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Index
Operator’s Manual
1205NT End-Wheel, No-Till Drill
Manufacturing, Inc.
www.greatplainsmfg.com
Read the operator manual entirely. When you see this symbol, the
subsequent instructions and warnings are serious - follow without
exception. Your life and the lives of others depend on it!
Illustrations may show optional equipment not supplied with standard unit or
may depict similar models where a topic is identical.
EN
ORIGINAL INSTRUCTIONS
© Copyright 2015
Table of Contents
Printed 10/21/15
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iii
Table of Contents
Important Safety Information.................................................1
Safety Decals ....................................................................6
Introduction...........................................................................11
Description of Unit ...........................................................11
Intended Usage ........................................................11
Models Covered .......................................................11
Document Family .....................................................11
Using This Manual....................................................11
Definitions.................................................................11
Owner Assistance............................................................12
Further Assistance...........................................................12
Preparation and Setup .........................................................13
Hitching Tractor to Drill ....................................................13
Hitch Assembly.........................................................13
Hitch Height Adjustment...........................................14
Hitching to Tractor ....................................................14
Hydraulic Hose Hookup............................................15
Current Style Color-Coded Hose Handles ...............15
Rephasing Cylinders .......................................................16
Bleeding Hydraulics.........................................................16
Leveling Drill ....................................................................17
Operating Instructions .........................................................18
Prestart Checklist ............................................................18
Field Operation ................................................................19
Opener Operation.....................................................19
Marker Operation .....................................................19
Transporting ....................................................................20
Parking ............................................................................21
Adjustments ..........................................................................22
Coulter Adjustments ........................................................22
Coulter Depth Control...............................................22
Coulter Down Pressure Weights ..............................23
Spring Length ...........................................................23
Individual Coulter Adjustment...................................23
Opener Adjustments.................................................24
Opener Seeding Depth.............................................24
Disc Scraper Adjustment..........................................25
Gauge Wheel Idler Adjustment ................................25
Seeding Rate............................................................26
Select Drive Type .....................................................26
Set Seed Rate Handle..............................................26
Position Feed-Cup Doors .........................................27
Check Seed Rate .....................................................27
Equations for calibrating seed rate:..........................27
Seed Rate Chart (pounds per acre) ................................28
Wheat .............................................................................28
Wheat ............................................................................. 28
Rice ................................................................................ 28
Rice ................................................................................ 28
Rice ................................................................................28
Rice ................................................................................28
Barley ............................................................................. 28
Barley ............................................................................. 28
Barley ............................................................................. 28
Oats................................................................................ 28
Seed Rate Chart (con’t.)..................................................29
Rye ................................................................................. 29
Millet ............................................................................... 29
Buck Wheat ....................................................................29
Flax or Sudan ................................................................. 29
Sun ................................................................................. 29
flowers ............................................................................ 29
Soybeans .......................................................................29
Soybeans ....................................................................... 29
Soybeans ....................................................................... 29
Peas ............................................................................... 29
Pinto Beans .................................................................... 29
Alfalfa or Rape................................................................ 30
Milo................................................................................. 30
Wheat Grass .................................................................. 30
Small Seeds Attachment..........................................31
Equations for calibrating seed rate:..........................31
Small Seeds Attachment Seed Rate Chart .....................32
Acremeter Operation............................................................33
Gauge-Wheel Drive Adjustment......................................33
Fertilizer Meter Rate........................................................34
Equations for calibrating seed rate:..........................34
Fertilizer Rate Chart (pounds per acre)...........................35
Marker Adjustments .................................................36
Bleeding Marker Hydraulics .....................................36
Dual Markers with Sequence Valve .........................36
Single/Dual Markers without Sequence Valve .........37
Folding Speed with Sequence Valve .......................38
Folding Speed with Needle Valve ............................38
Marker Disk Adjustment ...........................................39
Marker Width Adjustment.........................................39
Seed Lok Lock Up ...........................................................39
Spring Tine Harrow .........................................................40
© Copyright 1999, 2012, 2015 All rights Reserved
Great Plains Manufacturing, Inc. provides this publication “as is” without warranty of any kind, either expressed or implied. While every precaution has been
taken in the preparation of this manual, Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for
damages resulting from the use of the information contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as
it sees fit. This publication describes the state of this product at the time of its publication, and may not reflect the product in the future.
Trademarks of Great Plains Manufacturing, Inc. include: AccuShot, Max-Chisel, Row-Pro,
Singulator Plus, Short Disk, Swath Command, Terra-Tine, Ultra-Chisel, and X-Press.
Registered Trademarks of Great Plains Manufacturing, Inc. include: Air-Pro, Clear-Shot, Discovator, Great Plains, Land Pride, MeterCone,
Nutri-Pro, Seed-Lok, Solid Stand, Terra-Guard, Turbo-Chisel, Turbo-Chopper, Turbo-Max, Turbo-Till, Ultra-Till, Whirlfilter, and Yield-Pro.
Brand and Product Names that appear and are owned by others are trademarks of their respective owners.
Printed in the United States of America
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Harrow Tine Angle....................................................40
Harrow Frame and Tine Adjustment ........................40
Harrow Chain ...........................................................40
Troubleshooting ...................................................................41
Maintenance and Lubrication ..............................................43
General Maintenance ......................................................43
Folding Marker Breakaway.......................................44
Storage ............................................................................44
Lubrication ............................................................................45
Options ..................................................................................49
Seed Box Agitator ....................................................49
Harrow Attachment...................................................49
Folding Marker .........................................................50
Seed-Lok® Firming Wheels .....................................50
Small Seeds Attachment ..........................................50
Fertilizer Attachment ................................................51
Appendix A - Reference Information ..................................52
Specifications and Capacities..........................................52
Torque Values Chart .......................................................53
Tire Inflation Chart ...........................................................54
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1
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Important Safety Information
Look for Safety Symbol
The SAFETY ALERT SYMBOL indicates there is a
potential hazard to personal safety involved and extra
safety precaution must be taken. When you see this
symbol, be alert and carefully read the message that
follows it. In addition to 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.
Be Aware of Signal Words
Signal words designate a degree or level of hazard
seriousness.
DANGER indicates an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
This signal word is limited to the most extreme situations,
typically for machine components that, for functional
purposes, cannot be guarded.
WARNING indicates a potentially hazardous situation
which, 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
which, if not avoided, may result in minor or moderate
injury. It may also be used to alert against unsafe
practices.
Prepare for Emergencies
▲ Be prepared if a fire starts.
▲ Keep a first aid kit and fire extinguisher handy.
▲ Keep emergency numbers for doctor, ambulance, hospital
and fire department near phone.
Be Familiar with Safety Decals
▲ Read and understand “Safety Decals” on page 6,
thoroughly.
▲ Read all instructions noted on the decals.
▲ Keep decals clean. Replace damaged, faded and illegible
decals.
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Important Safety Information
2
Wear Protective Equipment
Great Plains advises all users of chemical pesticides or
herbicides to use the following personal safety
equipment.
▲ Waterproof, wide-brimmed hat
▲ Waterproof apron.
▲ Face shield, goggles or full face respirator.
▲ Goggles with side shields or a full face respirator is
required if handling or applying dusts, wettable powders,
or granules or if being exposed to spray mist.
▲ Cartridge-type respirator approved for pesticide vapors
unless label specifies another type of respirator.
▲ Waterproof, unlined gloves. Neoprene gloves are
recommended.
▲ Cloth coveralls/outer clothing changed daily; waterproof
items if there is a chance of becoming wet with spray
▲ Waterproof boots or foot coverings
▲ Do not wear contaminated clothing. Wash protective
clothing and equipment with soap and water after each
use. Personal clothing must be laundered separately from
household articles.
▲ Clothing contaminated with certain pesticides must be
destroyed according to state and local regulations. Read
chemical label for specific instructions.
▲ Wear clothing and equipment appropriate for the job.
Avoid loose-fitting clothing.
▲ Prolonged exposure to loud noise can cause hearing
impairment or loss. Wear suitable hearing protection such
as earmuffs or earplugs.
▲ Avoid wearing entertainment headphones while operating
machinery. Operating equipment safely requires the full
attention of the operator.
Avoid High Pressure Fluids
Escaping fluid under pressure can penetrate the skin,
causing serious injury. This planter requires a
Power-Beyond port, which is always under pressure
when the tractor is running.
▲ Avoid the hazard by relieving pressure at other remotes,
and shutting down tractor before connecting,
disconnecting or inspecting hydraulic lines.
▲ Use a piece of paper or cardboard, NOT BODY PARTS, to
check for suspected leaks.
▲ Wear protective gloves and safety glasses or goggles when
working with hydraulic systems.
▲ If an accident occurs, seek immediate medical assistance
from a physician familiar with this type of injury.
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Important Safety Information
3
Use A Safety Chain
▲ Use a safety chain t1o help control drawn machinery
should it separate from tractor draw-bar.
▲ Use a chain with a strength rating equal to or greater than
the gross weight of towed machinery.
▲ Attach chain to tractor draw-bar support or specified
anchor location. Allow only enough slack in chain for
turns.
▲ Replace chain if any links or end fittings are broken,
stretched or damaged.
▲ Do not use safety chain for towing.
Keep Riders Off Machinery
Riders obstruct the operator’s view. Riders could be
struck by foreign objects or thrown from the machine.
▲ Never allow children to operate equipment.
▲ Keep all bystanders away from machine during operation.
Use Safety Lights and Devices
Slow-moving tractors and towed implements can create
a hazard when driven on public roads. They are difficult
to see, especially at night.
▲ Use flashing warning lights and turn signals whenever
driving on public roads.
▲ Use lights and devices provided with implement.
Transport Machinery Safely
Maximum transport speed for implement is 20 mph (32
kph), 13 mph (22 kph) in turns. Some rough terrains
require a slower speed. Sudden braking can cause a
towed load to swerve and upset.
▲ Do not exceed 20 mph. Never travel at a speed which does
not allow adequate control of steering and stopping.
Reduce speed if towed load is not equipped with brakes.
▲ Comply with state and local laws.
▲ Do not tow an implement that, when fully loaded, weighs
more than 1.5 times the weight of towing vehicle.
▲ Carry reflectors or flags to mark planter in case of
breakdown on the road.
▲ Keep clear of overhead power lines and other
obstructions when transporting. Refer to transport
dimensions under “Specifications and Capacities” on
page 52.
▲ Do not fold or unfold the planter while the tractor is
moving.
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Important Safety Information
4
Handle Chemicals Properly
Agricultural chemicals can be dangerous. Improper use
can seriously injure persons, animals, plants, soil and
property.
▲ Read and follow chemical supplier instructions.
▲ Wear protective clothing.
▲ Handle all chemicals with care.
▲ Agricultural chemicals can be dangerous. Improper use
can seriously injure persons, animals, plants, soil and
property.
▲ Inhaling smoke from any type of chemical fire is a serious
health hazard.
▲ Store or dispose of unused chemicals as specified by the
chemical manufacturer.
▲ If chemical is swallowed, carefully follow the chemical
manufacturer’s recommendations and consult with a
doctor.
▲ If persons are exposed to a chemical in a way that could
affect their health, consult a doctor immediately with the
chemical label or container in hand. Any delay could
cause serious illness or death.
▲ Dispose of empty chemical containers properly. By law
rinsing of the used chemical container must be repeated
three times. Puncture the container to prevent future use.
An alternative is to jet-rinse or pressure rinse the
container.
▲ Wash hands and face before eating after working with
chemicals. Shower as soon as application is completed for
the day.
▲ Apply only with acceptable wind conditions. Wind speed
must be below 5 mph. Make sure wind drift of chemicals
will not affect any surrounding land, people or animals.
▲ Never wash out a hopper within 100 feet (30 m) of any
freshwater source or in a car wash.
Shutdown and Storage
▲ Lower planter, put tractor in park, turn off engine, and
remove the key.
▲ Secure planter using blocks and supports provided.
▲ Detach and store planter in an area where children
normally do not play.
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Important Safety Information
5
Tire Safety
Tire changing can be dangerous. Employ trained
personnel using correct tools and equipment.
▲ When inflating tires, use a clip-on chuck and extension
hose long enough for you to stand to one side–not in front
of or over tire assembly. Use a safety cage if available.
▲ When removing and installing wheels, use wheel-handling
equipment adequate for weight involved.
Practice Safe Maintenance
▲ Understand procedure before doing work. Use proper
tools and equipment. Refer to this manual for additional
information.
▲ Work in a clean, dry area.
▲ Lower the planter, put tractor in park, turn off engine,
and remove key before performing maintenance.
▲ Make sure all moving parts have stopped and all system
pressure is relieved.
▲ Allow planter to cool completely.
▲ Disconnect battery ground cable (-) before servicing or
adjusting electrical systems or before welding on
planter.
▲ Inspect all parts. Make sure parts are in good condition
and installed properly.
▲ Remove buildup of grease, oil or debris.
▲ Remove all tools and unused parts from planter before
operation.
Safety At All Times
Thoroughly read and understand the instructions in this
manual before operation. Read all instructions noted on
the safety decals.
▲ Be familiar with all planter functions.
▲ Operate machinery from the driver’s seat only.
