pre-delivery setup and service including lubrication is the
responsibility of the authorized dealer. It is up to him to assure that the machine is in
perfect condition and ready to be used. It is his responsibility to ensure that the
2
See Chapter 4 - Maintenance.
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customer is aware of all safety aspects and operational procedures for the post hole
digger. He must also fill out the Pre- Delivery Checklist 3 prior to delivering the machine.
3.03 - Pre-Operational Check
IMPORTANT: Check each of the following, carefully, prior to engaging the equipment:
1. Thoroughly read and understand your operator’s manual.
2. The oil in the gearbox.
3. The driveline cross and bearings have been greased.
4. No wrappings or foreign objects are around the auger or driveline.
5. All hardware is tight 4.
6. The tractor, to ensure correct direction of PTO and rpm speed.
7. All safety shields and guards are in place and tightly attached.
8. Clear area of objects that could wrap around the auger or might be thrown.
9. Contact local utility companies to make certain there are no bundled gas lines,
electrical cables, etc., in the work area.
10. Check for ditches, stumps, holes, or other obstacles that could cause the tractor to
roll.
11. Lay out and mark where you want to dig your holes.
12. All persons should be at least twenty-five feet (25’) away. Clear the area of helpers,
bystanders, especially children.
13. Do not allow anyone to stand behind or to the side of a rotating auger.
14. To dig properly, your digger must be able to raise or lower through the highest and
lowest points of your lift arm travel without binding against the tractor frame. Check
carefully before attaching the auger. If it does bind, adjust the tractor 3-point linkage
so that all movement is free.
DANGER: Stay clear of rotating driveline and auger. Entanglement in rotating
driveline and/or auger can cause serious injury or death. Disengage PTO, engage
parking brake or place transmission in “Park”, shut off the tractor and remove the
key before working around hitch, attaching or detaching driveline, making
adjustments, servicing or cleaning the machine.
3.04 - Assembly and Attaching to the Tractor
Following you will find the assembly instructions for your post hole digger. Please read
this manual thoroughly before assembling the post hole digger. If you have any
questions regarding the proper assembly or operation of this digger please contact your
dealer or the Company.
3
4
See Chapter 7 - Pre-Delivery Checklist.
See Table 3, page 28.
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CAUTION: Stand clear of bands when cutting as they could be under sufficient
tension to cause them to fly loose. Take care in removing bands and wire, they
often have extremely sharp edges and cut very easily.
WARNING: Personal protection equipment including hard hat, safety glasses,
safety shoes, and gloves are recommended during installation, operation,
adjustment and maintenance of the digger and auger. Do not allow long hair,
loose fitting clothing, or jewelry to be around moving parts.
Below is a list of the items included in shipment of the post hole digger:
1 Boom
1 Yoke complete with:
1 Gearbox complete with:
1 PTO Shaft
1 Hardware bag attached to gearbox pin
complete with:
1
1
1
2
1
1
1”x6” pin
Lynch pin
7
/8” pin
Hairpin cotter
Gearbox Guard
Auger Guard
1
Set screw with hex nut
1
3
/8”x3” grade 2 shear bolt (for Mole 200, 300 & 400)
or;
¼”x2½” grade 2 shear bolt (for Mole 100)
1 3/8” locknut (for Mole 200, 300 & 400)
or;
¼” locknut (for Mole 100)
2 Bolts M12x90
2 Hex nuts M12
2 Lock washers Ø12
Ensure you have all components before you begin assembly.
To assemble the frame of the post hole digger proceed as follows:
1. Lay out all parts to be assembled.
2. Attach gearbox to digger boom by using 7/8” pin and cotter pins.
3. Connect digger boom to top link hitch of tractor using tractor pin and retaining pin.
Note: The post hole diggers 200-512, 300-512 & 400-512 come with a reduction
bushing to be used on category 1 tractors.
4. Attach digger yoke to the boom assembly by using 1”x6” pin and lynch pin provided.
Then connect digger yoke to lower lift links of tractor.
5. Connect sway bars or adjust sway links to retain digger side to side.
DANGER: Use only the driveline supplied with the post hole digger. Do not use it
if it is missing any shield or safety protection. Never replace the shear bolt or
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auger retaining bolt with any length other than what is specified in this manual. A
longer or protruding fastener is more likely to grab loose clothing or gloves,
which can result in serious injury or death.
CAUTION: This machine is equipped with a shear bolt for the protection of the
PTO and gearbox. Never replace the shear bolt with anything harder than a grade
2 bolt. All warranties will be void if a bolt harder than a grade 2 is used.
To install the driveline proceed as follows:
1. Use tractor’s hydraulic lift to raise boom. Separate the 2 driveline halves. Attach
outer driveline yoke to tractor PTO by pushing in the quick detachment pin and
sliding drive shaft onto tractor. Attach inner driveline yoke to post hole digger
gearbox by using the 3/8”x3” grade 2 shear bolt (on the Mole 200, 300, and 400) or
the ¼”x2½” grade 2 shear bolt (on the Mole 100) and locknut.
2. Raise and lower digger (without the auger attached) with the tractor’s 3 point hitch
to ensure the driveline has at least 2” from bottoming out in its shortest working
position and has the minimum 6” overlap in its longest working position. Refer to
Section 4.035 of this manual, if it is determined that the driveline is too long and
needs to be shortened. Contact your local dealer if it is determined that the driveline
is too short for your tractor. If the driveline is of the correct length proceed to step 3
below.
3. Apply multi-purpose grease to the inside of the outer driveline shaft and reassemble
the two shafts.
4. Note: The driveline requires the use of a safety set screw to prevent it from coming
off the gearbox in the event that the shear bolt is sheared. Turn safety set screw all
the way in the PTO shaft and into the groove of the input shaft of the gearbox. Back
out set screw no more than ¼ turn and secure with hex nut.
5. The driveline should now be moved back and forth to ensure that both ends are
secured to the tractor and the post hole digger gearbox.
6. Install both driveline safety chains. One should be hooked in a hole on the outer
driveline yoke shield and to the tractor to restrict outer shield rotation. The second
one should be hooked in a hole on the inner driveline yoke shield and to the post
hole digger to restrict inner shield rotation.
To install the auger proceed as follows:
1. Position auger under the post hole digger gearbox.
2. Remove plastic caps on gearbox guard.
3. Attach auger to gearbox by using two bolts M12x90, lock washers and hex nuts.
Torque appropriately.
4. Reinstall both caps on gearbox guard.
5. After completing assembly, thoroughly inspect the machine to be sure that all
hardware has been thoroughly tightened and lubricated and check gearbox oil level.
5
See Section 4.03 - Driveline, for instructions on how to determine correct driveline length and
procedures for shortening the driveline.
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DANGER: Failure to ensure a secure coupling of the implement to the tractor can
cause injury and damage to the implement or tractor.
Only use this implement with tractors in the correct power range6. Never use this
machine with tractors over 90 HP.
