GREAT PLAINS 1510HDP User manual

Manufacturing, Inc.
www.greatplainsmfg.com
© Copyright 2018 Printed 2018-07-03 118-949M
EN
Table of Contents Index
Table of Contents Index
ORIGINAL INSTRUCTIONS
Operator Manual
1525P and 1510HDP
3-Point Precision Seeding System
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.
23034

Machine Identification
Record your machine details in the log below. If you replace this manual, be sure to transfer this information to the new
manual.
If you or the dealer have added options not originally ordered with the machine, or removed options that were originally
ordered, the weights and measurements are no longer accurate for your machine. Update the record by adding the
machine weight and measurements with the option(s) weight and measurements.
Dealer Contact Information
Model Number
Serial Number
Machine Height
Machine Length
Machine Width
Machine Weight
Year of Construction
Delivery Date
First Operation
Accessories
Name:
Street:
City/State:
Telephone:
Email:
Dealer’s Customer
No.:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

1525P and 1510HDP Cover Index Table of Contents
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© Copyright 2005, 2006, 2013, 2016 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
Table of Contents
Important Safety Information.................................................1
Safety Decals ....................................................................5
Introduction...........................................................................10
Models Covered ..............................................................10
Description of Unit ...........................................................10
Intended Usage ........................................................10
Document Family .....................................................10
Using This Manual...........................................................10
Definitions.................................................................10
Owner Assistance............................................................11
Further Assistance...........................................................11
Preparation and Setup .........................................................12
Initial Setup......................................................................12
Post-Delivery/Seasonal Setup.........................................12
Pre-Planting Setup ..........................................................12
Hitching Tractor to Drill....................................................13
3-Point Hitch.............................................................13
Hydraulic Hose Hookup...................................................14
Electrical Hookup .....................................................15
Leveling the Drill ..............................................................16
Single Gauge Wheel ................................................16
Operating Instructions .........................................................17
Pre-Start Checklist...........................................................17
Field Operation ................................................................18
Meter and Sliding Seed Tube ........................................19
Opener Operation............................................................19
Marker Operation.............................................................19
Transporting ....................................................................20
Check Tractor Capacity and Configuration ..............20
Remove Extra Drill Weights .....................................20
Unload Seed Box .....................................................20
Secure Markers ........................................................20
Transport Checklist ..................................................20
Ladder Operation.............................................................21
Marker Operation (Option)...............................................22
Independent Marker Operation ................................22
Single-Circuit Sequenced Marker Operation............22
Both Sides Unfolded (with Sequence Valve)............22
Field Set-Up Checklists ...................................................22
Planting............................................................................24
Checking Planting Rate...................................................24
Short-Term Parking .........................................................25
Long-Term Storage .........................................................25
Hydraulic Drive Operation ...................................................26
Drive Operational Requirements .....................................26
Hydraulic System: ....................................................26
Electrical System:.....................................................26
Tractor Hookup................................................................26
Hydraulics: ...............................................................26
Electrical:..................................................................26
Controller Menu...............................................................27
Console Functions...........................................................28
Basic Operation...............................................................28
Power Up .................................................................28
Seed Rate ................................................................28
Power Off .................................................................28
Hydraulic Drive Field Operations.....................................29
Seed Rate Calibration .....................................................30
Seed Rate Calibration Steps....................................30
Veris Drive Sprocket Change ..........................................31
Calibration Table-Finger Meter (High Range) Motor
24T Driving-Mainshaft 36T Driven ...........................31
Calibration Table-Singulating (Low Range) Motor 12T
Driving-Mainshaft 36T Driven...................................32
Calibration Table-Volumetric (Low Range) Motor 12T
Driving-Mainshaft 36T Driven...................................33
Calibration Table-Volumetric (Low Range) Motor 12T
Driving-Mainshaft 36T Driven...................................34
Prime Seed Meters ..................................................38
Full Calibration .........................................................40
Speed Calibration............................................................44
Varying Rates with Pre-set Function ...............................47
GPS-Based Planting .......................................................48
FarmWorks SiteMate ...............................................48
GP Precision Population Settings ............................49
Ag Leader PF3000 ...................................................50
Precision Population Settings ..................................51
Adjustments..........................................................................52
Frame Height...................................................................53
Single Gauge Wheels ..............................................53
Seeding Rate...................................................................53
Drive Speed Range Sprockets ........................................54
Transmission Sprockets ..................................................54
Shutting Off Seed Flow ...................................................55
Marker Adjustments ........................................................56
Marker Disk Adjustment ...........................................56
Bleeding Marker Hydraulics ....................................57
Folding Speed with Needle Valves ..........................58
Folding Speed with Sequence Valve .......................58
Marker Chain Adjustment.........................................59
Marker Lifting Slack..................................................59
Folding Slack............................................................59