▲ Do not leave planter unattended with tractor engine
running.
▲ Do not stand between the tractor and planter during
hitching.
▲ Keep hands, feet and clothing away from power-driven
parts.
▲ Wear snug-fitting clothing to avoid entanglement with
moving parts.
▲ Watch out for wires, trees, etc., when folding and raising
planter. Make sure all persons are clear of working area.
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Important Safety Information
6
Safety Decals
Safety Reflectors and Decals
Your implement comes equipped with all lights, safety
reflectors and decals in place. They were designed to
help you safely operate your implement.
▲ Read and follow decal directions.
▲ Keep lights in operating condition.
▲ Keep all safety decals clean and legible.
▲ Replace all damaged or missing decals. Order new decals
from your Great Plains dealer. Refer to this section for
proper decal placement.
▲ When ordering new parts or components, also request
corresponding safety decals.
To install new decals:
1. Clean the area on which the decal is to be placed.
2. Peel backing from decal. Press firmly on surface,
being careful not to cause air bubbles under decal.
Reflector: Slow Moving Vehicle (SMV)
818-055C
1 total
14007
Reflectors: Red
838-266C
Located on left and right ends;
2 total
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Reflectors: Amber
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Important Safety Information
7
14008
838-265C
Located on left & right ends;
4 total
Warning: Excessive Speed Hazard
818-337C
On top of hitch tube;
2 total
14002
Falling Hazard
818-398C
14003
On top of hitch tube;
1 total
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Important Safety Information
8
Warning: High Pressure Hazard
818-437C
14002
On top of hitch tube;
1 total
Caution: Moving Chain Hazard
818-518C
CAUTION
MOVING CHAIN HAZARD
To prevent serious injury from moving chain:
DO NOT operate with enclosure missing
818-518C REV. B
1 total
14004
Caution: General
818-578C
CAUTION
To Avoid Injury or Machine Damage from improper Tire
Inflation or Torquing of Wheel Bolts:
Maximum inflation pressure of tires is 65 psi.
Torque wheel bolts to 240 lb-ft.
818-578C
On tire rim;
1 total
14005
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Important Safety Information
9
Caution: Transport Hazard
818-584C
14006
2 total
Caution: General Instructions
818-587C
14002
On top of hitch tube;
1 total
Warning: Pinch Point Hazard
818-579C
On each optional marker
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Important Safety Information
10
Caution: Crushing Hazard
818-580C
14564
On each optional marker
Warning: Moving Parts Hazard (Option)
838-265C
On center of optional Small Seeds Box;
1 total
14564
Warning: Moving Parts Hazard (Option)
838-267C
On center of optional Small Seeds Box;
1 total
14009
Warning: Moving Parts Hazard (Option)
838-467C
13734
On center of optional Small Seeds Box;
1 total
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11
Introduction
Great Plains welcomes you to its growing family of new
product owners. This implement has been designed with
care and built by skilled workers using quality materials.
Proper assembly, maintenance and safe operating
practices will help you get years of satisfactory use from
the machine.
Description of Unit
The 1205NT Drill is a 12' grain drill of end wheel design
which couples Great Plains spring mounted coulter with
a straight arm design of our solid stand opener to
achieve no-till drilling capabilities. The end wheel design
keeps the ground-working components in line with the
end wheels for accurate coulter depth and seed
placement over uneven terrain and allows the unit to
follow field curves without side-loading the openers.
14001
Intended Usage
Figure 1
End Wheel, No-Till Drill
This machine is intended to be used primarily for No-Till
drilling. It can easily be adapted for conventional drilling
applications.
Models Covered
Definitions
1205NT-1410
14 row
1205NT-1808
18 row
R
1205NT-1975
19 row
F
1205NT-2007
U
B
D
20 row
L
Right and left as used in this manual are
determined by facing the direction the
machine will travel while in use unless
otherwise stated.
Note:Useful information related to the
preceding topic.
Document Family
150-131m
Owner’s Manual (this document)
150-131p
Parts Manual
150-131q
Pre-Delivery Manual
Using This Manual
This manual will familiarize you with safety, assembly,
operation, adjustment, troubleshooting and
maintenance. Read this manual and follow the
recommendations to help ensure safe and efficient
operation.
Economic or Liability Risk:
Paragraphs in this format present a crucial point of
information related to the current topic. Read and follow
the directions to:
• remain safe
• avoid serious damage to equipment and
• ensure desired field results.
Note: Paragraphs in this format provide useful
information related to the current topic.
Fill out the warranty sheet with the dealer at the time of
purchase. Give the dealer the completed white copy and
send the pink copy to Great Plains. Keep your yellow
copy in the manual for use when corresponding with the
dealer.
This manual is current at printing. Some parts may
change to assure top performance.
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Introduction
12
Owner Assistance
If customer service or repair parts are needed contact
your Great Plains dealer. They have trained personnel,
parts and service equipment specially designed for
Great Plains products.
Your machine’s parts were specially designed and
should only be replaced with Great Plains parts. Always
use the serial and model number when ordering parts
from your Great Plains dealer. The serial number plate
is located on the outside end of the left drill box as
shown in Figure 2.
Further Assistance
Great Plains Manufacturing, Inc. and your Great Plains
dealer want you to be satisfied with your new product. If
for any reason you do not understand any part of this
manual or are otherwise dissatisfied, please take the
following actions first:
16537
Figure 2
Serial Number Plate
1. Discuss the matter with your dealership service
manager. Make sure they are aware of any
problems so they can assist you.
2. If you are still unsatisfied, seek out the owner or
general manager of the dealership.
If your dealer is unable to resolve the problem or the
issue is parts related, please contact:
Great Plains Service Department
1525 E. North St.
P.O. Box 5060
Salina, KS 67402-5060
Or go to www.greatplainsag.com and follow the contact
information at the bottom of your screen for our service
department.
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13
Preparation and Setup
This section will help you prepare your tractor and drill for
use. The drill hitch must be adjusted to match drawbar
height, and the drill control console must be installed in
your tractor.
This section also covers bleeding the drill hydraulics and
making drill frame and box adjustments. As the operator,
you may need to perform these functions after dill repair.
Before operating the drill, check that the hydraulic
systems are free or air, the frame is level, and boxes are
aligned.
Prestart Checklist
1. Read and understand “Important Safety
Information,” page 1.
2. Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
3. Check that all grease fittings are in place and
lubricated. Refer to Lubrication, “Maintenance and
Lubrication,” page 43.
4. Check that all safety labels and reflectors are
correctly located and legible. Replace if damaged.
See Safety Labels, “Important Safety Information,”
page 1.
5. Inflate tires to pressure recommended and tighten
wheel bolts as specified. See “Appendix,” page 52.
Hitching Tractor to Drill
Crushing Hazard:
You may be severely injured or killed by being crushed
between the tractor and drill. Do not stand or place any part
of your body between drill and moving tractor. Stop tractor
engine and set park brake before installing the hitch pin.
Hitch Assembly
1. See Figure 3. Insert upper hitch plate (1) into clevis
hitch (2) with a spacer tube (3) on each side of ball
swivel.
13939
2. Bolt in place with 1 x 5 1/2 inch bolt (4), flat washer
(5) and Nylock nut (6).
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Tongue Height
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Preparation and Setup
14
Hitch Height Adjustment
1. For proper field operation, drill tongue should run
level in field position. See Figure 4.
a. With drill in field position, adjust tongue hack to
level tongue.
b. Measure tractor drawbar height to determine
proper hitch height on drill.
c. Attach hitch to tongue with two 3/4 x 6-inch
bolts (1), lock washers (2) and nuts (3).
Note: Mounting holes in drill hitch are offset so hitch can
be turned over and attached in three different
positions, giving six different hitch heights.
Note: When hitching drill to a different tractor, check for
a difference in drawbar heights. If heights are
different, readjust accordingly.
13940
Figure 4
Hitch Height
Hitching to Tractor
Refer to Figure 5.
1. Back tractor to drill. Using the screw jack, adjust
drill tongue to get drawbar under upper hitch plate
(1).
2. Align rear hole in upper hitch plate with large hole
in drawbar. Place lower hitch plate (4) under
drawbar and attach to upper hitch plate with two 5/8
x 4 inch bolts (5), flat washers (6) and Nylock nuts
(7).
3. Bolt top upper hitch plate through hole in drawbar
to lower hitch plate with 1 x 5 1/2 inch bolt (8), USS
flat washer (3) and Nylock nut (2).
13944
4. Securely attach safety chain to drill hitch with a 3/4
x 2 1/4 inch bolt (10), safety washer (11), lock
washer (12) and nut (13). Then attach chain to
tractor drawbar.
Figure 5
Hitching to Tractor
5. Store jack on top of tongue as shown in Figure 6.
13945
Figure 6
Jack Storage Position
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15
Hydraulic Hose Hookup
High Pressure Fluid Hazard: Only trained personnel
should work on system hydraulics!
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin, causing serious injury. Avoid the hazard
by relieving pressure before disconnecting hydraulic lines.
Use a piece of paper or cardboard, NOT BODY PARTS, to
check for leaks. Wear protective gloves and safety glasses or
goggles when working with hydraulic systems. If an accident
occurs, seek immediate medical attention from a physician
familiar with this type of injury.
Current Style Color-Coded Hose Handles
Great Plains hydraulic hoses have color coded handle
grips to help you hook up hoses to your tractor outlets.
Hoses that go to the same remote valve are marked
with the same color.
Color
Hydraulic Function
Blue
Transport Lift Cylinders
Green
Marker Cylinders
To distinguish hoses on the same hydraulic circuit, refer
to the symbol molded into the handle grip. Hoses with
an extended-cylinder symbol feed cylinder base ends.
Hoses with a retracted-cylinder symbol feed cylinder
rod ends.
31733
Figure 7
Jack Storage Position
Older Style Hoses with Color Ties
Hoses that go to the same remote valve are marked with
the same color tie.
Color
Hydraulic Function
Blue
Transport Lift Cylinder
Orange
Marker Cylinders
To distinguish hoses on the same hydraulic circuit, refer
to plastic hose holder. Hose under extended-cylinder
symbol feeds cylinder base ends. Hose under retractedcylinder symbol feeds cylinder rod ends.
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16
Rephasing Cylinders
The lift cylinders may, after a period of time, get out of
time or phase. The effects of this can be seen when one
side of the drill is running too low or too high because its
lift cylinder is either over extended or not retracted
compared to the other lift cylinder.
To rephase the cylinders, raise drill completely and hold
tractor hydraulic lever on for a few seconds to give
cylinders time to rephase.
Each time drill is raised out of ground momentarily
reverse hydraulic lever immediately after rephasing to
allow cylinders to retract about 1/2 inch. This will help in
maintaining a level drill.
Note: Understand that having cylinders become
gradually out of time is different than having air
trapped in the system from improper bleeding.
Each condition is corrected differently.
Bleeding Hydraulics
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin causing serious injury. Avoid the hazard by
relieving pressure before disconnecting hydraulic lines. Use
a piece of paper or cardboard, NOT BODY PARTS, to check
for leaks. Wear protective gloves and safety glasses or
goggles when working with hydraulic systems. If an accident
occurs, immediate medical attention from a physician
familiar with this type of injury.
Check that tractor hydraulic reservoir is full.
completely extended, hold remote lever on for one
minute.
The drill lifting system is equipped with rephasing type
hydraulic cylinders that require a special procedure for
bleeding air from the hydraulic circuits. Read and follow
this procedure carefully. Rephasing type cylinders will
not function properly with air in hydraulic circuit.
5. Retract cylinders. Extend cylinders again and hold
remote lever on for one more minute. Repeat this
step two more times to completely bleed system.
1. Check hydraulic fluid in tractor reservoir and fill
reservoir to proper level. Drill-system capacity is
about 1 gallon. Add fluid to system as needed. A low
reservoir level may draw air back into the system,
causing jerky or uneven cylinder movements.
6. Repin cylinders to drill frame and gauge wheel arm
with transport cylinder locks in place. If any air still is
trapped in either cylinder, the cylinder will have a
spongy, erratic movement and drill will not raise
evenly. If necessary, repeat bleeding process.
2. With drill attached to tractor, jack drill up and support
frame at ends near gauge wheels.
7. Refill tractor hydraulic fluid reservoir to its proper
level.
3. With drill raised and supported, unpin cylinders from
gauge wheel arms and frame. Turn cylinders “rod
end up”. Wire or otherwise safely support rod ends
higher than base ends.
Note: After the drill is raised, a slight settling will occur
due to the action of the rephasing cylinders.
Note: In order to prevent trapped air pockets, rod end
must be higher than any other part of cylinder
during bleeding operation.
4. With tractor engine idling, engage tractor hydraulics
to extend cylinder rods. When cylinder rods are
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Preparation and Setup
17
Leveling Drill
Refer to Figure 8.
1. Loosen locknuts (2) and adjust cylinder eyebolts (1)
so there is initially about 3 1/16 inch of threads
above mounting plate.
2. Raise drill with hydraulics until openers and
coulters are 1 to 2 inches off the ground.
3. Measure height of coulter tube from ground on both
ends of drill.