CAUTION: Check the tractor PTO rpm to ensure it is set at 540 and turns
clockwise.
CAUTION: Always ensure that the tractor tire pressure is correct according to the
tractor operator’s manual.
3.05 - Start Up
It is essential that everyone involved in the assembly, operation, transport,
maintenance, and storage of the equipment be aware, concerned, prudent, and
properly trained in safety.
DANGER: This post hole digger was designed for one-man operation from the
tractor seat. It is the responsibility of the operator to see that no one is within
twenty-five feet (25’) of the digger when it is started.
DANGER: Stand clear of auger and driveline when in operation. Failure to do so
could result in serious injury or death.
WARNING: Remain on the tractor seat while operating the post hole digger.
Assisting the machine by hand can result in serious injury or death.
WARNING: Never locate auger by putting hands on auger, gearbox, or boom
assembly when there is any sign of rotation on the driveline or auger or if the
tractor is running.
6
See Table 1, page 27.
OPERATION
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CAUTION: Never engage PTO when auger point is more than 1’ above the ground.
Follow the below procedures to start working:
1. The auger needs to work in a vertical position. To adjust the auger to a vertical
position, raise the auger point off the ground and turn the leveling crank on the lifting
link of the tractor until the auger is vertical. With the PTO disengaged, slowly lower
the auger until the auger point just engages the ground. Move the tractor slowly
forward or backward (as needed) until the auger is vertical with respect to the
ground.
2. Set tractor brakes.
3. Take tractor out of gear.
4. With the auger point lowered to the ground, set the engine speed to idle, then
engage the PTO. Make sure the auger point is on the ground before engaging the
PTO.
5. Increase the speed as required so dirt is conveyed from the hole. Refer to the
tractor’s operator’s manual for suggestions on PTO speed.
6. Under no circumstances should the PTO be run in excess of 540 rpm.
7. In many types of soil, it may be necessary to hold back against the auger screw
suction by moving the hydraulic control lever to “HOLD” or “RAISE” position to keep
the auger from screwing into the ground.
8. Never use body weight to help the auger penetrate the ground. When the ground is
too tough to penetrate with your cutting edges and point, replace them and try again.
These are replaceable parts and must be in good condition to penetrate.
9. If you have difficulty penetrating hard ground, refer to the Troubleshooting section of
this manual.
10. When the auger has been lowered a foot or so into the ground, raise the auger
almost out of the hole to clear the dirt, then drill deeper and raise the auger again.
Repeat this procedure until the desired hole depth is reached.
11. Once the auger is digging a hole, the tractor cannot be moved. Make sure brake is
set securely. If the tractor does move while the auger is in a hole, damage to the
gearbox or auger can result (not covered by warranty).
12. Be sure auger is completely retracted from the hole before attempting to move the
tractor.
13. Do not shovel dirt away from a rotating auger as the shovel can be caught and
thrown by the auger.
14. Leave the power take off disengaged when traveling between holes.
Keep safety shields in place at all times.
3.06 - Optional Down Force Kit
The hydraulic down force kit allows for additional digging force in hard soil conditions.
The kit consists of a cylinder that attaches to the post hole digger by the use of
OPERATION
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mounting plates. It operates using the tractor hydraulic system and it provides between
300 and 500 lb. of additional down pressure depending on mounting configuration.
The hydraulic down force kit comes in two versions, one (PHD-005) that fits the Mole
200 and one (PHD-002) for the Mole 300 & 400.
WARNING: High pressure hydraulic oil leaks can penetrate skin resulting in
injury, gangrene or death. Be sure to relieve any hydraulic oil pressure before
disconnecting any lines or pipes between post hole digger and tractor hydraulic
system. Check for oil leaks using a cardboard, never use hands.
IMPORTANT: Serious damage can occur to post hole digger and down force kit if
tractor hydraulics does not have float capabilities.
6
5
2
1
3
4
Fig. 4
1. digger yoke
2. digger boom
3. lower support bracket
4. bracket pin
5. cylinder pin
6. hydraulic cylinder
To assemble the down force kit proceed as follows:
1. Lower post hole digger until auger point is resting on the ground.
2. Remove pin that connects the yoke to digger boom.
3. Assemble lower support bracket to digger boom and yoke by using the new pin (see
#4, fig. 4) that is pre-installed on the bracket. Insert both cotter pins after mounting
pin.
4. Assemble mounting plates to digger boom (see fig. 5) using two bolts ½”x 1¾”, two
lock washers ½” and two hex nuts ½” provided.
5. Mount the hydraulic cylinder (see #6, fig. 4) on top of lower support bracket using
the cylinder pin ¾”x37/8” (see #5, fig. 4) and lynch pin. Mount non-action end of the
cylinder on the lower support bracket.
6. Mount the other end of the hydraulic cylinder on mounting plates (see #7, fig. 5)
using cylinder pin ¾”x3” ( see #8, fig. 5) and “R” clip provided.
OPERATION
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7. Hydraulic hoses come pre-assembled to the pressure relief valve, connect assembly
to the cylinder (see fig. 6). (If additional work needs to be done to hydraulic pluming
to fit your tractor’s needs, use teflon tape to seal pipe threads.)
8. Connect pressure line (see fig. 6) to tractor hydraulic outlet and return line to
reservoir.
Fig. 5
2. digger boom
2
8
7
6. hydraulic cylinder
7. mounting plates
8. cylinder pin
6
2
PHD-002
fits Mole 300 & 400
8
6
7
PHD-005
fits Mole 200
IMPORTANT: Do not connect return line to tractor remote outlet. Damage will
occur to frame if not properly hooked up to reservoir.
9
ret
ur n
10
12
lin
e
11
11
ur e
ss
pr e
13
OPERATION
Fig. 6
6. hydraulic cylinder
9. pressure relief valve
10. elbow fitting
11. hydraulic bushing
12. breather plug
13. quick connect nipple
lin e
6
21
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CAUTION: Hydraulic pressure relief valve is preset at 1500 psi and should not be
changed. Increasing the pressure can result in damage to the equipment.
3.07 - Optional Hookup Stand
The hookup stand can be used with all Mole models. It is ideal for storing the post hole
digger safely and will prolong implement’s life by keeping it off the ground. The foldable
hookup stand will also allow for easy mounting and dismounting of the post hole digger
to the tractor. The hookup stand has several adjusting height options to accommodate
your needs.
Fig. 7 - Hookup stand.
1. rear tube
2. front tube
3. bolt M12x100
4. bolt M12x80
1
2
5
5. pin
5
4
3
To assemble the hookup stand proceed as follows (see fig. 7):
1. Place stand base on a level surface.
2. Insert rear (gearbox side) and front (boom side) tubes into mounting bracket on
stand base and secure bottom hole of both tubes with the bolt (use M12x100 on
front tube and M12x80 on rear tube), two flat washers (one per each side of
mounting bracket) and tighten with locknut.