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Marker Transport Carrier..........................................59
Marker Extension .....................................................60
Marker Extension Adjustment ..................................60
Marker Extension Values .........................................60
Reading a Marker Extension Diagram .....................61
Marker Extension for Various Opener Spacings .....62
Changing Seed Meter Wheel ...................................63
Changing Seed Meters to Finger Pickup..................64
Adjusting Finger Pickup Meter .................................68
General Planting Tips...............................................68
Brush ........................................................................68
Population Max Inserts.............................................68
10HD Series Row Adjustments .......................................69
25 Series Row Unit Adjustments .....................................70
Opener Depth...........................................................71
10HDP Opener Depth ..............................................71
25P Opener Depth ...................................................71
Row Unit Down Pressure .........................................72
10HDP Series Down-Pressure.................................72
Adjusting Row Unit Down Force...............................73
25P Series Down-Pressure ......................................74
Row Unit Shut Off.....................................................76
Seed Shut Off...........................................................76
Row Unit Lock-Up ....................................................77
Disengage Meter ......................................................78
Unit-Mount Cleaner Adjustments .............................78
Coulter Adjustments .................................................79
Coulter Depth Adjustment ........................................79
Coulter Row Alignment.............................................80
Row-Unit Opener Disk Adjustments.........................81
Setting Planting Depth..............................................81
Opener Disc Contact Region....................................82
Adjusting Disc Contact .............................................82
Double V Press Wheel Adjustment ..........................82
Side Gauge Wheel Adjustment ................................83
Adjusting Gauge Wheel Scrapers ............................84
Seed Firmer Adjustments.........................................85
Keeton®Seed Firmer Adjustment ............................85
Seed-Lok®Seed Firmer Lock-Up.............................85
Seed-Lok®Seed Firmer Lock-Up (old style) ............86
Press Wheel Adjustment ..........................................86
Press Wheel Down Pressure ...................................86
Press Wheel Stagger ...............................................87
Press Wheel Centering ............................................87
Troubleshooting ...................................................................88
Population Troubleshooting Charts ................................88
Maintenance and Lubrication ..............................................93
Maintenance ....................................................................93
Material Clean-Out .........................................................94
Seed Box Clean-Out ................................................94
Meter Clean-Out ......................................................94
Finger Pickup Meter Clean-Out................................95
Meter Maintenance ..................................................96
Meter Slide Maintenance..........................................96
Chain Tension ..........................................................98
Finger Meter Installation...........................................99
Finger Set Installation instructions ...........................99
Installation Steps ......................................................99
Annual Maintenance.................................................99
Precautions ..............................................................99
Sliding Seed Tube Maintenance ............................100
Outer Sliding Seed Tube Replacement..................100
Grommet Maintenance...........................................100
Chain Maintenance .......................................................101
Chain Slack ............................................................101
Chain Clips.............................................................101
Meter Drive Chain ..................................................101
Spreaders and Scrapers ...............................................102
Row-Unit Side Wheels ..................................................102
Seed Flap Replacement................................................103
Marker Maintenance......................................................104
Marker Shear Bolt ..................................................104
Marker Grease Seal Cap .......................................104
Bleeding Marker Hydraulics ...................................105
Lubrication.....................................................................106
Seed Lubricants .....................................................109
Options ................................................................................110
Appendix A - Reference Information ................................116
Specifications and Capacities .......................................116
Tire Inflation Chart.........................................................116
Torque Values Chart .....................................................118
Diagrams ......................................................................119
Single Gauge Wheel Sprocket Configuration.........119
Independent Markers (Option) ...............................120
Appendix B - Initial and Option Setup ..............................121
Pre-Delivery Items.........................................................121
Install Press Wheels...............................................121
Initial Setup....................................................................122
Seed Monitor Console Installation (Option) ...........122
Speed Sensor Setup (Option) ................................122
Magnetic Sensor Gap ............................................122
Initial Marker Setup ................................................123
Marker Speed Adjustment......................................123
Sequenced Dual Marker Speed Adjustment ..........123
Independent Marker Speed Adjustment.................123
Option Installation ..................................................124
122-278S Scraper Installation................................124
Warranty........................................................................125
Index ....................................................................................127