4. Adjust eyebolt to level drill from end to end.
5. Tighten nuts on eyebolts when drill is level.
Figure 8
Jack Storage Position
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18
Operating Instructions
This section covers general operating procedures.
Experience, machine familiarity and the following
information will lead to efficient operation and good
working habits. Always operate farm machinery with
safety in mind.
Prestart Checklist
High Pressure Fluid Hazard:
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Check all hydraulic lines and fittings
before applying pressure. Fluid escaping from a very small
hole can be almost invisible. Use paper or cardboard, not
body parts, and wear heavy gloves to check for suspected
leaks. If injured, seek medical assistance from a doctor that is
familiar with this type of injury.
1. Carefully read “Important Safety Information,”
page 1.
2. Lubricate the drill as indicated under Lubrication,
page 43.
3. Check all tires for proper inflation as indicated on
Tire Inflation Chart, page 54.
4. Check all bolts, pins and fasteners. Torque as
specified on Torque Values Chart, page 53.
5. Check the drill for worn or damaged parts. Repair
or replace them before going to the field.
6. Check hydraulic hoses, fittings and cylinders for
leaks. Repair or replace them before going to the
field.
7. Rotate both gauge wheels to see that drive and
meters are working properly and free from foreign
material.
8. Torque bolts shown in Figure 9 to 125 +20 ft•lbs.
Check and torque these bolts every few hours after
this, during the first days of operation.
Mis-step Hazard:
Watch your step when walking on drill ladder and
walkboard. Falling from drill could cause severe injury or
death.
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Figure 9
Jack Storage Position
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Operating Instructions
19
Field Operation
Crushing Hazard:
You may be severely injured or killed by being crushed
between the tractor and drill. Do not stand or place any part
of your body between drill and moving tractor. Stop tractor
engine and set park brake before installing pins.
1. Hitch drill to a suitable tractor.
2. Set seed population as explained in “Seeding
Rate”, page 26.
3. Load box with clean seed.
4. Raise drill. Rotate gauge wheel. Check that feed
cups, seed tubes and drives are working properly
and free from foreign material by looking for seed
flow under each opener.
5. Record acremeter readout. Subtract initial reading
from later readings to determine acres drilled.
6. Pull forward, lower drill and begin seeding.
7. Always lift drill out of the ground when turning at
row ends and for other short-radius turns. Seeding
will stop automatically as drill is raised.
Opener Operation
Machine Damage Risk:
Never back up with openers in the ground. To do so may cause
damage or opener plugging.
For information on opener adjustments, refer to page 24.
For more information on troubleshooting opener
problems, see “Troubleshooting”, page 41.
Marker Operation
Optional marker attachments are available from your
Great Plains dealer. Before operating markers, make
sure hydraulics are properly bled as described under
“Marker Adjustments”, page 36.
Dual markers equipped with a sequence valve are powered off the same hydraulic circuit. The markers cycle in
the following sequence:
1.
2.
3.
4.
right up, left up
right down, left up
right up, left up
right up, left down
You can adjust marker folding speed. Refer to “Marker
Adjustments”, page 36, and adjust folding speed to a
safe rate. Folding markers at high speed can damage
markers.
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Operating Instructions
20
Transporting
Loss of Control Hazard:
Towing the drill at high speeds or with a vehicle that is not
heavy enough could lead to loss of vehicle control. Loss of
vehicle control could lead to serious road accidents, injury
and death. To reduce the hazard, do not exceed 20 mph. Check
that your tractor has enough ballast to handle the weight of
the drill. Refer to your tractor operator’s manual for ballast
requirements.
Loss of Control Hazard:
Failure of hydraulic cylinders during transport will cause
drill to drop suddenly, which could lead to serious road
accidents, injury or death. To prevent an accident, always
install cylinder locks before transporting drill.
Before transporting, check and practice the following
items.
Lock Cylinders. Cylinder locks (1) are located on both
hydraulic cylinders. With drill fully raised swing lock up
over rod of cylinder and snap into place, see Figure 10.
1
Note: The cylinder locks can be engaged or disengaged
only after the drill is fully raised.
14773
Unload drill box. The drill can be transported with a full
box of grain, but the added weight will increase
stopping distance and decrease maneuverability.
Unload drill box before transporting if at all possible.
Clearance. Remember that the drill is wider that the
tractor. Allow safe clearance.
Road rules. Comply with all federal, state and local
safety laws when traveling on public roads.
Figure 10
Cylinder Lock
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Operating Instructions
21
Lock-out Hub. Make sure drive lock-out hub on left side
of drill is disengaged before transporting, see Figure 11.
This will prevent excessive wear of drive system during
transport.
Transporting with Markers. Always transport markers in
the folded position.
Parking
Perform the following steps when parking the drill. Refer
to Storage, page 44, for information on long-term
storage preparation.
1. Park the drill on a level, solid area.
2. Lower drill until openers are resting on the ground.
3. Securely block tires to prevent rolling.
14171
Figure 11
Lock-out Hubs
4. Remove tongue jack from storage stob. Pin jack on
side of tongue. If ground is soft, place a board or
plate under jack. Refer to Figure 12
5. Extend jack until tongue weight is off tractor
drawbar..
6. Unplug hydraulic hoses and wiring harness from
tractor. Do not allow hose ends or harness ends to
rest on the ground.
Jack storage stob
7. Remove hitch bolt and safety chain from tractor
drawbar.
14774a
Figure 12
Jack Storage Position
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22
Adjustments
Coulter Adjustments
A no-till coulter 1 , Figure 13, is mounted directly ahead
of each opener on the drill. The coulters cut through
heavy trash and make a groove in the soil for the
openers. The coulters are mounted on the drill frame so
coulter cutting depth changes as the drill is raised and
lowered.
To set drill seeding depth, you must:
1. Set coulter depth with hydraulic stop.
2. Set opener depth with T-handles on press wheels.
3. If soil conditions make it necessary, increase
coulter down pressure by adding weights.
If necessary, adjust individual coulters or openers to
seed in tire tracks.
Coulter cutting depth is controlled by a depth control
valve.
The amount of coulter down force needed to cut a soil
groove varies with soil conditions. Adding weight or
shortening the coulter spring increases coulter down
pressure and cutting force.
Figure 13
Coulter
Coulter Depth Control
Refer to Figure 14
The master-slave lift cylinders on your drill control the
depth of the coulters. A depth valve regulates the
retracted length of these cylinders.
1. Slightly raise drill with depth stop engagement arm
on the rock shaft not touching the valve.
2. Turn the depth control knob clockwise. Each
rotation lowers the coulters approximately 1/4 inch.
3. Raise and lower drill a few times to recheck depth.
Note: Changing depth of coulters will effect planting
depth of openers. Press wheels will need to be
adjusted accordingly.
Figure 14
Coulter Depth Stops
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Adjustments
23
Coulter Down Pressure Weights
If more weight is required for your soil conditions, add
weights to weight brackets located on box frame. No
more than 1200 pounds (600 pounds per side) should
ever be added. Add an equal amount of weight to each
end of drill. See Table 1.
Pounds Per Coulter
7-Inch
7.5-Inch 8-Inch
10-Inch
Empty Drill
274
282
290
363
Drill with 300
pounds added
304
314
323
406
Table 1
Weight Chart
Spring Length
Coulter springs are preset at 10 inches, giving coulters
an initial operating force of 400 pounds. This setting is
adequate for many difficult no-till conditions.
10.
0 in
25. ches
4c
m
Equipment Damage Risk:
Resetting coulter-spring length shorter than 9-3/4 inches
may contribute to premature failure of parts and warranty
will be voided. If additional force is needed, add weights to
drill.
Figure 15
Coulter Spring Length
For lighter no-till conditions where rocks or other
obstructions are a problem, you can lengthen coulter
springs to protect coulters from impact. Refer to Table
2.
Spring Length
Initial Vertical Coulter Force
10-1/2 Inches
175 pounds
10-1/4 Inches
300 pounds
10 Inches
400 pounds
9-3/4 Inches
525 pounds
Table 2
Spring Length Chart
Individual Coulter Adjustment
3. Tighten set screw on side of coulter clamp first. This
squares coulter bar in clamp.
Individual coulters can be lowered if coulters follow in
tractor tire tracks and do not give satisfactory depth. To
do so:
4. Tighten set screw on front of coulter clamp. Then
tighten both 5/8 inch jam nuts on each set screw.
1. Loosen 5/8 inch jam nuts on 5/8 inch square head
set screws. Then loosen set screws.
Note: Torque 5/8 inch set screws 85-100 ft•lbs to obtain
adequate holding force.
2. Lower coulter to desired depth.
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Adjustments
24
Opener Adjustments
Opener Down Pressure
Opener springs provide the down pressure necessary
for opener disks to open a seed trench. The springs
allow the openers to float down into depressions and up
over obstructions.
Each opener spring can be adjusted for down pressure.
This is useful when penetrating hard soil and for
planting in tractor tire tracks.
Maximum Pressure
Minimum Pressure
Figure 16
Opener Down Pressure Adjustment
Opener Seeding Depth
A press wheel attached to each opener body controls
seeding depth. To maintain consistent depth, the
relationship between the bottom of the opener disks
and press wheel is fixed upwardly by an adjustable stop
on each opener.
T-Handle
The press wheels also close the seed trench and gently
press soil over seed. To provide consistent soil firming,
press wheels are free to move down from normal
operating position. This maintains pressing action even
if opener disks encounter obstructions or hard soil.
Set opener seeding depth by adjusting press-wheel
height. To adjust, first raise drill slightly, then lift and
slide T-handles on top of openers as shown in
Figure 17.
• For shallower seeding, slide T-handles toward drill.
• For deeper seeding, slide T-handles away from
drill.
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Figure 17
Press Wheel Adjustments
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Adjustments
25
Disc Scraper Adjustment
To keep opener disks turning freely, dirt scrapers are
mounted between disks to clean as the disks rotate. As
field conditions vary, scrapers may need to be adjusted.
In damp conditions, scrapers may need to be lowered.
If openers are not turning freely, scrapers may need to
be raised.
To adjust scrapers, loosen 3/8 inch bolt shown in
Figure 18 and move scraper as needed.
Scraper
bolt
16163
Figure 18
Disc Scraper Adjustment
Gauge Wheel Idler Adjustment
Located inside the left hand gauge wheel arm is two
idler sprockets which should be readjusted after the first
100 acres of drill use. From then on, readjust at the
beginning of each season.
To adjust, move front idler sprocket on top of chain
down by loosening jam nut and screwing in adjustment
stud. Refer to Figure 19.
Adjustment
stud
Jam nut
Tighten jam nut to maintain idler position.
Note: Do not over-tighten chains. To do so will cause
excessive wear.
1474
Figure 19
Gauge Wheel Idler Adjustment
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Adjustments
26
Seeding Rate
Refer to Figure 20
Calibrating the seeding rate requires four steps:
1. selecting one of four drive types,
2. setting the seed-rate handle,
3. positioning the feed-cup door, and
4. checking the seed rate.
Refer to the seed rate charts beginning on page 28.
These charts list the proper drive type and seed-ratehandle settings for various seeds and seeding rates.
Gearbox
selector
handle
The seed rate charts are based on cleaned, untreated
seed of average size and test weight. The rates are
based on 295/75/R22.5 rib implement tires. Many
factors will affect seeding rates including foreign
material, seed treatment, seed size, field conditions, tire
pressure and test weight. Minor adjustments likely will
be needed. Set and check the seeding rate using these
procedures, then adjust the rate as necessary.
Figure 20
Gearbox Handle Adjustment
Select Drive Type
The gearbox is designed to give you a variety of drive
speeds for different types of seeds and rates. It is a linear
shift pattern design with constant mesh gearing and
totally sealed to keep the dirt out. No lubrication is
required unless service is needed.
The gearbox brass indicator plate is positioned so the
side with “1” is closest to the center of the drill.
Gearbox Ratios
To set the gearbox move the selector handle until the
desired drive type appears in the window on the handle. Setting 2 is 2.06 Times Faster Than 1
See Table 3 for gearbox ratios.
Setting 3 is 3.08 Times Faster Than 1
Setting 4 is 5.03 Times Faster Than 1
Set Seed Rate Handle
Refer to Figure 21
Position the seed rate handle to setting indicated on
seed rate chart. To adjust, loosen wing nut under
handle. Slide handle until indicator lines up with correct
setting.
Seed-rate
handle
Figure 21
Seed Rate Handle Adjustment
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Adjustments
27
Position Feed-Cup Doors
Refer to Figure 22
For wheat and other small seeds, move feed cup door
handles to highest position. For soybeans and other
large seeds, lower handles to second position. If
excessive seed cracking occurs, lower handles to third
position. Move handles to fourth, wide-open position,
for seed cup clean out. Make sure all handles are in
same position before drilling.
Feed-cup
door handle
Note: Do not open cup to wide open position with seeds
in the box unless complete clean out is desired.
Check Seed Rate
Note: For drills built after October 1, 2005, use the
gauge wheel tire or supplied calibration crank to
calibrate. For drills built before October 1, 2005,
use the gauge wheel to calibrate or order the
calibration crank kit available through your Great
Plains Dealer.