3. Insert a pin in the top hole of both mounting brackets making sure longer pin is used
on the ‘Y’ shaped bracket and secure with cotter pins.
4. Once the stand is located in a permanent position, secure it by placing stakes or
screws in all corners.
DANGER: Stop engine, lock parking brake and remove key before dismounting
tractor.
OPERATION
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The stand is foldable in order to help position the post hole digger. Removing the
bottom pins on each mounting bracket will enable tubes to fold down. Once post hole
digger is properly aligned on stand base, shut tractor off and lock parking brakes before
dismounting tractor, raise front and rear tubes back into a vertical position and
re-secure with pins and cotter pins previously removed, and carefully lower implement
on stand. Disconnect 3 point hitch and completely unhook all attachments before
driving away from stand.
IMPORTANT: For stability reasons the stand has been designed with holes in all
ends of the base. The end user is responsible for providing stakes to insert into
the ground through the holes and for selecting a terrain that is suitable to
securely anchor the stand. The stakes need to be at least 12” in length to prevent
tipping of the unit.
3.08 - Optional Positioning Handle
The positioning handle (see fig. 8) mounts on the post hole digger gearbox and allows
to position accurately auger point on the ground from operator’s seat. Raise handle to
move auger point towards the tractor or lower handle to move auger tip away from the
tractor. This option is available for the Mole 200, 300 and 400 models.
Fig. 8 - Positioning handle.
gearbox mounting plate
OPERATION
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4 - MAINTENANCE
DANGER: Stop engine, lock parking brake and remove key before performing any
service or maintenance.
Never rely on the tractor lift system. Install blocks or stands7 under the post hole
digger to prevent it from falling.
Always use personal protection devices, such as glasses or gloves when
performing maintenance.
Keep fingers out of slots to prevent injury.
4.01 - Maintenance Safety
1. Good maintenance is your responsibility.
2. Keep service area clean and dry. Be sure electrical outlets and tools are properly
grounded. Use adequate light for the job at hand.
3. Make sure there is plenty of ventilation. Never operate the engine of the towing
vehicle in a closed building. The exhaust fumes may cause asphyxiation.
4. Make no repair or adjustments with the tractor engine running. Before working on
the machine, disengage the PTO, shut off the engine, set the brakes, and remove
the ignition key.
5. Be certain all moving parts on attachment have come to a complete stop before
attempting to perform maintenance.
6. Never work under equipment unless it is blocked securely.
7. Always use personal protection devices such as eye, hand and hearing protectors,
when performing any service or maintenance.
8. Periodically tighten all bolts, nuts and screws and check that all cotter pins are
properly installed to ensure unit is in a safe condition.
9. When completing a maintenance or service function, make sure all safety shields
and devices are installed before placing unit in service.
10. After servicing, be sure all tools, parts and service equipment are removed.
11. Never replace hex bolts with less than grade five bolts unless otherwise specified,
i.e. shear bolts 8.
12. Where replacement parts are necessary for periodic maintenance and servicing,
genuine replacement parts must be used to restore your equipment to original
specifications. The company will not claim responsibility for use of unapproved parts
and/or accessories and other damages as a result of their use.
7
An optional hookup stand to securely support the post hole digger is available upon request. See
Section 3.07.
8
Refer to Table 3 - Torque Specifications, page 28.
MAINTENANCE
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13. Unauthorized modifications to the machine may impair the function and/or safety of
the machine and reduce its life. If equipment has been altered in any way from
original design, the manufacturer does not accept any liability for injury or warranty.
4.02 - Service
The chart below gives the frequency of lubrication in hours, based on normal operating
conditions. Severe or unusual conditions may require more frequent lubrication.
Use a good quality SAE multipurpose type grease for all locations shown. Be sure to
clean fittings thoroughly before using grease gun.
Use 90 wt. gear oil in gearbox. Replace the gearbox oil after the first 200 hours of use.
During operation, listen for abnormal sounds which might indicate loose parts,
damaged bearings, or other damage.
Replace immediately any damaged or missing safety shields.
Every 8 hours:
1. Clean foreign material from post hole digger.
2. Inspect the auger’s cutting teeth and auger point for excessive wear. The amount of
wear will depend on the soil type and soil condition.
3. Clean the auger teeth and point to insure a longer machine life.
4. Lubricate the driveline: Apply two or three shots of grease to the driveline cross
and bearings.
5. Maintain driveline shear bolt at all times. A faulty shear bolt can inflict extreme
damage to the implement. A grade 2 shear bolt that measures ¼”x2½” should
always be used on model 100-512. A grade 2 shear bolt that measures 3/8”x3”
should always be used on models 200-512, 300-512, and 400-512. Never replace
the shear bolt with any bolt longer or of a harder grade.
6. Gearbox oil level: Check the oil by removing the oil plug on the back side of the
gearbox casing. The oil should be up to the bottom threads of the hole. Gearbox oil
level should be between 1/2 and 2/3 full. If needed add SAE 90 wt. gear oil.
Every 25 hours:
1. Check hardware tightness; vibrations can loosen bolts. Check tightness of the
hardware periodically, using Table 3 as a guide 9.
2. Check for loose, worn or damaged teeth and point.
9
See Table 3, Torque Specifications, page 28.
MAINTENANCE
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4.03 - Driveline
DANGER: Use only the driveline supplied with the post hole digger. Do not use it
if it is missing any shield or safety protection. Never replace the shear bolt or
auger retaining bolt with any length other than what is specified in this manual. A
longer or protruding fastener is more likely to grab loose clothing or gloves,
which can result in serious injury or death. Carefully read and file away the
driveline operator’s manual supplied by the manufacturer. The following does not
substitute the information found in the driveline manual.
CAUTION: This machine is equipped with a shear bolt for the protection of the
PTO and gearbox. Never replace the shear bolt with anything harder than a grade
2 bolt. All warranties will be void if a bolt harder than a grade 2 is used.
IMPORTANT: Always check driveline length during initial setup and when connecting to
a different tractor.
In the collapsed position the driveline should be approximately 2” from bottoming out to
prevent possible damage to the tractor or implement. When the driveline is in the
maximum extended position, the ideal minimum overlap of the two halves should be
approximately 6” (see fig. 9).
Fig. 9
min. 6"
MAX.
min. 2"
MIN.
MAINTENANCE
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To determine if the driveline is the correct length for your tractor proceed as follows:
1. Separate the two driveline halves. Connect outer driveline yoke to tractor PTO and
inner driveline yoke to post hole digger gearbox.
2. Raise the implement (without the auger attached) with the 3 point hitch to find
highest working position. Hold half shafts side by side. At that point the driveline
should have at least 6” of overlap. If not, do not use and contact your dealer.
3. Then lower the implement to the lowest working position. Hold the half shafts side
by side. At that point the driveline should be at least 2” from bottoming out. If not,
mark desired lengths on both shafts. Remove drivelines from implement and tractor.