1525P and 1510HDP Table of Contents Index Important Safety Information
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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 4,
thoroughly.
Read all instructions noted on the decals.
Keep decals clean. Replace damaged, faded and illegible
decals.

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1525P and 1510HDP Table of Contents Index Important Safety Information
Wear Protective Equipment
Wear protective clothing and equipment.
Wear clothing and equipment appropriate for the job.
Avoid loose-fitting clothing.
Because prolonged exposure to loud noise can cause
hearing impairment or hearing loss, wear suitable
hearing protection such as earmuffs or earplugs.
Because operating equipment safely requires your full
attention, avoid wearing entertainment headphones while
operating machinery.
Handle Chemicals Properly
Agricultural chemicals can be dangerous. Improper use
can seriously injure persons, animals, plants, soil and
property.
Read and follow chemical manufacturer’s instructions.
Wear protective clothing.
Handle all chemicals with care.
Avoid inhaling smoke from any type of chemical fire.
Store or dispose of unused chemicals as specified by
chemical manufacturer.
Avoid High Pressure Fluids
Escaping fluid under pressure can 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 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.
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
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.

1525P and 1510HDP Table of Contents Index Important Safety Information
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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 drill 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 115.
Do not fold or unfold the drill while the tractor is moving
Shutdown and Storage
Lower drill, put tractor in park, turn off engine, and
remove the key.
Secure drill using blocks and supports provided.
Detach and store drill in an area where children normally
do not play.
Use A Safety Chain
Lower Use a safety chain to help control drawn machinery
should it separate from tractor drawbar.
Use a chain with a strength rating equal to or greater than
the gross weight of towed machinery.
Attach chain to tractor drawbar support or other specified
anchor location. Allow only enough slack in chain to
permit turning.
Replace chain if any links or end fittings are broken,
stretched or damaged.
Do not use safety chain for towing.
Tire Safety
Tire changing can be dangerous and should be
performed by 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.

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1525P and 1510HDP Table of Contents Index Important Safety Information
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 drill, 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 drill to cool completely.
Disconnect battery ground cable (-) before servicing or
adjusting electrical systems or before welding on drill.
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 drill 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 drill functions.
Operate machinery from the driver’s seat only.
Do not leave drill unattended with tractor engine running.
Do not stand between the tractor and drill 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
drill. Make sure all persons are clear of working area.
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.

1525P and 1510HDP Table of Contents Index Important Safety Information
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818-003C
Slow Moving Vehicle Reflector
On the back of the left seed box, near drill center;
1 total
17769
838-266C
Red Reflectors
On rear of walkboards, outside ends,
two total
17769
838-267C
Daytime Reflectors
On rear of walkboards, outside ends (inboard of reds),
two total
17769%

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1525P and 1510HDP Table of Contents Index Important Safety Information
838-265C
Amber Reflectors
On walkboard ends above ladders,
on the front face of the top front tool bar, outside ends;
four total
On markers (option),
On front face of first section of marker;
one or two total
18262
18270
818-590C
Danger: Crushing Hazard
Front face of lower front tool bar, left of 3-point hitch;
one total
18262