1. To calibrate, use either the left hand gauge wheel or
the supplied calibration crank. If using the calibration
crank, attach crank to coupler on gauge wheel
jackshaft with retaining pin and disengage lockout on
drive wheel.
2. Rotate left hand gauge wheel or calibration crank to
see that feed cups and drive are working properly
and are free from foreign matter.
Figure 22
Feed Cup Door Handle Adjustment
9. Weigh metered seed. Subtract initial weight of
container. Divide by three. Multiply by the number of
openers on your drill to determine total pounds
seeded per acre. If this figure is different than
desired, set your seed rate adjustment handle
accordingly.
Note: You may want to repeat the calibration procedure
if your results vary greatly from seed rate chart.
10. When drilling, check seeding rate by noting acres
drilled, amount of seed added to drill and seed level
in drill box. If you are seeding more or less than
desired, adjust seeding rate slightly to compensate
for field conditions.
Equations for calibrating seed rate:
3. To adjust seeding rate, decide which drive type
(gearbox) setting you need from the seeding charts
beginning on next page. Set the gearbox. Rotate
drive tire or calibration crank a few turns to confirm
gearbox has engaged.
measured seed - empty container
4. Record weight of an empty container large enough
to hold seed metered for one acre.
and
5. Place several pounds of seed over three seed cups
on an outside end of drill box. Pull seed tubes off of
these three openers.
------------------------------------------------- = pounds per
seed cup
3 (number of seed cups measured)
pounds per seed cup x number of openers = pounds per
acre
6. Turn drive gauge wheel or calibration crank several
times to fill seed cups with seed. Turn wheel or crank
until seed falls to the ground from each cup.
7. Rotate drive gauge wheel or calibration crank 346
rotations. This is equal to one acre.
Note: You can also rotate the gauge wheel jackshaft by
means of a wrench or socket. If rotating gauge
wheel jackshaft, disengage the lockout on the
drive wheel and use same number of rotations as
for rotating drive wheel.
1205NT Calibration Crank
8. Check that the three seed cups have plenty of seed
coming into them.
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Adjustments
28
Seed Rate Chart (pounds per acre)
Rice
Long Grain
Drive Type 4
(Based on
47#/bu)
Barley
Drive Type 1
(Based on
51#/bu)
Barley
Drive Type 2
(Based on
51#/bu)
Barley
Drive Type 4
(Based on
51#/bu)
Oats
Drive Type 3
(Based on
37#/bu)
10/21/15
Row Spacing
Row Spacing
Row Spacing
Row Spacing
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
26
34
43
49
60
69
78
90
99
109
120
131
141
152
163
174
176
177
7.5"
0
10
18
24
32
40
46
56
64
73
84
92
102
112
122
131
142
152
162
164
165
8"
0
9
17
23
30
37
43
52
60
69
79
86
96
105
114
123
133
143
152
153
154
10"
0
8
13
18
24
30
34
42
48
55
63
69
76
84
91
99
106
114
122
123
124
7"
0
14
26
38
51
64
75
89
103
117
131
144
159
174
189
206
219
235
248
254
256
7.5"
0
13
25
36
48
59
70
83
96
109
123
134
149
162
176
192
205
219
232
237
239
8"
0
12
23
34
45
56
66
78
90
102
115
126
139
152
165
180
192
205
217
223
224
10"
0
10
18
27
36
45
53
62
72
82
92
101
111
121
132
144
154
164
174
178
179
7"
3
9
16
24
33
39
48
54
63
72
82
92
101
110
119
127
134
142
149
149
149
7.5"
2
9
14
23
31
37
44
51
59
67
77
85
94
102
111
118
125
132
139
139
139
8"
2
8
14
21
29
34
42
48
55
63
72
80
88
96
104
111
117
124
131
131
131
10"
2
7
11
17
23
27
33
38
44
50
57
64
70
77
83
89
94
99
105
105
105
7"
4
15
25
40
54
64
78
89
103
117
134
149
164
179
194
207
219
231
243
243
243
7.5"
4
14
24
37
50
60
72
83
96
109
125
139
153
167
181
193
204
215
227
227
227
8"
4
13
22
35
47
56
68
78
90
102
117
131
143
156
169
181
191
202
213
213
213
10"
3
11
18
28
38
45
54
62
72
82
94
105
115
125
136
145
153
162
170
170
170
7"
0
0
11
19
27
36
45
53
61
69
77
84
91
99
107
116
124
131
138
143
148
7.5"
0
0
11
17
25
34
42
49
57
65
72
79
85
92
100
108
116
123
129
134
138
8"
0
0
10
16
24
31
40
46
53
61
67
74
80
87
94
101
108
115
121
125
130
10"
0
0
8
13
19
25
32
37
42
49
54
59
64
69
75
81
87
92
97
100
104
Row Spacing
Rice
Long Grain
Drive Type 3
(Based on
47#/bu)
15
19
7"
7.5"
8"
0
0
0
0
0
0
18
17
16
30
28
27
44
41
39
59
55
51
74
69
65
86
80
75
99
92
87
113
105
99
125
117
110
137
128
120
149
139
130
161
151
141
175
163
153
188
176
165
202
188
177
214
200
187
225
210
197
234
218
204
242
226
211
10"
0
0
13
21
31
41
52
60
69
79
88
96
104
113
123
132
141
150
158
164
169
Row Spacing
Rice
Short Grain
Drive Type 4
(Based on
43#/bu)
10
11
7"
7.5"
8"
2
2
1
4
4
3
7
6
6
9
9
8
12
12
11
16
15
14
19
18
17
22
21
20
26
24
23
30
28
26
33
31
29
37
35
32
41
38
36
45
42
40
49
46
43
53
49
46
56
52
49
59
55
52
62
58
54
63
59
55
63
59
55
10"
1
3
5
6
9
11
13
16
18
21
23
26
29
32
34
37
39
42
44
44
44
Row Spacing
Rice
Short Grain
Drive Type 3
(Based on
43#/bu)
5
0
7"
7.5"
8"
3
3
3
7
7
7
14
13
12
19
17
16
26
24
22
32
30
28
39
36
34
46
43
40
53
49
46
61
57
53
68
64
60
75
70
65
82
77
72
89
83
78
97
91
85
105
98
92
114
106
100
122
114
107
130
121
114
132
123
116
134
125
117
10"
2
5
10
13
18
22
27
32
37
43
48
52
58
63
68
74
80
85
91
92
94
Row Spacing
Wheat
Drive Type 3
(Based on
64#/bu)
0
7"
7.5"
8"
7
7
6
18
17
16
33
31
29
45
42
40
63
58
55
78
72
68
95
88
83
113
105
99
130
121
113
149
139
130
166
155
146
182
170
160
201
188
176
218
204
191
238
222
208
257
240
225
278
260
244
299
279
261
318
297
278
323
301
282
328
306
287
10"
5
13
23
32
44
54
66
79
91
104
117
128
141
153
167
180
195
209
222
226
230
Row Spacing
Drive Type 2
(Based on
64#/bu)
Row Spacing
Setting number
Wheat
7"
7"
7.5"
8"
0
0
0
5
4
4
10
10
9
15
14
13
21
19
18
27
25
24
33
31
29
40
37
35
47
44
41
54
51
47
62
58
54
68
64
60
76
70
66
82
77
72
90
84
78
97
90
85
104
97
91
111
104
97
119
111
104
120
112
105
120
112
105
10"
0
3
7
10
14
19
23
28
33
38
43
48
53
58
63
68
73
78
83
84
84
Table of Contents
Index
150-131M
1205NT
Table of Contents
Index
Adjustments
29
Soybeans
Drive Type 1
(Based on
58#/bu)
Soybeans
Drive Type 2
(Based on
58#/bu)
Soybeans
Drive Type 3
(Based on
58#/bu)
Peas
Drive Type 3
(Based on
61#/bu)
Pinto
Beans
Drive Type 1
(Based on
61#/bu)
10/21/15
45
40
38
35
50
45
42
40
55
50
46
44
60
54
50
47
65
59
55
51
70
63
59
55
75
69
64
60
80
74
69
65
85
80
75
70
90
87
81
76
95
87
81
76
100
88
82
77
10"
0
2
5
8
11
14
17
21
24
28
32
35
38
41
44
48
52
56
61
61
61
7"
7.5"
8"
1
1
1
4
4
4
7
7
6
10
9
9
13
13
12
17
16
15
20
19
18
23
22
20
27
25
24
31
29
27
34
32
30
38
35
33
42
39
36
45
42
39
49
46
43
53
49
46
57
53
50
61
57
53
65
61
57
66
62
58
67
63
59
10"
1
3
5
7
9
12
14
16
19
21
24
26
29
32
34
37
40
43
46
46
47
7"
7.5"
8"
0
0
0
10
9
8
18
17
16
25
24
22
36
34
31
45
42
39
56
52
49
67
62
59
79
74
69
92
85
80
106
99
92
116
109
102
129
120
113
142
132
124
154
144
135
168
156
147
179
167
157
192
179
168
217
202
189
207
194
181
210
196
183
10"
0
7
13
18
25
31
39
47
55
64
74
81
90
99
108
117
126
134
152
145
147
7"
7.5"
8"
0
0
0
3
3
3
7
7
6
10
9
9
14
13
12
17
16
15
21
19
18
24
23
21
28
26
25
32
30
28
36
34
31
39
37
34
43
40
37
47
44
41
51
47
44
55
52
49
60
56
52
65
61
57
70
66
61
71
67
62
73
68
64
10"
0
2
5
7
10
12
15
17
20
22
25
27
30
33
35
39
42
45
49
50
51
7"
7.5"
8"
0
0
0
0
0
0
2
2
2
4
3
3
5
5
5
7
7
6
9
9
8
11
10
10
13
12
12
15
14
13
17
16
15
19
18
17
21
20
19
23
22
21
25
24
22
27
26
24
29
27
26
31
29
27
33
31
29
34
32
30
35
33
31
10"
0
0
1
3
4
5
6
8
9
11
12
14
15
16
18
19
20
22
23
24
24
7"
7.5"
8"
0
0
0
2
2
2
7
6
6
11
11
10
17
15
15
20
19
17
25
23
22
29
27
25
34
31
29
38
36
34
42
40
37
48
44
42
52
49
46
57
53
50
61
57
54
67
62
58
70
65
61
75
70
65
79
74
69
80
74
70
80
75
70
10"
0
2
5
8
12
14
17
20
24
27
30
33
37
40
43
46
49
52
56
56
56
7"
7.5"
8"
0
0
0
5
5
4
14
13
12
23
22
20
34
32
30
41
38
36
51
47
44
59
55
52
69
64
60
79
73
69
87
81
76
98
91
86
107
100
94
117
109
102
126
118
110
136
127
119
144
134
126
153
143
134
163
152
143
164
153
143
164
153
144
10"
0
4
10
16
24
29
35
42
48
55
61
68
75
82
88
95
101
107
114
115
115
7"
7.5"
8"
0
0
0
10
9
9
19
18
17
35
32
30
51
48
45
61
57
53
76
71
67
87
81
76
100
93
87
113
105
99
127
119
111
141
131
123
155
145
136
168
157
147
183
171
160
195
182
171
213
199
186
227
212
199
244
227
213
243
227
213
244
228
213
10"
0
7
14
24
36
42
53
61
70
79
89
98
108
118
128
137
149
159
170
170
171
7"
7.5"
8"
0
0
0
8
8
7
16
15
14
29
27
26
45
42
39
59
55
52
72
67
63
87
82
76
102
95
89
118
110
103
132
123
116
145
136
127
160
149
140
173
161
151
187
175
164
202
188
177
215
201
188
228
213
200
241
225
211
243
226
212
244
227
213
10"
0
6
11
20
31
41
50
61
71
82
93
102
112
121
131
141
151
160
169
170
171
7"
7.5"
8"
0
0
0
0
0
0
7
7
6
11
10
10
15
14
13
20
19
18
25
24
22
30
28
27
35
33
31
40
38
35
45
42
40
50
47
44
55
51
48
59
55
52
64
60
56
69
65
61
73
68
64
78
73
68
83
77
72
83
77
72
83
77
72
10"
0
0
5
8
10
14
18
21
25
28
32
35
38
41
45
49
51
54
58
58
58
Row Spacing
40
35
33
31
Row Spacing
Drive Type 1
(Based on
28#/bu)
35
30
28
26
Row Spacing
Sun
flowers
30
24
22
21
Row Spacing
Drive Type 1
(Based on
55#/bu)
25
21
19
18
Row Spacing
Flax or
Sudan
20
16
15
14
Row Spacing
Drive Type 3
(Based on
48#/bu)
15
11
10
10
Row Spacing
Buck
Wheat
10
7
6
6
Row Spacing
Millet
Drive Type 1
(Based on
60#/bu)
7.5"
8"
5
2
2
2
Row Spacing
Setting number
Rye
7"
Drive Type 1
(Based on
57#/bu)
0
0
0
0
Row Spacing
Seed Rate Chart (con’t.)