4. Shorten both metal drive tubes the same amount.
5. Cut both guard tubes 1.5” shorter than the metal drive tubes.
6. De-burr and clean filings from drive tubes and apply grease to outside of inner metal
drive tube.
7. Reassemble the driveline halves and connect to tractor and implement.
8. Install both driveline safety chains. One should be hooked in a hole on the outer
driveline yoke shield and to the tractor to restrict outer shield rotation. The second
one should be hooked in a hole on the inner driveline yoke shield and to the post
hole digger to restrict inner shield rotation.
9. Raise and lower implement again to be sure driveline does not bottom out in its
shortest position and has a minimum overlap of 6” in the longest position.
CAUTION: Always work with the driveline as straight as possible. This will
prolong its life and that of its components. It is advised not to work at an angle
greater than 15 degrees.
TABLE 1 - POST HOLE DIGGERS - TECHNICAL FEATURES
Series Mole, for tractors up to 90 HP, PTO 540 rpm, 3 point hitch cat. 1*
Model
HP
Weight lb.
Boom OD
Yoke OD
Auger rpm
Gear ratio
Driveline
1 3/8”
100-512
18-25
112
2 7/8”
2 3/8”
180
3:1
ASAE 2nd cat.
200-512
18-40
200
3 1/2”
2 7/8”
180
3:1
ASAE 3rd cat.
300-512
18-50
230
3 1/2”
2 7/8”
154
3.5:1
ASAE 3rd cat.
400-512
18-90
260
3 1/2”
2 7/8”
135
4:1
ASAE 3rd cat.
* Cat. 1 & 2 on the Mole 300 and 400.
Note: Both the Mole 300 and 400 have reinforced booms and yokes.
MAINTENANCE
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TABLE 2 - AUGERS - TECHNICAL FEATURES
Series 531 Augers
Model
Weight lb.
Size
Length
Flighting type
Flighting
thickness
Recommended for models
106-531
24
6”
109-531
42
9”
36”
single
3/16”
100-512
36”
double
3/16”
100-512
112-531
52
206-531
32
12”
36”
double
3/16”
100-512
6”
48”
single
3/16”
200-512, 300-512 & 400-512
209-531
55
9”
48”
double
3/16”
200-512, 300-512 & 400-512
212-531
75
12”
48”
double
3/16”
200-512, 300-512 & 400-512
218-531
80
18”
48”
double
1/4”
300-512 & 400-512
224-531
105
24”
48”
double
1/4”
300-512 & 400-512
230-531
213
30”
44”
double
5/16”
300-512 & 400-512
TABLE 3 - TORQUE SPECIFICATIONS
Metric (ISO)
treaded
bolts head
marking
Bolt
size
mm
Thread
mm
Class 5.8
N.m
ft-lb
Class 8.8
N.m
ft-lb
Class 10.9
N.m
Grade 2
Grade 5
Grade 8
Bolt
size
inch
Thread
inch
tpi
N.m
ft-lb
N.m
ft-lb
N.m
ft-lb
1/4”
1/4”
5/16”
5/16”
3/8”
3/8”
7/16”
7/16”
1/2”
1/2”
9/16”
9/16”
5/8”
5/8”
3/4”
3/4”
7/8”
7/8”
1”
1”
1-1/8”
1-1/8”
1-1/4”
1-1/4”
1-3/8”
1-3/8”
1-1/2”
1-1/2”
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
9
14
8
12
7
12
7
12
6
12
6
12
7
8
15
17
27
31
43
48
66
75
95
106
132
149
233
261
226
249
339
371
480
539
677
750
888
1011
1179
1326
5
6
11
13
20
23
32
36
48
55
70
79
97
110
172
192
167
184
250
273
354
397
500
553
655
746
869
978
11
13
24
26
42
47
67
75
102
115
147
164
203
230
361
403
582
642
873
955
1077
1208
1519
1682
1992
2268
2643
2974
8
10
17
19
31
35
49
55
75
85
109
121
150
170
266
297
430
473
644
704
794
891
1120
1241
1469
1673
1949
2194
16
19
33
37
59
67
95
106
144
163
208
232
287
325
509
569
822
906
1232
1348
1746
1958
2463
2728
3230
3677
4286
4823
12
14
25
27
44
49
70
78
106
120
154
171
212
240
376
420
606
668
909
995
1288
1445
1817
2012
2382
2712
3161
3557
ft-lb
M5
0.8
4
3
6
4
9
7
M6
1
6
4
10
7
15
11
M8
1.25
16
12
25
18
36
27
M8
1
17
13
26
19
38
28
M10
1.5
31
23
48
35
71
52
M10
1.25
33
24
51
38
75
55
M10
1
35
26
53
39
78
58
M12
1.75
54
40
84
62
123
91
M12
1.5
56
41
87
64
128
94
M12
1.25
59
44
90
66
133
98
M14
2
84
62
133
98
195
144
M14
1.5
94
69
142
105
209
154
M16
2
131
97
206
152
302
223
M16
1.5
141
104
218
161
320
236
M18
2.5
181
133
295
218
421
310
M18
2
196
145
311
229
443
327
M18
1.5
203
150
327
241
465
343
M20
2.5
256
189
415
306
592
437
M20
1.5
288
212
454
335
646
476
M22
2.5
344
254
567
418
807
595
M22
1.5
381
281
613
452
873
644
M24
3
444
327
714
526
1017
750
M24
2
488
360
769
567
1095
808
M27
3
656
484
1050
774
1496 1103
M27
2
719
530
1119
825
1594 1176
M30
3.5
906
668
1420 1047 2033 1499
M30
2
1000
738
1600 1180 2250 1659
M36
4
1534 1131 2482 1830 3535 2607
When using lock washers with nuts, increase torque values by 5%
.
MAINTENANCE
Inch (SAE)
treaded
bolts head
marking
28
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5 - REPAIR PROCEDURES
CAUTION: All repair procedures must be done by authorized dealerships. It is not
recommended that untrained individuals perform any repair work. The following
operations are detailed for qualified personnel only.
5.01 - Shear Bolt Replacement
To replace a broken shear bolt proceed as follows:
1. Remove plastic cap on gearbox guard.
2. Remove broken shear bolt.
3. Install a new shear bolt and nut. Use a 3/8”x3” grade 2 shear bolt (on the 200-512,
300-512, and 400-512) or a ¼”x2½” grade 2 shear bolt (on the 100-512).
4. Tighten shear bolt and nut.
5. Ensure that the safety set screw is properly installed on PTO shaft and into the
groove of the input shaft of the gearbox.
6. Replace plastic cap on gearbox guard.
DANGER: Use only the driveline supplied with the post hole digger. Do not use it
if it is missing any shield or safety protection. Never replace the shear bolt or
auger retaining bolt with any length other than what is specified in this manual. A
longer, or protruding, fastener is more likely to grab loose clothing or gloves,
which can result in serious injury or death.