1525P and 1510HDP Table of Contents Index Important Safety Information
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818-682C (Option)
Warning: Marker Pinch/Crush
On markers (option),
On outside face of main inner arm tube when folded,
on front face of first section of marker;
two or four total
18270
818-337C
Warning: Speed Hazard
On front of top front tool bar, left of hitch;
one total
WARNING
EXCESSIVE SPEED
HAZARD
To Prevent Serious Injury or Death:
Do NOT exceed 20 mph maximum
transport speed. Loss of vehicle
control and/or machine damage
can result.
818-337C Rev. B
18262
818-339C
Warning: High Pressure Fluid Hazard
On front of lower front tool bar, left of hitch;
one total
18262%

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1525P and 1510HDP Table of Contents Index Important Safety Information
838-102C
Warning: Falling Hazard
Front face of lower front tool bar, left of 3-point hitch;
one total
818-398C
Caution: Falling Hazard
On front of top front tool bar, near gauge wheels;
two total
WARNING
To avoid serious injury or death:
Watch your step when climbing ladder or
walking on walkboard.
838-102C
18262
18262
818-587C
Caution: Read Operator’s Manual
On front face of lower front tool bar, left of hitch;
one total
WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Read Owner’s Manual before usingmachine.
Stand clear when foldingand unfoldingmarkers.
Stand clear when raisingand loweringmachine.
Keep all safety shieldsand devicesin place.
Keep hands, feet, and clothingaway from
Never ride on machine.
Alwayslower or properly support machine
Escapinghydraulic fluid can cause serious
Review safety instructionswith all operators
movingchainsand sprockets.
BEFORE servicing.
818-587C Rev. B
injury.
annually.
CAUTION
18262

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818-751C
Caution: Tire Pressure
On outside rim of each wheel;
four total
44
85
858-669C
18262

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1525P and 1510HDP Table of Contents Index Introduction
Introduction
Great Plains welcomes you to its growing family of new
product owners. The 3-Point Precision Seeding System
1525P and 1510HDP have been designed with care and
built by skilled workers using quality materials. Proper
setup, maintenance, and safe operating practices will
help you get years of satisfactory use from the machine.
Models Covered
Description of Unit
The 1525P is a 3-point mounted precision seeding
implement equipped with 25 Series openers. The
1510HDP model is outfitted with heavy duty parallel-arm
openers. The openers are staggered for easy residue
flow. Opener depth can be adjusted.
Intended Usage
Use the 3-Point Drill to seed production-agriculture
crops. Do not modify the drill for use with attachments
other than Great Plains options and accessories
specified for use with the 1525P and 1510HDP.
Document Family
Using This Manual
This manual will familiarize you with safety, assembly,
operation, adjustments, troubleshooting, and
maintenance. Read this manual and follow the
recommendations to help ensure safe and efficient
operation.
The information in this manual is current at printing.
Some parts may change to assure top performance.
Definitions
The following terms are used throughout this manual.
A crucial point of information related to the preceding topic.
Read and follow the directions to remain safe, avoid serious
damage to equipment and ensure desired field results.
Useful information related to the preceding topic.
Right-hand and left-hand as used in
this manual are determined by facing
the direction the machine will travel
while in use unless otherwise stated.
An orientation rose in some line art
illustrations shows the directions of:
Up, Back, Left, Down, Front, Right.
1510HDP-2475 15-Foot, 24-Row, 7.5 inch
1510HDP-1910 15-Foot, 19-Row, 10 inch
1510HDP-1315 15-Foot, 13-Row, 15 inch
1510HDP-12TR 15-Foot, 12-Twin Row, 30 inch pairs
1510HDP-19TRS 15-Foot, 19-Twin Row Split, 30 inch pairs
1525P-1910 15-Foot, 19-Row, 10 inch
1525P-1315 15-Foot, 13-Row, 15 inch
1525P-12TR30 15-Foot, 12 Twin Row, 30 in pairs
1525P-19TRS30 15-Foot, 19 Twin Row Split, 30 in pairs
Figure 1
3-Point Drill
18327
L
R
U
D
L
R
B
F
118-949M Owner’s Manual (this document)
118-949P Parts Manual
118-959B Seed Rate Charts
U
D
F
B
L
R