Table of Contents
Index
150-131M
1205NT
Table of Contents
Index
Adjustments
30
0
2
2
2
5
5
4
4
10
7
7
6
15
10
10
9
20
13
12
12
25
16
15
14
30
20
18
17
35
23
22
20
40
27
25
24
45
32
29
28
50
35
33
31
55
38
36
34
60
43
40
37
65
47
43
41
70
51
47
44
75
54
51
47
80
59
55
52
85
63
59
55
90
68
63
60
95
70
65
61
100
72
67
63
10"
1
3
5
7
9
12
14
16
19
22
25
27
30
33
35
38
41
44
48
49
50
Row Spacing
7"
7.5"
8"
0
0
0
4
4
4
8
7
7
11
10
10
15
14
13
19
18
17
24
22
21
29
27
25
34
31
29
38
36
34
44
41
39
49
45
43
54
50
47
59
55
52
64
60
56
69
65
61
74
69
65
79
73
69
84
78
73
86
80
75
88
82
77
10"
0
3
5
8
11
14
17
20
23
27
31
34
38
41
45
49
52
55
59
60
61
7"
7.5"
8"
0
0
0
1
1
1
2
2
2
3
2
2
4
3
3
4
4
4
5
5
5
6
6
6
7
7
6
8
8
7
9
9
8
10
10
9
11
11
10
12
11
11
13
12
12
14
13
13
15
14
13
17
15
15
16
15
14
18
17
16
18
17
16
10"
0
1
1
2
3
3
4
4
5
6
7
7
8
9
9
10
11
12
11
13
13
Alfalfa or
Rape
(Based on
60#/bu)
Milo
Drive Type 1
(Based on
64#/bu)
Wheat
Grass
Drive Type 1
(Based on
23#/bu)
10/21/15
Row Spacing
Setting number
7"
7.5"
Drive Type 1
8"
Row Spacing
Seed Rate Chart (con’t.)
Table of Contents
Index
150-131M
1205NT
Table of Contents
Index
Adjustments
Small Seeds Attachment
Equations for calibrating seed rate:
To set and calibrate the seeding rate on the optional
small seeds attachment, follow these steps:
measured seed - empty container
Note: For drills built after October 1, 2005, calibrate
using gauge wheel or supplied calibration crank.
For drills built before October 1, 2005, calibrate
using gauge wheel or order the calibration crank
kit available through your Great Plains Dealer.
1. To calibrate, use either the left hand gauge wheel or
the supplied calibration crank. If using the calibration
crank, attach crank to coupler on gauge wheel
jackshaft with retaining pin and disengage lockout on
drive wheel.
31
------------------------------------------------- = pounds per
seed cup
3 (number of seed cups measured)
and
pounds per seed cup x number of openers = pounds per
acre
2. Rotate left hand gauge wheel or calibration crank to
see that feed cups and drive are working properly
and are free from foreign matter.
3. From the small seeds seed rate chart on the next
page, find the setting number for desired feeding rate
(and row spacing). Move the small seed cup
adjustment lever to that setting number.
1205NT Calibration Crank
4. Record weight of an empty container large enough
to hold seed metered for one acre.
5. Place several pounds of seed over three seed cups
on an outside end of drill box. Pull seed tubes off of
these three openers.
6. Turn drive gauge wheel or calibration crank several
times to fill seed cups with seed. Turn wheel or crank
until seed falls to the ground from each cup.
7. Rotate drive gauge wheel or calibration crank 346
rotations. This is equal to one acre.
Note: You can also rotate the gauge wheel jackshaft by
means of a wrench or socket. If rotating gauge
wheel jackshaft, disengage the lockout on the
drive wheel and use same number of rotations as
for rotating drive wheel.
8. Check that the three seed cups have plenty of seed
coming into them.
9. Weigh metered seed. Subtract initial weight of
container. Divide by three. Multiply by the number of
openers on your drill to determine total pounds
seeded per acre. If this figure is different than
desired, set your seed rate adjustment handle
accordingly.
Note: You may want to repeat the calibration procedure
if your results vary greatly from seed rate chart.
10. When drilling, check seeding rate by noting acres
drilled, amount of seed added to small seed box and
seed level in small seeds box. If you are seeding
more or less than desired, adjust seeding rate
slightly to compensate for field conditions.
10/21/15
Table of Contents
Index
150-131M
1205NT
Table of Contents
Index
Adjustments
32
Small Seeds Attachment Seed Rate Chart
Row Spacing
Ladino Clover,
Canary Grass,
Timothy, Canola
Row Spacing
Bermuda, Red
Top, Unhulled
Lespedeza,
Sercia, Sand &
Weeping Love
Grass
Row Spacing
Red & Sweet
Clover,
Lespedeza Hulled
Row Spacing
Bird’s-foot
Trefoil, Sudan
Alfalfa, Red
Alsike, Crimson
Clover
10/21/15
Row Spacing
Millet,
Reed Canary
Row Spacing
Orchard Grass
Row Spacing
Kentucky Blue
Grass, Fescue,
Annual Rye Grass
Row Spacing
Setting Number
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
7"
0
.2
1.0
1.6
2.3
2.8
3.5
4.0
4.5
5.0
5.4
5.9
6.3
6.7
7.1
7.5
7.9
8.0
8.6
100
9.0
7.5"
0
.2
.9
1.5
2.2
2.7
3.3
3.7
4.2
4.6
5.1
5.5
5.9
6.3
6.7
7.0
7.4
7.7
8.1
8.4
8"
0
.2
.9
1.4
2.0
2.5
3.0
3.5
3.9
4.3
4.8
5.1
5.5
5.9
6.2
6.6
6.9
7.5
7.5
7.9
10"
0
.1
.7
1.1
1.6
2.0
2.4
2.7
3.1
3.4
3.7
4.0
4.3
4.6
4.9
5.2
5.4
5.7
5.9
6.2
10.5 11.8 13.3 14.6 15.9 17.4 18.7 20.0 22.0 23.4 25.1
7"
0
.9
1.7
2.8
4.1
5.2
6.6
7.9
9.2
7.5"
0
.9
1.6
2.6
3.9
4.9
6.1
7.4
8.6
9.8
11.1 12.5 13.7 14.9 16.3 17.6 18.8 20.4 21.9 23.5
8"
0
.8
1.5
2.5
3.6
4.6
5.7
6.9
8.0
9.2
10.3 11.6 12.8 13.9 15.2 16.4 17.5 19.0 20.5 21.9
10"
0
.6
1.5
1.9
2.5
3.6
4.5
5.4
6.3
7.2
8.1
9.1
10.0 10.9 12.0 12.9 13.8 14.9 16.1 17.2
7"
0
.6
.9
1.5
2.2
2.8
3.6
4.3
5.1
5.6
6.2
6.7
7.1
7.7
8.1
8.7
9.4
10.0 10.5 11.0
7.5"
0
.5
.9
1.4
2.1
2.6
3.3
4.0
4.7
5.3
5.8
6.3
6.7
7.2
7.6
8.2
8.8
9.3
9.8
8"
0
.5
.8
1.3
2.0
2.5
3.1
3.8
4.4
4.9
5.4
5.9
6.5
6.7
7.1
7.6
8.2
8.7
9.2
9.7
10"
0
.4
.6
1.0
1.5
1.9
2.4
3.0
3.5
3.9
4.2
4.6
4.9
5.3
5.6
6.0
6.4
6.8
7.2
7.6
10.4
7"
0
1.3
2.9
4.5
6.1
7.7
9.7
11.3 13.1 14.6 16.3 17.8 19.3 21.0 22.7 24.6 25.8 27.5 29.0 30.5
7.5"
0
1.2
2.7
4.2
5.7
7.2
9.1
10.6 12.3 13.7 15.3 16.7 18.1 19.7 21.2 22.7 24.2 25.8 27.2 28.6
8"
0
1.1
2.5
3.9
5.3
6.7
8.5
9.9
11.5 12.8 14.3 15.6 16.9 18.3 19.8 21.2 22.6 24.1 25.4 26.7
10"
0
.9
2.0
3.1
4.2
5.3
6.7
7.8
9.0
10.0 11.2 12.2 13.3 14.4 15.6 16.6 17.8 18.9 19.9 20.9
7"
0
1.5
2.8
4.5
5.8
7.5
9.2
10.9 12.5 14.4 16.5 18.2 20.0 21.9 24.0 25.6 27.5 29.0 31.1 32.9
7.5"
0
1.4
2.6
4.2
5.4
7.0
8.6
10.2 11.9 13.5 15.4 17.0 18.8 20.5 22.5 24.0 25.8 27.6 29.1 30.9
8"
0
1.3
2.5
3.9
5.1
6.6
8.1
9.5
11.0 12.6 14.4 15.9 17.5 19.2 21.0 22.4 24.1 25.7 27.2 28.8
10"
0
1.0
1.9
3.1
4.0
5.1
6.3
7.5
8.6
9.9
11.3 12.5 13.8 15.1 16.5 17.6 18.9 20.2 21.4 22.7
7"
0
0
.2
.6
.7
1.1
1.3
1.7
2.1
2.4
2.8
3.0
3.4
3.7
4.1
4.3
4.7
5.0
5.2
5.4
7.5"
0
0
.2
.5
.7
1.1
1.2
1.6
1.9
2.3
2.6
2.8
3.2
3.5
3.9
4.0
4.4
4.6
4.9
5.1
8"
0
0
.2
.5
.7
1.0
1.1
1.5
1.8
2.1
2.5
2.6
2.9
3.3
3.6
3.8
4.1
4.3
4.6
4.8
10"
0
0
.1
.4
.5
.8
.9
1.2
1.4
1.7
1.9
2.1
2.3
2.6
2.8
3.0
3.2
3.3
3.6
3.7
7"
.4
1.2
2.1
3.0
3.8
4.7
5.6
6.4
7.3
8.1
9.0
9.9
10.7 11.6 12.5 13.3 14.2 15.1 15.9 16.1
7.5"
.3
1.2
2.0
2.8
3.6
4.4
5.2
6.0
6.8
7.6
8.4
9.3
10.1 10.9 11.7 12.5 13.3 14.1 14.9 15.1
8"
.3
1.1
1.8
2.6
3.3
4.1
4.9
5.6
6.4
7.1
7.9
8.6
9.4
10.2 10.9 11.7 12.4 13.2 13.9 14.1
10"
.3
.8
1.4
2.0
2.6
3.2
3.8
4.4
5.0
5.6
6.2
6.8
7.4
8.0
8.6
9.2
9.8
10.4 10.9 11.5
7"
0
1.9
3.0
4.1
5.1
6.4
7.5
8.4
9.5
10.8 11.8 12.9 14.0 15.0 16.3 17.3 18.3 20.0 20.6 21.6
7.5"
0
1.8
2.8
3.9
4.8
6.0
7.0
7.9
9.0
10.0 11.1 12.1 13.2 14.0 15.3 16.2 17.2 18.3 19.3 20.3
8"
0
1.6
2.6
3.6
4.5
5.6
6.6
7.4
8.4
9.4
10.3 11.3 12.3 13.1 13.0 15.2 16.1 17.1 18.0 18.9
10"
0
1.3
2.1
2.8
3.5
4.4
5.1
5.8
6.6
7.4
8.1
Table of Contents
Index
8.9
9.7
10.3 11.2 11.9 12.6 13.4 14.2 14.9
150-131M
1205NT
Table of Contents
Index
Adjustments
33
Acremeter Operation
Refer to Figure 23
The acremeter counts shaft rotations whenever the shaft
is rotating - normally this is only with the drill lowered and
in motion. The meter is programmed to display rotations
as acres or hectares, when using all rows, factoryspecified tires and tire inflations.
1
Note: Unusual conditions and/or non-standard row
spacings can cause the acremeter tally to vary
somewhat from actual acres planted.
2
Acremeters supplied with drills have varied over time. For
operational details (modes, resets, calibration), see the
manual supplied with the acremeter:
4
38110
Meter Style and Manual
1 194-074M
3 152-314M
2 152-325M
4 194-209M
3
Figure 23
Electronic Acremeter
Gauge-Wheel Drive Adjustment
Inside both gauge-wheel arms are two idler sprockets
as shown in Figure 24. Adjust these sprockets after the
first 100 acres of drill use and at the beginning of each
season.
To adjust, move the front idler sprocket on the top of the
chain down by loosening the jam nut and screwing in
the adjustment stud, located on top of the wheel arm.
Do not over tighten chains, causing excessive wear.
Tighten the jam nut to maintain the idler position.
14528
Figure 24
Gauge-Wheel Idler-Sprockets Adjustment
10/21/15
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150-131M
1205NT
Table of Contents
Fertilizer Meter Rate
Fertilizer application rates will vary with fertilizer type,
density and particle size. Relative humidity and field
conditions can also affect application rates. The chart on
page 35 is based on material with a density of 65 pounds
per cubic foot (1.04 kg/L) and average particle size.
Initially set rate according to the charts, then calibrate the
drill to your material as described below.
Note: For drills built after October 1, 2005, calibrate
using gauge wheels or supplied calibration crank.
For drills built before October 1, 2005, calibrate
using gauge wheels or order calibration crank kit
available through your Great Plains Dealer.
1. To calibrate using gauge wheels, raise drill with
tractor hydraulics so drive wheels are off the ground.