CAUTION: This machine is equipped with a shear bolt for the protection of the
PTO and gearbox. Never replace the shear bolt with anything harder than a grade
2 bolt. All warranties will be void if a bolt harder than a grade 2 is used.
5.02 - Suggested Spare Parts
It is suggested that the following spare parts be kept on hand for the post hole digger at
all times to prevent a minor problem from delaying work.
REPAIR PROCEDURES
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Description
Auger point
Auger teeth
Shear bolt
Hanger pin
Quantity
1
4
3
1
5.03 - Storage
After seasonal use it is important to perform the following for prolonged storage:
1. Wash the post hole digger and auger carefully.
2. Inspect the machine and replace worn or damaged parts.
3. Tighten all hardware.
4. Grease or oil all areas indicated under Maintenance 10.
5. Coat the auger with grease to prevent rust.
6. Cover the post hole digger and auger from the elements in order to have it in perfect
condition for the start of the next season.
7. Do not permit children to play on or around the stored unit.
8. Do not park or store equipment where it will be exposed to livestock for long periods
of time. Damage and livestock injury could result.
9. Make sure all parked machines are on a hard, level surface, and engage all safety
devices.
10
See Chapter 4 - Maintenance.
REPAIR PROCEDURES
30
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6 - TROUBLESHOOTING
WARNING: Be sure tractor engine is off, parking brake is locked, and key is
removed before making any adjustments.
PROBLEM
POSSIBLE CAUSE
Auger won’t dig.
Dull or worn teeth.
Dry or hard ground.
SOLUTION
Replace teeth.
Add water to location where hole
is desired.
Auger turning rapidly and
Reduce engine speed and never
bouncing around.
operate above 540 rpm.
Auger is being held by rocks Remove auger from hole and
and other interference.
check auger.
Shear bolt broken.
Replace shear bolt.
Auger won’t dig deep Something may be
Remove digger from hole and
enough.
interfering with the
lower to the ground. The gearbox
downward motion of the
should be able to touch the
digger. Most likely the
ground. If not remove driveline and
driveline may be too long.
shorten. Always maintain a
minimum of 6” overlap of the PTO
shafts.
Auger screws itself
The 3 point hitch was not
Remove from hole and begin
into the
lowered to the ground slow again but lower the 3 point to the
ground.
enough.
ground slowly.
Tractor is too small to
Use a larger tractor.
handle digger.
Remove from hole and carefully
Faulty 3 point hitch on the
remove the digger from the tractor
tractor.
Have the tractor serviced at your
tractor dealership.
Drive shaft falls off
Set screw may be loose or Check set screw and replace or
gearbox when
missing off of drive shaft.
tighten as needed.
shear bolt breaks.
TROUBLESHOOTING
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7 - PRE-DELIVERY CHECKLIST
To the dealer: Inspect the machine thoroughly after assembly to assure it is
functioning properly before delivering it to the customer. The following checklist
is a reminder of points to cover. Check off each item as it is found satisfactory or
after proper adjustment is made.
Gearbox oil level.
Guards and shield properly fastened.
Lubrication of grease fittings.
All hardware properly tightened.
All decals properly located and readable (see fig. 2).
Overall condition (touch up scratches, clean and polish).
Test run, check for excessive vibrations or overheating of bearings.
Operator’s Manual.
Review the Operator’s Manual with the customer. Explain the following:
Warranty.
Safe operation and service.
Correct machine installation and operation.
Daily and periodic lubrication, maintenance and inspections.
Troubleshooting
Operational procedures and storage.
Parts and service.
Remove and fill out the Pre- Delivery Checklist and Warranty Registration form.
Give customer the Operator’s Manual and encourage the customer to read the
manual carefully.
IMPORTANT: Warranty is not valid unless Pre-Delivery Checklist and Warranty
Registration form in Operator’s Manual is completed in detail and mailed to the
Company.
Model Number:
Serial Number:
Delivery Date:
Dealer’s Signature:
PRE-DELIVERY CHECKLIST
32
BEFCO
OPERATOR’S M ANUAL
MOLE
8 - WARRANTY
BEFCO’s responsibility will be limited to substitution of the acknowledged defective
merchandise to the same place of delivery as the previous one was supplied.
1. LIMITED WARRANTY
BEFCO, Inc. herein referred to as the Company, warrants its machines and related
accessories, hereafter referred to as the Machine, to be free from defects in material
and workmanship, for a period of twelve (12) months from the date of invoice to the first
registered owner; this limited warranty does not apply to common wear items and
excludes belts, shear pins, oil, grease, tires, tubes, hydraulic hoses, knives and PTO
shafts.
Labor will be reimbursed at $40.00 per hour based on BEFCO’s time schedule.
Cost of transport to the servicing dealer is the responsibility of the customer.
Warranty coverage shall not be transferable from the first owner to any subsequent
owner.
2. DISCLAIMER OF ALL OTHER WARRANTIES AND REMEDIES
Neither the Company nor any company affiliated with the Company makes any
warranties, representations or promises, expressed or implied, as to the quality,
performance or application of its products other than those set forth herein and
does not make any implied warranty of merchantability or fitness.
The only remedies the purchaser has in connection with the breach, or
performance of any warranty on the Company’s Machine are those set forth
herein. In no event will the dealer, the Company, or any company affiliated with
the Company, be liable for:
a. Injuries or damages of any kind or nature, direct, consequential or
contingent to person or property.
b. Any expenses incurred by the owner to repair, replace or rework any
allegedly defective item.
c. Any loss, cost, forfeiture or damages (including loss of profits; loss of
crops; loss because of delay in field operations; any expenses or loss
incurred for labor, supplies, substitute machine rental; liabilities of the
owner to its customers or third persons; and all other consequential
damages, losses, liabilities or damages for any other reasons) whether
direct or indirect, and whether or not resulting from or contributed to by the
default or negligence of the Company, its agents, employees and
subcontractors which might be claimed as a result of the use or failure of
the equipment delivered.
The Company’s liability based on this limited warranty or any other applicable
laws shall be limited to replacement or refund of the purchase price of the
product.
The limited warranty extended herein gives you specific rights and you may also
have other rights which vary from state to state. Neither the dealer nor the
Company personnel has the authority to make any representation or to modify
the terms and limitations of this warranty in any way.
WARRANTY
33
BEFCO
OPERATOR’S M ANUAL
MOLE
Other than the limited warranty extended hereby there is no other expressed
warranty in connection with the design, safety or use of any of the Company’s
products except as to title. All implied warranties are expressly disclaimed
pursuant to the terms of this warranty.
3. CUSTOM WORK
If the Machine is used for commercial purposes such as custom work, the period
warranted for the Machine is limited to six (6) months from the date of delivery to the
first registered owner and does not cover any labor charges incurred.
4. RENTAL
If the Machine is used for rental purposes the period warranted for the Machine is
limited to thirty (30) days from the date of delivery to the first registered owner and does
not cover any labor charges incurred.