1525P and 1510HDP Table of Contents Index Introduction
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Owner Assistance
If you need customer service or repair parts, contact a
Great Plains dealer. They have trained personnel, repair
parts and equipment specially designed for Great Plains
products.
Refer to Figure 2
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 left end of the top front tool bar.
Record your 3-Point Drill model and serial number here
for quick reference:
Model Number:__________________________
Serial Number: __________________________
Your Great Plains dealer wants you to be satisfied with
your new machine. If you do not understand any part of
this manual or are not satisfied with the service received,
please take the following actions.
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.
Further Assistance
Great Plains Manufacturing, Inc. and your Great Plains
dealer want you to be satisfied with your new 3-Point
Drill. If for any reason you do not understand any part of
this manual or are otherwise dissatisfied, please take the
following actions first:
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.
Figure 2
Serial Number Plate
18307

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1525P and 1510HDP Table of Contents Index Preparation and Setup
Preparation and Setup
This section helps you prepare your tractor and 1525P
and 1510HDP Drill for use, and covers tasks that need to
be done seasonally, or when the tractor/drill configuration
changes.
Before using the drill in the field, you must hitch it to a
suitable tractor, inspect systems and level the drill.
Before using the drill for the first time, and periodically
thereafter, certain adjustments and calibrations are
required.
Initial Setup
See “Appendix B - Initial and Option Setup” on
page 120 for pre-delivery items (normally completed by
dealer), and first-time/infrequent setup tasks, including:
•(Marker option) adjust marker extension and speed
(page 122).
•(Option) install seed monitor console in tractor
(page 121).
Post-Delivery/Seasonal Setup
On initial delivery, use with a new tractor, and seasonally,
check and as necessary, complete these items before
continuing to the routine setup items:
•(Marker option) bleed hydraulic system (page 57).
•(Marker option) de-grease exposed cylinder rods if
so protected at last storage.
Pre-Planting Setup
Complete this checklist before routine setup:
Read and understand “Important Safety
Information” on page 1.
Check that all working parts are moving freely, bolts
are tight, and cotter pins are spread.
Check that all grease fittings are in place and
lubricated. See “Lubrication” on page 105.
Check that all safety decals and reflectors are
correctly located and legible. Replace if damaged.
See “Safety Decals” on page 4.
Inflate tires to pressure recommended and tighten
wheel bolts as specified. See “Tire Inflation Chart”
on page 115.
28341

1525P and 1510HDP Table of Contents Index Preparation and Setup
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Hitching Tractor to Drill
3-Point Hitch
1. Raise or lower tractor three-point arms as needed
and pin lower arms to drill.
2. Pin upper arm to drill. For category II, III and III-N
tractors, install hitch pin in the lower hole. For
category IV-N tractors, install hitch pin in the upper
hole.
3. Slowly raise drill. Watch for cab interference.
4. Adjust top three-point link so that top edge of drill
box is parallel with ground when drilling.
Do not use link to adjust opener depth. For opener
adjustments, refer to page 70.
5. Set your tractor three-point-draft control to float
position.
6. Plug lead from drill light harness into tractor
receptacle.
Load Sway Hazard:
Adjust 3-point hitch arms and sway blocks to minimize any
side-to-side sway to assure proper tracking in the field, and
safe road travel.
1. Great Plains 3-Point drills are engineered to be used
with Category II or III tractors. 15’ and 20’ 3-Point
Drills are factory set for Category II tractors. To
change to Category III, exchange the left hand pin
support with the right hand as shown.
2. In addition, the following bushings (not supplied by
Great Plains) may be needed to fit your quick hitch or
tractor’s 3-point arms:
3. Be sure that all tractor 3-Point arms are securely
pinned before lifting the drill. Adjust the top 3-Point
link so that the top edge of the box is parallel with the
ground.
4. DO NOT use the link to adjust the depth of opener
penetration. Three hitch pins are furnished with each
3-Point drill.
5. Set your tractor 3-Point draft control in the float
position.
6. Raise or lower tractor three-point arms as needed
and pin lower arms to drill.
Upper Link 1: OD X 1 1/4 OD
Lower Links 1 1/8" OD X 1 7/16" OD.
Crushing Hazard:
Do not stand or place any body part between drill and moving
tractor. You may be severely injured or killed by being crushed
between the tractor and drill. Stop tractor engine and set
parking brake before attaching cables and hoses.
Category II Hitch
Category III Hitch
19322