To calibrate using supplied calibration crank, attach
crank to coupler on gauge wheel jackshaft with
retaining pin. Disengage lockout on the drive wheels.
2. Rotate drive wheels or calibration crank to see that
metering system is working properly and free from
foreign material.
3. From the chart on page 35, find the setting number
for your row spacing and desired application rate.
Rotate gate adjustment knob to the number obtained
from the chart.
Index
Adjustments
34
9. Turn gauge wheel or calibration crank for
approximately 346 rotations (one acre). Check that
the three feed cups have plenty of fertilizer coming
into them.
10. Weigh metered material. Subtract initial weight of the
empty container. Divide by three. Multiply by the
number of openers on your drill to determine total
pounds-per-acre metered. If this figure is different
than desired, reset adjustment knob accordingly.
Note: You may want to repeat the calibration procedure
if your results vary greatly from the chart.
11. When drilling, check the rate by noting acres drilled,
amount of fertilizer added to the drill and level of
material in drill box. If you are applying more or less
that desired, adjust the metering rate slightly to
compensate for field conditions.
Equations for calibrating seed rate:
measured seed - empty container
------------------------------------------------- = pounds per
seed cup
3 (number of seed cups measured)
and
pounds per seed cup x number of openers = pounds per
acre
The fertilizer rate chart is for granular fertilizer with a density
of 65 pounds per cubic foot (1.04 kg/L). If you are applying
fertilizer with a different density, use the density conversion
chart.
4. Check that gauge-wheel tires are the correct size
and properly inflated. Refer to “Tire Inflation Chart”,
page 54.
5. Record the weight of an empty container large
enough to hold fertilizer metered for one acre.
1205NT Calibration Crank
6. Place several pounds of fertilizer over three fertilizer
feed cups on outside end of drill box. Pull fertilizer
tubes off these three openers.
7. Turn gauge wheels or calibration crank a few turns to
fill feed cups with material. Continue to turn until
fertilizer drops to the ground from all three tubes.
Note: You can also rotate the gauge wheel jackshaft by
means of a wrench or socket. If rotating gauge
wheel jackshaft, disengage the lockout on the
drive wheel and use same number of rotations as
for rotating drive wheel.
8. Place a container under the three tubes to gather
metered fertilizer.
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
Adjustments
35
Fertilizer Rate Chart (pounds per acre)
Row
Spacings
Setting Number
15
20
25
30
35 40 45 50 55
60
65
70
6’
13
25
48
67
89
112
131
154
173
197
218
234
7’
13
23
41
57
78
95
111
131
148
165
184
199
7.5’ 11
20
38
54
72
89
105
123
138
157
174
187
75 80
85
90
95 100
261 279
292
303
306
308
221 235
246
256
259
261
209 223
234
242
245
247
8’
11
20
36
50
69
84
98
115
130
146
163
176
195 207
219
226
228
231
10’
8
16
29
40
54
67
79
92
104
118
131
140
157 167
175
182
183
185
Density Conversion Chart
The fertilizer meter charts are based on fertilizer with a
density of 65 pounds per cubic foot (1.04 kilograms per liter). If you are applying fertilizer of a different density, use
the following table to convert application rate.
Density, lb/ft3 (kg/l)
45.0 (0.72)
50.0 (0.80)
55.0 (0.88)
60.0 (0.96)
65.0 (1.04)
70.0 (1.12)
75.0 (0.87)
80.0 (0.81)
Conversion Factor
1.45
1.30
1.20
1.10
1.00
0.93
0.87
0.81
Example: Your fertilizer has a density of 75 pounds per cubic foot, and you want to apply 100 pounds per acre.
Multiply the desired application rate by the conversion
factor.
100 x 0.87 = 87
Adjust drill to the setting closest to 87 pounds per acre.
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
Adjustments
36
Marker Adjustments
Bleeding Marker Hydraulics
The markers must be properly bled to displace air in the
hydraulic system and for the sequence valve to work
properly. Failure to do so could cause marker to drop
quickly and cause damage to marker voiding the
warranty.
Overhead and Crushing Hazard:
Keep others away when folding or unfolding markers. Markers
may fall quickly and unexpectedly if hydraulics fail.
High Pressure Fluid Hazard:
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Check all hydraulic lines and fittings
before applying pressure. Fluid escaping from a very small
hole can be almost invisible. Use paper or cardboard, not
body parts, and wear heavy gloves to check for suspected
leaks. If injured, seek medical assistance from a doctor that is
familiar with this type of injury.
Check that tractor hydraulic reservoir is full before
bleeding the hydraulics. A low reservoir level may draw
air back into the system, causing jerky or uneven
cylinder movements.
JIC fittings do not require high torque. JIC and O-Ring
fittings do not require sealant. Always use liquid pipe sealant
when adding or replacing pipe thread fittings. To avoid
possible danger of cracking hydraulic fittings from
overtightening, do not use plastic sealant tape.
Dual Markers with Sequence Valve
Refer to Figure 25
1. Fold markers manually into transport position when
charging hydraulic system for the first time.
2. Disconnect cylinder pin (1) from rod end of
cylinders and marker link arms (2). Swing marker
link arm up and out of the way.
3. Connect hoses to tractor remote hydraulic outlets.
4. Loosen hose hydraulic fittings at rod end of marker
cylinders (3).
5. With tractor at idle speed, slowly work tractor
remote lever in the direction which would retract the
cylinder.
1402
Figure 25
Bleeding Marker Hydraulics
Note: Do not try to retract cylinder. The goal is to push
air from the lines leading to the cylinder. The
position of the sequence valve determines which
cylinder will react first.
8. Repeat steps 4 through 6 for the other cylinder.
6. When the air is expelled, oil will seep out around a
loosened fitting. Tighten the hose fitting.
10. Reconnect cylinders to marker link arms.
9. When the system is bled, move the tractor remote
lever several times until both cylinders stop when
fully extended.
7. Move tractor remote lever to fully extend cylinder and
hold for a few seconds. This will shift the sequence
valve which will allow you to bleed the other cylinder.
10/21/15
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Index
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1205NT
Table of Contents
Index
Adjustments
37
Single/Dual Markers without Sequence Valve
Refer to Figure 26
1. Fold markers manually into transport position when
charging hydraulic system for the first time.
2. Disconnect cylinder pin (1) from rod end of
cylinders and marker link arms (2). Swing marker
link arm up and out of the way.
3. Connect hoses to tractor remote hydraulic outlets.
4. Loosen hose hydraulic fittings at rod end of marker
cylinders (3).
5. With tractor at idle speed, slowly work tractor
remote lever in the direction which would retract the
cylinder.
Figure 26
Bleeding Marker Hydraulics
Note: Do not try to retract cylinder. The goal is to push
air from the lines leading to the cylinder. The
position of the sequence valve determines which
cylinder will react first.
6. When the air is expelled, oil will seep out around a
loosened fitting. Tighten the hose fitting.
7. Move tractor remote lever to fully extend cylinder and
hold for a few seconds.
8. If you have dual markers, repeat steps 4 through 6.
9. When the system is bled, move the tractor remote to
fully extend marker cylinders.
10. Reconnect cylinders to marker link arms.
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
Adjustments
38
Folding Speed with Sequence Valve
Refer to Figure 27
The marker hydraulic system is equipped with needle
valves to control how fast each marker operates. The
needle valves are built into the sequence valve body.
Adjust folding speed with hex adjustment screws on the
sequence valve body. There is one adjustment screw
for raising speed (1) and one for lowering speed (2).
Identify adjustment screws by markings stamped in
valve body.
14048
With tractor idling at a normal operating speed, adjust
marker folding to a safe speed. Turn adjustment screws
clockwise to decrease folding speed and
counterclockwise to increase folding speed. Excessive
folding speed could damage markers and void the
warranty.
Figure 27
Marker Sequence Valve
After adjusting folding speed, tighten jam nuts on hex
adjustment screws to hold settings.
Markers cycle in the following sequence:
1. Right up, Left up
2. Right down, Left up
3. Right up, Left up
4. Right up, Left down
5. Sequence repeats.
Folding Speed with Needle Valve
Refer to Figure 28
Needle valves control the speed of each marker and is
located at the rod ends of the marker cylinders.
With tractor idling at a normal operating speed, adjust
marker folding to a safe speed. Turn adjustment knob
clockwise to reduce folding speed or counterclockwise
to increase folding speed. Excessive folding speed
could damage markers and void the warranty.
Figure 28
Single Marker Needle Valve
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
Adjustments
39
Marker Disk Adjustment
The aggressiveness and the mark left by the disc may be
changed by two methods:
Changing disk angle. Refer to Figure 29. To change
angle of cut, loosen two 1/2 inch bolts (1) and rotate
disk assembly. Tighten bolts.
Changing disk tip. To change the tip of the disk,
loosen two 1/2 inch bolts (2) and rotate disk assembly
until marker disk is square with the ground.
Marker Width Adjustment
To change marker width, loosen marker tube U-bolt (3),
see Figure 29. Slide the marker tube in or out to desired
width. Tighten U-bolt.
Figure 29
Marker Disc Adjustment
Seed Lok Lock Up
Refer to Figure 30
1
Optional Seed-Lok firming wheels provide additional
seed-to-soil contact. The wheels are spring loaded and
do not require adjusting. In some wet and sticky
conditions the wheels may accumulate soil.
To lock up the firming wheels, hook one end of the
chain in the opener-body hole just above the wheel arm
(1). Pull the firming-wheel arm (2) up as high as
possible and wrap the chain around the arm. Hook the
other end of the chain in a link. Leave no slack in the
chain; secure the wheel arm in the highest position.
2
1685
Figure 30
Seed Lok Lock Up
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
Adjustments
40
Spring Tine Harrow
Refer to Figure 31
Harrow Tine Angle
This shows a successful harrow position for no-till and
minimum-till conditions. Because of different soil
moisture, trash levels and trash types, you may need to
reposition the tube frame or tines. Initially position the
frame and tines as shown, then readjust as necessary.
Direction of Travel
Figure 31
Tine Angles
Harrow Frame and Tine Adjustment
Refer to Figure32
To adjust harrow frame loosen the four hex nuts (1) on
the U-bolts and rotate frame tube (2) as necessary.
To adjust tines, loosen the four 1/2-inch hex nuts (3) on
the 1/2-inch U-bolts (4) on the support bar (5). Rotate
tine tubes (6) so tines (7) are against stop bushings (8)
and are angled back as necessary. Tighten hex nuts on
U-bolts.
Harrow Chain
In clean, tilled, extremely loose soils, harrow chain may
need to be shortened to lift harrow off the ground.
Figure 32
Frame and Tine Adjustment
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
41
Troubleshooting
Problem
Cause
Solution
Uneven seed spacing or
uneven stand
Excessive field speed.
Reduce field speed.
Feed cups plugging.
Clean out feed cups.
Seed tubes plugging.
Clean out seed tubes.
Opener disks not turning freely.
See “Opener disks not turning freely” in this
Troubleshooting section.
Opener not penetrating low spots.
Adjust opener, page 24.
Trash or mud build up on Seed Lok.
Lock up Seed Lok, page 39.
Use faster drive type speed and close feed cup
flutes to a more narrow position.
Uneven seed depth
Excessive field speed.
Reduce field speed.
Planting conditions too wet.
Wait until drier weather.
Drill not level.
Readjust, page 17.
Incorrect hitch height.
Readjust hitch height, page 14.
Seed Lok building up with dirt.
Lock up Seed Lok.
Opener disks not turning freely Trash or mud build up on disc scraper.
Adjust scraper, page 25.
Scraper adjusted too tight, restricting move- Adjust scraper, page 25.
ment.
Actual seeding rate different
than desired
Excessive seed cracking
Acremeter does not measure
accurately.
Failed disc bearings.
Replace disc bearings.
Bent or twisted opener frame.
Replace opener frame.
Planting conditions too wet.
Wait until drier weather.
Seed Lok is plugging opener.
Lock up Seed Lok, page 39.
Too much opener down pressure.
Readjust opener down pressure, page 24.
Incorrect press wheel adjustment.
Readjust press wheel, page 24.
Improper tire size or air pressure.
Check tire size and air pressure, page 54.
Build up of seed treatment in feed cup.
Clean out seed treatment from feed cups.
Incorrect rate adjustment.
Check gearbox setting and seed-rate handle
setting, page 26.
Excessive field speed.
Reduce field speed.
Feed cup flutes not open enough.
Open feed cups to a wider position.
Feed cup door handle not open enough.
Open feed cup door handle to a lower position.
Incorrect tire size or air pressure.
Correct tire size or air pressure, page 54.
Excessive overlap or gaps between passes.
NOTE: Acremeter is most
accurate when seeding back and Soil conditions.
forth with markers with few
headlands, curves and point
rows.
Acremeter not for your width of drill.
Actual field size different.
10/21/15
Table of Contents
Avoid overlap or gaps. Check marker adjustment,
page 39.
Loose soil and slippage will cause variations in
acres registered.
Refer to parts manual.
Verify field size.
Index
150-131M
1205NT
Table of Contents
Index
Troubleshooting
Problem
Cause
Press wheels not compacting
soil as desired
Too wet or cloddy.