5. REGISTRATION
In order to qualify for coverage on this limited warranty, the product and name of the
original purchaser must be registered with the Company by a completed Machine
Pre-Delivery Checklist and Warranty Registration along with a copy of the dealer’s
invoice to the first registered owner to the Company within fourteen (14) days after the
date of delivery to the original purchaser.
6. WARRANTY SERVICE
Warranty Service must be performed by a dealer authorized by BEFCO. If the warranty
service requested is approved, the owner shall pay only for labor beyond the rate
allowed, for overtime labor, and for any mileage charge for transporting the equipment
to and from the dealer’s shop. It is assumed that the dealer has the appropriate general
and special tools to service the Machine. Time required for replacement of knives, oil,
grease and to remove excessive dirt from the Machine is not subject to reimbursement
by the Company. The owner is required to clean the Machine before presenting it to the
dealer for service work. The Machine must be delivered within thirty (30) days after
failure date by the owner to the dealer to be eligible for warranty consideration.
7. UNAPPROVED SERVICE OR MODIFICATION
All obligations of the Company under this limited warranty shall be terminated if:
a. Proper service and operation instructions as outlined in the Operator’s Manual
and on the instruction sticker on the Machine, are not followed.
b. The Machine is modified or altered in any way not approved by the Company.
c. The Company does not receive a copy of the dealers invoice to the first
registered owner within fourteen (14) days from the date of delivery.
d. The Company has not been paid in full, by the dealer, for the Machine.
8. ACCIDENTS AND NORMAL MAINTENANCE
This limited warranty covers defective material and workmanship. It does not cover
depreciation or damage caused by normal wear, accidents, improper maintenance,
improper protection or improper use. The costs of normal maintenance or repairs for
accidents or improper use, and related labor will be borne by the owner.
9. REPLACEMENT PARTS
BEFCO, Inc. warrants replacement parts to be free from defect in material and
workmanship for a period of thirty (30) days from the date of delivery to the original
purchaser.
WARRANTY
34
BEFCO
WARRANTY REGISTRATION
BEFCO, Inc.
P.O. Box 6036
Rocky Mount, NC 27802-6036
Dealer
Country
Town
State
Date of delivery
Model #
Retail Customer
Acct. #
Street
Tel: (252) 977.9920 - Fax: (252) 977.9718
Street
Zip
Invoice #
Town
State
Zip
Phone
Serial #
Pre-Delivery Checklist:
Tractor make:
Model:
; HP
Type of operation: Private homeowner,
Landscaping, Commercial maintenance, Golf
Course, Municipality, Turf Farm, others:
Oil in gearbox.
Greased fittings.
Safety guards in place.
All hardware tight.
Bolts torqued correctly.
Attached unit to tractor. Yes/No.
Field adjusted.
Yes/No.
Test run.
Dry/Infield.
Safety decals.
Operator’s Manual.
Approximate number of acres machine will be
used on annually:
I hereby acknowledge that:
I have received and accepted delivery of the
machine described.
The machine described above, had been The equipment was checked thoroughly for
prepared for delivery according to the loose or missing parts and has been adjusted
Pre-Delivery Checklist and the Customer has in accordance with the Pre-Delivery Checklist.
been instructed in its care and operation and I have read and understand the nature and
extent of the warranty and understand clearly
the condition of warranty.
that there were and are no other
representations of warranties either expressed
or implied, made by anyone. I have been
advised on proper operation, maintenance and
lubrication procedure of this equipment.
I have been instructed on and do understand
the application, limitation and capacities this
equipment was designed and recommended
for, all as described in the Operator’s Manual
and literature published by the Company.
Inspected by:
Date:
Date:
Dealer’s Signature:
Customer’s Signature:
This registration along with a copy of the invoice must be sent to BEFCO, Inc.
within 14 days of date of purchase.
Sender:
Fold here
BEFCO, Inc.
Warranty Department
P.O. Box 6036
Rocky Mount, NC 27802-6036
f
Cut along this line
Place stamp
here
BEFCO
®
Parts Manual
MOLE
Post Hole Diggers
100-512, 200-512, 300-512 & 400-512
BEFCO MOLE 100, 200, 300, 400 (US)
May 16, 2009
Parts Manual 05/2009
100-512 Ver. A
200-512, 300-512, 400-512
MOLE
PARTS M ANUAL
05/2009
FRAME 100-512
38
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
1
2
3
4
FRAME 100-512
5
6
7
8
9
Part #
503-807B
501-544B
001-8266
503-808B
001-8511
503-869B
001-5122
000-1077
000-1106
003-0064
10
11
12
002-604B
009-1495
001-5255
13
106-531
109-531
112-531
501-540B
14
15
16
17
18
19
20
501-541B
503-928B
001-8038
001-8530
160-5021
160-5017
000-6647
950-356B
950-109B
950-222B
950-223B
950-224B
950-212B
950-213B
950-360B
950-106B
950-381B
950-316B
960-125B
11
Description
Boom assembly Mole 100-512
Pin 1”x6”
Lynch pin
Yoke cat. 0/1; #277281 & below 11
Yoke cat. 1; #277282 & above
Bolt 5/16”x3/4”
Bolt M12x90
Lock Washer M12
Hex nut M12
Stover nut M12
6” Auger
9” Auger
12” Auger
Hitch pin bushing cat. 0/1; # 277281 & below
Bolt M12x80
Bolt M12x30
6” Auger
9” Auger
12” Auger
6” Single flight auger complete 36”
9” Double flight auger complete 36”
12” Double flight auger complete 36”
Cutting knife
6” Auger
9” Auger
12” Auger
Auger point - standard
Auger point - fish tail (option)
Gearbox guard
Auger guard
Flat washer 5/16”
Lock washer 5/16”
Cap
Qty.
1
1
1
1
1
8
2
2
2
2
3
5
2
1
1
2
4
1
1
1
1
2
4
1
1
1
1
8
8
3
Safety decal set post hole digger
Decal “DANGER - Avoid injury from PTO”
Decal “DANGER - Rotating parts hazard”
Decal “DANGER - To prevent serious injury or death #1”
Decal “DANGER - To prevent serious injury or death #2”
Decal “DANGER - Rotating auger, stay away”
Decal “DANGER - Replace shields before using”
Decal “DANGER - Guard missing do not operate”
Decal “BEFCO” small
Decal “BEFCO INC” address
Decal “100”
Operator’s & Parts Manual “Mole 100-512, 200-512, 300-512 &
400-512”
1
1
1
1
2
1
1
2
1
1
1
Interchangeable with part #001-8511 if Mole 100 is used on a tractor with a cat. 1 hitch.