Great Plains | 118-949M | 2018-07-03 Table of Contents Index 14
1525P and 1510HDP Table of Contents Index Preparation and Setup
Hydraulic Hose Hookup
Crushing Hazard:
Do not stand or place any body part between planter and
moving tractor. You may be severely injured or killed by being
crushed between the tractor and planter. Stop tractor engine
and set parking brake before attaching cables and hoses.
High Pressure Fluid Hazard:
Relieve pressure before disconnecting hydraulic lines. Use
paper or cardboard, NOT BODY PARTS, to check for leaks.
Wear protective gloves and safety glasses or goggles when
working with hydraulic systems. Escaping fluid under pressure
can have sufficient pressure to penetrate the skin causing
serious injury. If an accident occurs, seek immediate medical
assistance from a physician familiar with this type of injury.
Only trained personnel should work on system hydraulics.
Great Plains hydraulic hoses are color coded handle
grips to help you hookup hoses to your tractor outlets.
Hoses that go to the same remote valve are marked with
the same color.
Current Style Color Coded Hose Handles
Refer to Figure 3
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.
For the hydraulic motor, connect the hose under the
retracted cylinder symbol to the pressure side of the
motor. Connect the hose under the extended cylinder
symbol to the return side of the motor.
Older Style Hoses with Color Ties
Refer to Figure 4.
Great Plains hydraulic hoses are color coded. Hoses that
go to the same remote valve are marked with the same
color tie. To distinguish hoses on the same hydraulic
circuit, refer to hose label.
Color Hydraulic Function
Green Marker Cylinders (option)
Yellow Hydraulic Drive (option)
Color Hydraulic Function
Orange Marker Cylinders (option)
Figure 3
Color Coded Hose Handles
31733
Figure 4
Marker Hose Label (older style)
17641

1525P and 1510HDP Table of Contents Index Preparation and Setup
Great Plains | 118-949M | 2018-07-03 Table of Contents Index 15
Electrical Hookup
Refer to Figure 5
Make sure tractor is shut down with accessory power off
before making connections.
1. Mate lighting connector to tractor outlet.
2. Option: mate monitor connector to tractor harness.
3. Mate any accessory or aftermarket electrical
connectors.
Make connections prior to drill movement. Some drill
hydraulic circuits are under monitor control.
Figure 5
Connector Identification
25236
25237
1
2

Great Plains | 118-949M | 2018-07-03 Table of Contents Index 16
1525P and 1510HDP Table of Contents Index Preparation and Setup
Leveling the Drill
Single Gauge Wheel
Refer to Figure 6
Initially adjust drill so bottom of opener tube runs
26 inches above ground when drill is lowered in the field.
Refer to Figure 7
To adjust:
1. Make sure block mount of the spring linkage
(Figure 6) is in the lower mount hole for planting in
bedded irrigation. The upper hole is for non-bedded
ground.
2. Set turnbuckle length to 17 12inches between pin
centers to achieve the 26 inch initial adjustment
measurement from bottom of opener tube to the
ground. Turn the turnbuckle to shorten or lengthen
as necessary. When adjusting the turnbuckle length,
remember:
Lengthening turnbuckle raises drill.
Shortening turnbuckle lowers drill.
3. Level drill with top three-point link.
Refer to Figure 8
When drill is level, parallel links will be running slightly
uphill towards the front.
The 1 inch dimension shown in Figure 8 is a general
dimension that will vary with planting conditions.
Machine Damage Risk:
Make sure the opener mount is running higher than the opener
body. This will ensure an ample reserve for opener upfloat in
case the opener strikes a rock or other object.
Figure 6
Initial Operating Height
22530
Figure 7
Gauge Wheel Turnbuckle
22845
Figure 8
Leveling the Drill
22823