Wait until drier weather or rework ground.
Incorrect hitch height.
Readjust hitch height, page 14.
Press wheel depth does not match coulter
depth.
Readjust press wheel depth, page 24.
Not enough down pressure on disk openers.
Increase down pressure on openers, page 24.
42
Solution
Grain box not emptying evenly Some models do not have same number of
feed cups between each divider of bulkhead.
Press wheel or openers plugging
Planting conditions too wet.
Wait until drier weather.
Too much down pressure on openers.
Reduce down pressure on openers, page 23.
Backed up with drill in the ground.
Clean out and check for damage.
Failed disk bearings.
Replace disk bearings.
Scraper worn or damaged.
Replace scraper.
Wheel arm pivot casting needs lubricating.
Lubricate wheel arm pivot castings.
Leaking hydraulic fittings.
Check fittings for leaks, see page 18 for safety
message.
Rephasing cylinders not bled properly.
See page 16 for information.
Foreign matter lodged in one or more feed
cup sprockets.
Clean out feed cup sprockets. Use clean seed.
Dried liquid insecticide inside feed cups.
Remove build up by disassembling each feed
cup and scraping foreign substance from turn
surfaces.
Coulters not going deep
enough
Not enough weight.
See page 23 for correct weight.
Coulters and drill going too
deep
Too much weight.
See page 23 for correct weight.
Incorrect depth control setting.
Reset depth control, page 22.
Incorrect press wheel adjustment.
Set press wheels to a shallower depth.
Raising and lowered drill is
rough or uneven
Feed cup sprockets locked up
or twisted feed cup drive shaft
Drill at a slight angle to rows.
Coulters and openers plugging
in no-till conditions
Small seeds box not emptying
evenly
Adjustable divider not set evenly.
Move adjustable divider to create more volume in
areas that run out first.
Marker functioning improperly
Hose fittings or connections not tight.
Check all hose fittings and connections for oil
leaks. See page 18 for safety message.
Low tractor hydraulic oil level.
Add hydraulic oil.
Marker disk does not mark
Missing or loose bolts or fasteners.
Check and tighten all bolts and fasteners.
Needle valve plugged.
Open needle valve, cycle markers slowly and reset
needle valve, refer to page 38.
Marker folding linkage does not have
enough slack to allow marker disk to drop
into field depressions.
Maximum down float should be limited by the slot
at rod end of marker cylinder. Make sure marker
cylinder is fully extended.
Reverse marker disk to pull or throw dirt.
Chain
10/21/15
Debris, retainer clip
Table of Contents
Be sure retainer clip is facing opposite way of
chain travel.
Index
150-131M
1205NT
Table of Contents
Index
43
Maintenance and Lubrication
General Maintenance
Proper servicing and adjustment is the key to long
implement life. With careful and systematic inspection,
you can avoid costly maintenance, downtime and
repair.
Always turn off and remove the tractor key before
making any adjustments or performing maintenance.
OFF
Crushing Hazard:
You may be severely injured or killed by being crushed under
the falling implement. Always have transport locks in place
and frame sufficiently blocked up when working on
implement.
High Pressure Fluid Hazard:
Escaping fluid under pressure can have sufficient pressure to
penetrate the skin. Check all hydraulic lines and fittings
before applying pressure. Fluid escaping from a very small
hole can be almost invisible. Use paper or cardboard, not
body parts, and wear heavy gloves to check for suspected
leaks. If injured, seek medical assistance from a doctor that is
familiar with this type of injury.
1. After using your drill for several hours, check all
bolts to be sure they are tight.
2. Lubricate areas as noted under Lubrication
(Intervals), next page.
3. Adjust idlers to remove excess slack from chains.
Clean and use chain lube on all roller chains as
needed.
4. Always maintain correct tire pressure. Refer to Tire
Inflation Chart, page 58.
5. Clean out build up of seed treatment in feed cups.
6. Replace any worn, damaged or illegible safety
labels at once. Refer to Safety Labels, “Important
Safety Information,” page 1, for correct label
placement. Obtain new labels from your Great
Plains dealer.
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
Maintenance and Lubrication
44
Folding Marker Breakaway
Refer to Figure 33
The marker arm has a pivot at the hinge which is
connected rigid with a 5/16 inch bolt (1). The shear bolt
will break if excessive force is put on marker during
operation allowing marker arm to swing away rather
than cause damage to the marker.
Di
c
re
el
av
r
t
f
no
t io
Note: The shear bolt is a 5/16 x 1 1/2 inch grade 5 bolt
and is identified by three markings on the head,
see page 53. It must be replaced by an equivalent
grade 5 bolt to prevent marker damage.
Figure 33
Folding Marker Breakaway
Storage
Store the drill where children do not play. If possible,
store the drill inside for longer life.
1. Unload seed box.
2. Thoroughly clean seed and seed-treatment residue
from boxes and feed cups.
3. Remove any dirt and debris that can hold moisture
and cause corrosion.
4. Lubricate and adjust all roller chains.
5. Take special care to oil feed cup drive sprocket in its
square bore.
6. Lubricate areas noted under “Lubrication”, page 45.
7. Inspect drill for worn or damaged parts. Make repairs
and service during the off season.
8. Use spray paint to cover scratches, chips and worn
areas on the drill to protect the metal.
9. Disconnect seed hoses from openers. Permanent
elongation and premature cracking of hoses may
occur if stored connected.
10. Cover with a tarp if stored outside.
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
45
Lubrication
Multi-purpose
spray lubricant
Multi-purpose
oil lubricant
Multi-purpose
grease lubricant
Inspection
50
Intervals
(operating hours)
at which service
is required
34208
Grease Banks
8
Type of lubrication: Grease
Quantity = Until resistance is felt.
14753
Clutches
8
Two zerks on each.
Smear grease on clutch engagement teeth.
Type of lubrication: Grease
Quantity = Until grease emerges
14755
Clutch Linkage
8
Type of lubrication: Multi-Purpose Spray Lube
Quantity = Coat thoroughly
14756
Feed Cup Drive Sprocket Bore
10
Type of lubrication: Oil
Quantity = Coat sprocket bore thoroughly; move seed
rate handle back and forth to get oil into sprocket bore.
12126
10/21/15
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Table of Contents
Index
Lubrication
46
Master Link Arm
10
Type of lubrication: Multi-Purpose Oil
Quantity = Coat thoroughly
14058
Marker Hinge Points
10
Type of lubrication: Grease
Quantity = Until grease emerges
1406
Gauge Wheel Arms
15
Type of Lubrication: Grease
Quantity = Until grease emerges
14752
Small Seeds Drive Sprocket Hanger Bearing
15
Type of lubrication: Grease
Quantity = Until grease emerges
12225
10/21/15
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Table of Contents
Index
Lubrication
47
Fertilizer Tray Bearings
15
Both ends of shaft
Type of lubrication: Grease
Quantity = Until grease emerges
12506
Drive Chains
As
Required
Type of lubrication: Chain Lube
Quantity = Coat thoroughly
12227
Gearbox
The gearbox is lubricated and sealed at the factory.
Under normal conditions, it does not require
maintenance or lubrication.
If the gearbox has been opened for repair, repack all
gears and around shaft bearings using at least 7 oz. of
gear lube, Great Plains Part No. 788067.
Keep moisture and dirt out of gearbox. Inspect (replace
if needed) the rubber seals on gearbox drive and shifter
shafts.
Spread a small skin coat of anaerobic sealant (Loctite
525 or equivalent) to gear case mating surfaces before
bolting them back together.
14757
Use sparingly. Excess sealant may squeeze off the intended
surface and lock bearings or gears.
10/21/15
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Index
Lubrication
48
Fertilizer Felt Barrier Washers
30
Next to each fertilizer-tray bearing
Type of lubrication: Oil
12507
Small Seeds Feed Cup Drive Sprocket
50
Type of lubrication: Oil
Quantity = Coat sprocket bore thoroughly
12226
Wheel Bearings
Seasonally
Type of lubrication: Grease
Quantity = Repack
14751
Coulter Hub Bearings
Seasonally
Type of lubrication: Grease
Quantity= Until resistance is felt
12507
Marker Disc Bearings
Seasonally
Type of lubrication: Grease
Quantity = Repack
14059
10/21/15
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Index
150-131M
1205NT
Table of Contents
Index
49
Options
Seed Box Agitator
The seed box agitator is designed to stir the seed directly
above the metering cups. It is intended to cut down on
the “bridging” of light fluffy seeds, and help to separate
individual soybeans that become sticky from inoculant.
Note: The seed box agitator will not guarantee consistent
seeding of hard to meter seeds such as Brome
Grass or “bin run” seed that contains crop residue.
For lubrication points, refer to “Lubrication”, page 45.
To order the seed box agitator, contact your Great Plains
dealer.
Agitator Packages
12682
row spacing
(inches)
With
small seeds
or fertilizer
Without
small seeds
or fertilizer
7
7.5
8
10

Part Number
118-604A

118-605A

118-606A


118-607A
118-608A

118-609A

118-610A

118-611A
Harrow Attachment
The coil-tine harrow finishes no-till surfaces by leveling
and distributing residue for enhanced seed germination.
For information on how to adjust the harrow, refer to
“Harrow Adjustment”, page 40.
To order the harrow attachment, contact your Great
Plains dealer.
Harrow Package
Harrow Attachment
Part Number
116-162A
14024
10/21/15
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1205NT
Table of Contents
Index
Options
50
Folding Marker
The folding marker is a center ground marking disk unit
which can be mounted on either the right or left side or
both sides of the drill. When mounted on both ends, the
controls can be on separate hydraulic circuits or, by
means of a sequence valve.
For information on how to adjust the marker, refer to
“Marker Adjustments”, page 36. For lubrication points,
refer to “Lubrication”, page 45.
To order the folding marker, contact your Great Plains
dealer..
Marker Package
Dual Markers with Sequence Valve
Single Marker - Left Hand
Single Marker - Right Hand
Part Number
113-532A
113-540A
113-546A
13995
Seed-Lok® Firming Wheels
The spring-loaded Seed-Lok firming wheel presses
seed directly into the bottom of the seed bed. The
Seed-Lok option provides more even emergence since
seeds are planted and firmed at the same depth.
To order the Seed-Lok firming wheels, contact your
Great Plains dealer.
Seed Lok Packages
Seed Lok Assembly
Part Number
122-193K
1267
Small Seeds Attachment
The small seeds attachment is designed to meter
various small seeds. It is driven independently of the
main seed box. The small seeds box is 0.24 bushel per
foot (27.7 liters/meter) with a total capacity of 2.62
bushes (92.3 liters).
The small seeds attachment is available with two seed
release point options: Y-tube release and press wheel
release.
With the Y-tube release, seed metered out of the small
seeds box is directed into the main seed tube, and
drops between the disk blades at the bottom of the
opener trench.
13734
With the press wheel release, a separate small seed
drop hose is installed on each opener. This releases
the seed just ahead of the opener’s depth controlling
press wheel.
For seed rates and adjustments, refer to “Small Seeds
Attachment”, page 31. For lubrication points, refer to
“Lubrication”, page 45.
10/21/15
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Index
Options
51
To order the small seeds attachment, contact your
Great Plains dealer.
Small Seeds
Packages
row spacing
Part Number
(inches)
Without agitator
7
7.5
8
10




With agitator




Y-tube
Press Wheel
123-992A
123-991A
123-994A
123-993A
123-996A
123-995A
123-998A
123-997A
123-984A
123-983A
123-986A
123-985A
123-988A
123-987A
123-990A
123-989A
Fertilizer Attachment
The fertilizer attachment allows you to plant seed and
apply fertilizer in the same field pass. The fertilizer box
mounts on the rear of the main drill box. A fertilizer drive
meters dry, granular fertilizer.
For fertilizer meter rate calibrating and charts, refer to
“Fertilizer Meter Rate”, page 34. For lubrication points,
refer to “Lubrication”, page 45.
To order the fertilizer attachment, contact your Great
Plains dealer.