PARTS M ANUAL
05/2009
OPERATOR’S M ANUAL
39
BEFCO
MOLE
PARTS M ANUAL
01/2008
GEARBOX 100-512
40
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
GEARBOX 100-512
Part #
503-768B
002-5332
003-0211
503-769B
002-5329
004-2122
503-780B
503-435B
000-7172
503-781B
503-782B
503-783B
503-784B
009-1446
000-3144
503-785B
503-786B
503-787B
502-259B
503-788B
503-789B
503-428B
503-790B
503-791B
Description
Housing
Bearing 6207
Oil seal 35-72-10
Pinion gear and shaft (10 teeth)
Retaining ring
Retaining ring
Output shaft
Oil seal 35-54-8
Bearing 30207
Shim
Output gear (30 teeth)
Hanger cap gasket (0.10)
Hanger cap gasket (0.25)
Bolt M8x25
Lock washer Ø8
Sealing washer
Hex head plug
Key
Cotter pin Ø5x45
Hanger shaft
Hanger cap
Hex head plug
Output shaft spacer
Roll pin
Qty.
1
2
1
1
1
4
1
1
2
1
6
6
1
1
1
2
1
1
1
1
1
503-745B
Gearbox 540 rpm complete Mole 100-512
-
PARTS M ANUAL
01/2008
OPERATOR’S M ANUAL
41
BEFCO
MOLE
PARTS M ANUAL
04/2009
DRIVELINE 100-512
42
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
DRIVELINE 100-512
Part #
1022010C
1002020C
1942084NC
1952086NC
1072041C
1782210C
1784201C
1784203C
1784212C
1773082C
1872082C
1006065C
1213233C
1784202C
1782211C
90SS2082C
950-463B
950-464B
503-425B
501-568B
503-758B
Description
PTO yoke (tractor end)
Cross & bearing
Outer tube
Inner tube
PTO yoke (implement end)
Outer locking ring
Outer tube rigid cone
Standard cone
Pin
Female tube shield
Male tube shield
Chain
Stiffening ring
Inner tube rigid cone
Inner locking ring
Complete shielding
Decal “DANGER - Rotating driveline, keep away” outer shield
Decal “DANGER - Guard missing, do not operate” outer tube
Hex nut ¼”
Set screw ¼”
Shear bolt with nut ¼“x2.5” grade 2
Qty.
1
2
1
1
1
1
1
2
2
1
1
2
2
1
1
1
1
1
1
1
1
948-853B
Driveline complete Mole 100-512
-
PARTS M ANUAL
04/2009
OPERATOR’S M ANUAL
43
BEFCO
MOLE
PARTS M ANUAL
01/2008
FRAME 200-512, 300-512 & 400-512
44
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
FRAME 200-512, 300-512 & 400-512
Part #
501-534B
501-700B
503-739B
501-544B
001-8266
501-535B
501-701B
501-702B
503-698B
001-5122
502-868B
003-0064
503-869B
009-1495
001-5122
001-5255
206-531
209-531
212-531
218-531
224-531
230-531
501-540B
501-541B
503-928B
001-8038
001-8032
000-1077
000-1106
160-5021
160-5017
000-6647
001-8010
PARTS M ANUAL
01/2008
Description
Boom Assembly Mole 200-512
Boom Assembly Mole 300-512
Boom Assembly Mole 400-512
Pin 1”x6”
Lynch pin
Yoke Mole 200-512
Yoke Mole 300-512 & 400-512
Hitch pin - cat. 1-2 Mole 300-512 & 400-512
Bolt 5/16”x2¼” Mole 300-512 & 400-512
Bolt M12x90
Nylock nut 5/16” Mole 300-512 & 400-512
Stover nut M12
6” Auger
9” Auger
12” Auger
18” Auger
24” Auger
30” Auger
Bolt 5/16”x¾”
Bolt M12x80
Bolt M12x90 (30” Auger only)
Bolt M12x30
6” Auger
9” Auger
12” Auger
18” Auger
24” Auger
30” Auger
6” Single flighted auger complete 48”
9” Double flighted auger complete 48”
12” Double flighted auger complete 48”
18” Double flighted auger complete 48”
24” Double flighted auger complete 48”
30” Double flighted auger complete 44”
Cutting knife
6” Auger
9” Auger
12” Auger
18” Auger
24” Auger
30” Auger
Auger point - standard
Auger point - fish tai l (option)
Gearbox guard
Auger guard
Lock washer Ø12
Hex nut M12
Flat washer 5/16”
Lock washer 5/16”
Cap
Bushing cat. 2-1
45
OPERATOR’S M ANUAL
Qty.
1
1
1
1
1
1
1
2
2
2
2
2
3
5
7
9
13
8
1
1
1
2
4
6
8
12
1
1
1
1
1
1
1
2
4
6
8
12
1
1
1
1
2
2
8
8
3
1
BEFCO
MOLE
PARTS M ANUAL
01/2008
FRAME 200-512, 300-512 & 400-512
46
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
FRAME 200-512, 300-512 & 400-512
Part #
950-356B
950-109B
950-222B
950-223B
950-224B
950-212B
950-213B
950-360B
950-107B
950-381B
950-328B
950-327B
950-371B
960-125B
PARTS M ANUAL
01/2008
OPERATOR’S M ANUAL
Description
Safety decal set post hole digger
Decal “DANGER - Avoid injury from PTO”
Decal “DANGER - Rotating parts hazard”
Decal “DANGER - To prevent serious injury or death #1”
Decal “DANGER - To prevent serious injury or death #2”
Decal “DANGER - Rotating auger, stay away”
Decal “DANGER - Replace shields before using”
Decal “DANGER - Guard missing do not operate”
Decal “BEFCO” medium
Decal “BEFCO INC” address
Decal “200”
Decal “300”
Decal “400”
Operator’s & Parts Manual “Mole 100-512, 200-512, 300-512 &
400-512”
47
Qty.
1
1
1
1
2
1
1
2
1
1
1
1
1
BEFCO
MOLE
PARTS M ANUAL
01/2008
GEARBOX 200-512, 300-512 & 400-512
48
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
GEARBOX 200-512, 300-512 & 400-512
Part #
502-272B
502-248B
503-725B
502-273B
502-249B
503-733B
502-274B
502-250B
503-735B
502-251B
502-252B
502-275B
502-253B
503-736B
502-276B
502-254B
503-728B
502-277B
502-255B
503-729B
000-1280
000-1278
502-257B
502-258B
502-259B
502-278B
502-260B
503-727B
004-2122
002-5329
003-0211
502-281B
502-265B
503-731B
502-266B
002-5332
000-4539
502-269B
502-270B
Description
Housing 200-512
Housing 300-512
Housing 400-512
Output shaft 200-512
Output shaft 300-512
Output shaft 400-512
Output bearing spacer 200-512
Output bearing spacer 300-512
Output bearing spacer 400-512
Gear adjusting shim (0.30)
Gear adjusting shim (0.50)
Output gear (33 teeth) 200-512
Output gear (38 teeth) 300-512
Output gear (44 teeth) 400-512
Output cap gasket (0.10) 200-512
Output cap gasket (0.10) 300-512
Output cap gasket (0.10) 400-512
Output cap gasket (0.25) 200-512
Output cap gasket (0.25) 300-512
Output cap gasket (0.25) 400-512
Lock washer Ø10
Bolt M10x30
Pipe plug ½”
Hanger shaft
Cotter pin
Hanger cap 200-512
Hanger cap 300-512
Hanger cap 400-512
Retaining ring
Retaining ring
Oil seal 35-72-10
Pinion gear and shaft (11 teeth) 200-512
Pinion gear and shaft (11 teeth) 300-512
Pinion gear and shaft (11 teeth) 400-512
Bearing spacer
Bearing 6207
Bearing 30210
Retaining ring
Output seal 50x70x12
Qty.
