
3P4025AH Cover Index Table of Contents
Great Plains | 411-099M | 2018-11-01 Cover Index iii
© Copyright 2014, 2015, 2016, 2017, 2018 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...........................................................................13
Description of Unit ...........................................................13
Intended Usage ........................................................13
Models Covered .......................................................13
Document Family .....................................................14
Using This Manual...........................................................14
Definitions.................................................................14
Owner Assistance............................................................15
Further Assistance...........................................................15
Preparation and Setup .........................................................16
Post-Delivery/Seasonal Setup.........................................16
Pre-Planting Setup ..........................................................16
Hitching to Tractor ...........................................................17
Top Link Adjustments...............................................17
Lower Link Adjustments ...........................................17
Hydraulic Hose Hookup............................................18
Protecting Fan Hydraulic Motor Seals......................18
Electrical Hookup .....................................................19
Raise Parking Stands...............................................20
Leveling the Planter.........................................................21
Center Frame L/R Leveling ......................................21
Wing Leveling...........................................................21
Front-to-Back Leveling .............................................22
Operating Instructions .........................................................23
Pre-Start Checklist...........................................................23
Implement Locks .............................................................24
Wing Lock and Flex Lock Pin Use............................24
Lift-Assist Locks (Option) .........................................25
Raising/Lowering Planter.................................................25
Raise/Lower 3-Point .................................................25
Raise/Lower 2-Point with Lift Assist .........................25
Folding.............................................................................26
Unfolding .........................................................................28
Transporting the Planter ..................................................29
Transport Checklist ..................................................29
Loading Seed ..................................................................30
Machine s/n: .............................................................30
Machine s/n: .............................................................32
Planter Monitor Operation ...............................................34
Machines with Hydraulic Drive Row Units................34
Ground Drive Operation ..................................................35
Hydraulic Drive Operation ...............................................35
Air System Operation ......................................................36
Air and Seeding System Overview...........................37
Air-Pro Meter Operation ..................................................39
Meter Operation .......................................................39
Field Set-Up Checklists ...................................................40
Field Operation.........................................................41
Short-Term Parking .........................................................42
Long-Term Storage .........................................................43
Adjustments..........................................................................44
Setting Seed Rate ...........................................................44
Planting Rate Details, PM400 Monitor .....................45
Planting Rate Details, AI-120 Monitor ......................46
Fan and Adjustment ........................................................47
Fine-Tuning Meter Pressurization ............................48
Frame Offset ...................................................................49
Resume Twin-Row...................................................49
Gauge Wheel Functions..................................................50
Setting Ground Drive.......................................................50
Gauge Wheel Adjustments
(S/N C1104S-).................................................................51
Gauge Wheel Tension .............................................51
Ground Drive Adjustments .......................................51
Gauge Wheel Adjustments
(S/N C1105S+)................................................................51
Ground Drive Adjustments .......................................52
Planting on Beds (All Models) .........................................52
Front Seeding Switch Adjustment ...................................53
Rear Seeding Switch Adjustment....................................54
Hydraulic Down Pressure (Option)..................................55
Lift-Assist Needle Valve Adjustment (Option) ..........56
Initial Down-Pressure Setup.....................................57
Down-Pressure Adjustment .....................................58
Hydraulic Down-Float Adjustments (Option) ...................59
25AP Series Row Unit Adjustments ................................60
Row Unit Down Pressure .........................................61
Unit-Mount Cleaner Adjustments .............................63
Coulter Adjustments.................................................64
Row-Unit Opener Disk Adjustments.........................66
Side Gauge Wheel Adjustment................................67
Seed Meter Setup and Adjustment ..........................69
Air-Pro Meter Disc Installation..................................71
Row Unit Shut-Off ....................................................72
Seed Firmer Adjustments.........................................74
Press Wheel Adjustment..........................................76
Troubleshooting ...................................................................78
Planting Rate Problems...................................................78
Seed Pool Troubleshooting .............................................79
Magnehelic Gauge Troubleshooting .......................80