Fertilizer Packages
Part Number
Fertilizer Assembly - 7 inch rows
142-708A
Fertilizer Assembly - 7.5 inch rows
142-709A
Fertilizer Assembly - 8 inch rows
142-710A
Fertilizer Assembly - 10 inch rows
142-711A
10/21/15
1098
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1205NT
Table of Contents
Index
52
Appendix A - Reference Information
Specifications and Capacities
Row Spacing, Inches
7
7-1/2
8
10
Rows Per Drill
20
19
18
14
Weight, Pounds
6100
5965
5830
5290
Transport Width
15 Feet 7 Inches
Seedbox Capacity
2.4 Bushel per Foot
Tire Size
11 x 22.5 6-Ply Rib Implement
Tractor Requirements
75 Horsepower Minimum
Planting Position
1393
Transport Position
10/21/15
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150-131M
1205NT
Table of Contents
Index
Appendix A - Reference Information
53
Torque Values Chart
Bolt Head Identification
Bolt Head Identification
Bolt
Size
Bolt
Size
Grade 2
in-tpia
Grade 5
Grade 8
8.8
10.9
Class 5.8
Class 8.8
Class 10.9
N-m
ft-lb
N-m
ft-lb
N-m
ft-lb
4
3
6
5
9
7
N-mb
ft-lbd
N-m
ft-lb
N-m
ft-lb
1
7.4
5.6
11
8
16
12
1
⁄4-28
8.5
6
13
10
18
14
M6X1
7
5
11
8
15
11
5⁄
16-18
15
11
24
17
33
25
M 8 X 1.25
17
12
26
19
36
27
16-24
3⁄ -16
8
3⁄ -24
8
7
⁄16-14
7
⁄16-20
1
⁄2-13
1
⁄2-20
9
⁄16-12
9⁄ -18
16
5
⁄8-11
5⁄ -18
8
3⁄ -10
4
3
⁄4-16
7
⁄8-9
7
⁄8-14
17
13
26
19
37
27
M8X1
18
13
28
21
39
29
27
20
42
31
59
44
M10 X 1.5
33
24
52
39
72
53
31
22
47
35
67
49
M10 X 0.75
39
29
61
45
85
62
43
32
67
49
95
70
M12 X 1.75
58
42
91
67
125
93
49
36
75
55
105
78
M12 X 1.5
60
44
95
70
130
97
66
49
105
76
145
105
M12 X 1
90
66
105
77
145
105
75
55
115
85
165
120
M14 X 2
92
68
145
105
200
150
95
70
150
110
210
155
M14 X 1.5
99
73
155
115
215
160
105
79
165
120
235
170
M16 X 2
145
105
225
165
315
230
130
97
205
150
285
210
M16 X 1.5
155
115
240
180
335
245
150
110
230
170
325
240
M18 X 2.5
195
145
310
230
405
300
235
170
360
265
510
375
M18 X 1.5
220
165
350
260
485
355
260
190
405
295
570
420
M20 X 2.5
280
205
440
325
610
450
⁄4-20
5⁄
mm x
pitchc
5.8
M 5 X 0.8
225
165
585
430
820
605
M20 X 1.5
310
230
650
480
900
665
250
185
640
475
905
670
M24 X 3
480
355
760
560
1050
780
1-8
340
250
875
645
1230
910
M24 X 2
525
390
830
610
1150
845
1-12
370
275
955
705
1350
995
M30 X 3.5
960
705
1510
1120
2100
1550
11⁄8-7
480
355
1080
795
1750
1290
M30 X 2
1060
785
1680
1240
2320
1710
11⁄8-12
11⁄4-7
11⁄4-12
13⁄8-6
13⁄8-12
11⁄2-6
540
395
1210
890
1960
1440
M36 X 3.5
1730
1270
2650
1950
3660
2700
680
500
1520
1120
2460
1820
M36 X 2
1880
1380
2960
2190
4100
3220
750
555
1680
1240
2730
2010
890
655
1990
1470
3230
2380
a. in-tpi = nominal thread diameter in inches-threads per inch
b. N· m = newton-meters
11⁄2-12
1010
745
2270
1670
3680
2710
1180
870
2640
1950
4290
3160
1330
980
2970
2190
4820
3560
c. mm x pitch = nominal thread diameter in mm x thread pitch
d. ft-lb = foot pounds
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
25199m
25199
10/21/15
150-131M
Table of Contents
Index
1205NT
Table of Contents
Index
Appendix A - Reference Information
54
Tire Inflation Chart
Tire Size
7.50 x 20" 4-Ply Drill Rib
9.0 x 22.5 10-Ply Highway Service 70
9.0 x 24" 8-Ply Rib Implement
9.5L x 15" 6-Ply Rib Implement
9.5L x 15" 8-Ply Rib Implement
9.5L x 15" 12-Ply Rib Implement
265/70B16.5 NHS Skid Steer
Inflation PSI
28
70
40
32
44
60
60
Tire Size
11L x 15" 6-Ply Rib Implement
11L x 15" 8-Ply Rib Implement
12.5L x 15" 8-Ply Rib Implement
12.5L x 15" 10-Ply Rib Implement
12.5L x 15" 20-Ply Rib Implement
41 x 15" x 18 - 22-Ply Rib Implement
395/55B16.5 NHS Skid Steer
Inflation PSI
28
36
36
44
90
44
60
Note: All tires are warranted by the original manufacturer of the tire. Tire warranty information can be found in the
brochures included with your Operator’s and Parts Manuals or online at the manufacturer’s websites. For service
assistance or information, contact your nearest Authorized Farm Tire Retailer.
Manufacturer
Website
Titan
10/21/15
www.titan-intl.com
Goodyear
www.goodyearag.com
Firestone
www.firestoneag.com
Table of Contents
Index
150-131M
1205NT
Table of Contents
Index
Appendix A - Reference Information
55
2-Year Limited Warranty (Yield-Pro Planters)
Great Plains Mfg., Inc. warrants to the original purchaser that this seeding equipment
will be free from defects in material and workmanship for a period of one year from the
original purchase date when used as intended under normal service conditions for
personal use. This Warranty is limited to the replacement of any defective part by Great
Plains Manufacturing and the installation by the dealer of any such replacement part
during the first year of operation. Second year warranty covers parts only, excluding
general ground engaging parts and labor. Items covered under the second year
warranty are as follows (parts only): hitch and main frame, gauge wheels, markers, air
box/ manifold, Y- splitter tubes, fan and housing, row unit weldments, unit mounted
attachments and frame mounted attachments. Great Plains Mfg., Inc. reserves the right
to inspect any equipment or part which are claimed to have been defective in material or
workmanship. This Warranty does not apply to any part or product which, in the
judgment of Great Plains Mfg., Inc., shall have been misused or damaged by accident;
or, lack of normal maintenance or care; or, which has been repaired or altered in a way
which adversely affect its performance or reliability; or, which has been used for a
purpose for which the product is not designed. This Warranty shall not apply if the
product is towed at a speed in excess of 20 miles per hour. Soils containing rocks,
stumps or other obstructions may void the warranty in its entirety.
Claims under this Warranty must be made to the dealer which originally sold the unit
and all warranty adjustments must be made through such dealer. Great Plains Mfg.,
Inc. reserves the right to make changes in materials or design of the product at any time
without notice. This Warranty shall not be interpreted to render Great Plains Mfg., Inc.
liable for damages of any kind, direct, consequential, or contingent to property.
Furthermore, Great Plains Mfg., Inc. shall not be liable for damages resulting from any
cause beyond its control. This Warranty does not extend to loss of crop, losses caused
by harvest delays or any expense or loss of labor, supplies, rental machinery, or for any
other reason.
No other warranty of any kind whatsoever, express or implied, is made with
respect to this sale; and all implied warranties of merchantability and fitness for a
particular purpose which exceed the obligations set forth in this written warranty
are hereby disclaimed and excluded from this sale.
This Warranty is not valid unless registered with Great Plains Mfg., Inc. within 10 days
from the date of original date of purchase.
This Warranty does not cover damage caused by acts of God or accidents.
This Warranty does not cover units with excess use or units used in custom farming.
NOTE: Effective August 17, 2007; The Extended 2 Yr. Warranty covers only units
utilizing these configurations: 1) Yield-Pro (YP) Frames, 2) 25 Series Row Units,
and 3) Singulating Meters. All three criteria must be met to qualify for 2-Year
Limited Warranty.
27120
10/21/15
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150-131M
1205NT
Table of Contents
Index
10/21/15
Table of Contents
Index
Appendix A - Reference Information
56
150-131M
1205NT
Cover
Table of Contents
57
Index
A
Acremeter ...........................................41
acremeter, operation ..........................33
amber reflector .....................................7
B
bleeding hydraulic systems ................15
C
capacities ...........................................52
CAUTION, defined ...............................1
Charts
Fertilizer density conversion ........35
Fertilizer rate chart ......................35
Seed rate .............................. 28–30
chemicals ........................................ 2, 4
children .................................................3
clothing .................................................2
Coulter
Depth control ........................ 22, 42
Down pressure
weights .................................42
Plugging ......................................42
Coulter Tines ......................................49
cylinder symbols .................................15
D
DANGER, defined ................................1
decal replacement ................................6
decals
caution
falling ....................................10
no step ...................................9
tires ........................................9
danger
chain ......................................7
warning
clevis ......................................9
hydraulic .................................8
moving parts ..........................8
speed .....................................8
tongue weight .........................7
decal, safety .........................................6
Description of Unit ..............................11
disposal, chemical ................................4
dusts .....................................................2
E
equipment, safety .................................2
F
Feed-cup doors ........................... 27, 41
Fertilizer
Density conversion ......................35
Fertilizer attachment ...........................51
Fertilizer rate chart
See Charts, Fertilizer rate chart
10/21/15
fire ........................................................ 1
G
Gearbox ............................................. 26
General Maintenance ......................... 43
gloves ................................................... 2
goggles ................................................ 2
granules ............................................... 2
H
Harrow
Adjustments ................................ 40
Chain .......................................... 40
Frame adjustment ....................... 40
Tine adjustment .......................... 40
Tine angle ................................... 40
headphones ......................................... 2
hearing protection ................................ 2
herbicide .............................................. 2
high pressure fluids .............................. 2
hitch height adjustment ...................... 14
Hitching .............................................. 13
Hitch height ................................. 41
hydraulic safety .................................... 2
Hydraulics
Bleeding ...................................... 16
Cylinder locks ............................. 20
Marker ......................................... 36
Parking ........................................ 21
Plastic hose holder ..................... 15
Rephasing cylinders .............16, 42
I
Introduction ........................................ 11
J
Jack
Parking ........................................ 21
L
leaks ...............................................2, 15
Leveling .............................................. 17
lights ..................................................... 3
Lock-out hub ...................................... 21
M
Maintenance and Lubrication .......43, 44
maintenance safety .............................. 5
Marker
Adjustments ......................... 36–??
Bleeding hydraulics ..................... 36
Disk adjustment .......................... 39
disk tip ................................. 39
Folding breakaway ...................... 44
Folding speed ............................. 38
Needle valve .........................38, 42
Sequence cycle .......................... 38
Sequence valve ....................19, 38
Cover
Table of Contents
needle valve .........................38
Shear bolt ....................................44
Transporting ................................21
Width adjustment.........................39
Markers...............................................50
medical assistance ...............................2
mist, spray ............................................2
O
Opener
Down pressure ..................... 41, 42
Frame damage ............................41
Plugging ......................................42
Press wheels ................. 24, 41, 42
plugging ...............................42
Scraper ........................................41
Springs ........................................24
Operating Instructions ........................18
Owner Assistance...............................12
P
personal safety equipment ...................2
pesticide ...............................................2
Plastic hose holder
See Hydraulics, Plastic hose holder
powders, wettable.................................2
Preparation and Setup........................13
prestart checklist.................................18
protective equipment ............................2
R
red reflector ..........................................6
reflector
amber ............................................7
red .................................................6
SMV...............................................6
reflectors, safety ...................................6
respirator ..............................................2
riders.....................................................3
S
Safety
Chain
hitching .................................14
parking .................................21
safety chain ..........................................3
safety decal ..........................................6
safety equipment ..................................2
safety information .................................1
decals ............................................6
safety symbol........................................1
Seed Lok ..................................... 41, 50
Lock up ........................................39
Seed rate chart
See Charts, Seed rate
Seed treatment
Build up .......................................41
150-131M
1205NT
Seeding rate
Calibrating ...................................26
Drive type selection .....................26
Feed-cup doors ...........................27
shutdown ..............................................4
Slow Moving Vehicle ............................6
Small Seeds Attachment ....................50
SMV (Slow Moving Vehicle) .................6
specifications ......................................52
Specifications and Capacities ............52
spray mist .............................................2
Spring tine harrow
See Harrow
Storage ...............................................44
storage .................................................4
symbol, safety ......................................1
Cover
Table of Contents
58
838-406C, decal ................................... 9
848-021C, decal ................................... 9
T
Tire Inflation Chart ..............................54
tires .......................................................5
Torque Values Chart ..........................53
transport speed ....................................3
U
Using This Manual
Definitions ...................................11
Using this Manual ...............................11
W
WARNING, defined ..............................1
Weight Brackets .................................49
welding .................................................5
wettable powders .................................2
wind ......................................................4
Y
YP425A-0430 .....................................52
YP425A-08TR ....................................52
YP625A-0630 .....................................52
YP625A-12TR ....................................52
YP825A-0830 .....................................52
YP825A-16TR ....................................52
Numerics
13 mph .................................................3
152-314M, manual .............................33
152-325M, manual .............................33
194-074M, manual .............................33
194-209M, manual .............................33
20 mph .................................................3
22 kph ...................................................3
32 kph ...................................................3
818-019C, decal ...................................7
818-055C, reflector ...............................6
818-188C, decal ...................................8
818-398C, decal ...................................9
818-518C, decal ...................................7
818-860C, decal ...................................8
838-265C, reflector ...............................7
838-266C, reflector ...............................6
838-361C, decal .................................10
10/21/15
Cover
Table of Contents
150-131M
Table of Contents
Index
Table of Contents
Index
Table of Contents
Index
Great Plains Manufacturing, Inc.
Corporate Office: P.O. Box 5060
Salina, Kansas 67402-5060 USA
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