1
1
1
1
1
1
1
1
1
1
1
1
8
8
2
1
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
502-282B
502-271B
503-724B
Gearbox 540 rpm complete Mole 200-512
Gearbox 540 rpm complete Mole 300-512
Gearbox 540 rpm complete Mole 400-512
-
PARTS M ANUAL
01/2008
OPERATOR’S M ANUAL
49
BEFCO
MOLE
PARTS M ANUAL
04/2009
DRIVELINE 200-512, 300-512 & 400-512
50
OPERATOR’S M ANUAL
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
DRIVELINE 200-512, 300-512 & 400-512
Part #
1023010C
1003020C
1943107NC
1953109NC
1073040C
1784210C
1784201C
1784203C
1784212C
1773105C
1872105C
1006065C
1213233C
1784202C
1784211C
90SS4105C
950-463B
950-464B
503-425B
501-568B
503-254B
Description
PTO yoke (tractor end)
Cross & bearing
Outer tube
Inner tube
PTO yoke (implement end)
Outer locking ring
Outer tube rigid cone
Standard cone
Pin
Female tube shield
Male tube shield
Chain
Stiffening ring
Inner tube rigid cone
Inner locking ring
Complete shielding
Decal “DANGER - Rotating driveline, keep away” outer shield
Decal “DANGER - Guard missing, do not operate” outer tube
Hex nut ¼”
Set screw ¼”
Shear bolt and nut 3/8”x3” grade 2
Qty.
1
2
1
1
1
1
1
2
2
1
1
2
2
1
1
1
1
1
1
1
1
050-0452
Driveline complete Mole 200-512, 300-512 & 400-512
-
PARTS M ANUAL
04/2009
OPERATOR’S M ANUAL
51
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DOWN PRESSURE KIT FOR 200-512 (OPTION)
Part #
503-824B
503-953B
503-954B
502-447B
503-829B
503-828B
503-823B
503-826B
503-825B
502-170B
502-169B
503-700B
190-2056
502-418B
503-833B
503-834B
503-835B
001-8266
503-832B
503-442B
503-863B
950-408B
Description
Hydraulic cylinder
Breather plug w/o-ring
Mounting plate 200-512
Grease fitting
Hydraulic bushing ½” fp x ¾” mp o-ring adapter
90° Elbow ½” mp x ½” mp
Relief valve
Hydraulic hose 3/8”x40” w/fittings ½” mp x ½” mp
Hydraulic hose ¼”x40” w/fittings ½” mp x 3/8” mp
½” Quick connector nipple ½” fp
Hydraulic bushing ½” mp x 3/8” fp
Hex bolt ½”x1¾”
Lock washer ½”
Hex nut ½”
Pin ¾”x3”
“R” clip
Pin ¾”x37/8”
Lynch pin
Pin 1”x9¾”
Cotter pin
Support
Decal “ WARNING - High pressure hydraulic oil leaks ”
Qty.
1
1
2
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
2
1
1
PHD-005
Hydraulic down pressure kit complete (Mole 200-512)
-
PARTS M ANUAL
01/2008
OPERATOR’S M ANUAL
52
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DOWN PRESSURE KIT FOR 300-512 & 400-512 (OPTION)
Part #
503-824B
503-953B
503-845B
502-447B
503-829B
503-828B
503-823B
503-826B
503-825B
502-170B
502-169B
503-700B
190-2056
502-418B
503-833B
503-834B
503-835B
001-8266
503-832B
503-442B
503-863B
950-408B
Description
Hydraulic cylinder
Breather plug w/o-ring
Mounting plate 300-512 & 400-512
Grease fitting
Hydraulic bushing ½” fp x ¾” mp o-ring adapter
90° Elbow ½” mp x ½” mp
Relief valve
Hydraulic hose 3/8”x40” w/fittings ½” mp x ½” mp
Hydraulic hose ¼”x40” w/fittings ½” mp x 3/8” mp
½” Quick connector nipple ½” fp
Hydraulic bushing ½” mp x 3/8” fp
Hex bolt ½”x1¾”
Lock washer ½”
Hex nut ½”
Pin ¾”x3”
“R” clip
Pin ¾”x37/8”
Lynch pin
Pin 1”x9¾”
Cotter pin
Support
Decal “ WARNING - High pressure hydraulic oil leaks ”
Qty.
1
1
2
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
2
1
1
PHD-002
Hydraulic down pressure kit complete (Mole 300-512 & 400-512)
-
PARTS M ANUAL
01/2008
OPERATOR’S M ANUAL
53
BEFCO
MOLE
Ref.
1
2
3
4
5
6
7
8
9
10
11
12
13
HOOKUP STAND (OPTION)
Part #
001-8100
001-8107
001-8110
001-8114
011-8114
005-4422
001-8120
001-8125
003-4286
000-2265
003-0064
009-1495
005-2872
Description
Stand base
Long bending tube
Support tube
Pin
Pin
Cotter pin Ø2.5
Short bending tube
Gearbox support tube
Bolt M12x100
Flat washer Ø12
Nut M12
Bolt M12x80
Driveline hook
Qty.
1
1
1
1
3
4
1
1
1
4
2
1
1
009-9851
Hookup stand complete
-
PARTS M ANUAL
01/2008
OPERATOR’S M ANUAL
54
BEFCO
MOLE
Ref.
1
2
3
4
5
POSITIONING HANDLE (OPTION)
OPERATOR’S M ANUAL
Part #
503-876B
503-969B
503-970B
000-6349
000-1279
Description
Handle grip
Handle tube
Gearbox mounting plate
Bolt M10x20
Nut M10
Qty.
1
1
1
1
1
PHD-003
Positioning handle complete
-
Use only original spare parts
All rights reserved. It is unlawful to copy, reprint or use any of the information or details in this manual
without the expressed written permission of the Company. Technical information provided in this
manual is approximate, the Company reserves the right to modify or improve the models shown for
technical or commercial purposes. Pictures in this manual do not necessarily show the machine as
delivered.
PARTS M ANUAL
01/2008
55
BEFCO
BEFCO MOLE 100, 200, 300, 400 (US)
Printed in the USA, May 16, 2009
®
P.O. Box 6036
Rocky Mount, NC 27802-6036
Tel.: 252.977.9920 - Fax: 252.977.9718
www.befco.com
®
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