Great Plains 2525A Operator Manual - Manual (Page 3)

Great Plains Manufacturing, Inc. Cover Index iii
2013-06-04 Cover Index 118-999M
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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: Singulator Plus, Swath Command, Terra-Tine.
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, Verti-Till, Whirlfilter, 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
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
Protecting Fan Hydraulic Motor Seals ......................14
Electrical Hookup......................................................15
Raise Parking Stands (2025A only)..........................15
Leveling the Drill...........................................................16
Leveling: Offset-Single Wheel ..................................16
Meter and Row Setup...................................................18
Marker Setup................................................................18
Operating Instructions...............................................19
Pre-Start Checklist .......................................................19
Drill Weight ...................................................................19
Transporting .................................................................20
Check Tractor Capacity and Configuration...............20
Remove Extra Drill Weights......................................20
Unload Seed Box .....................................................20
Secure Markers ........................................................20
Transport Checklist...................................................20
Loading Seed ...............................................................21
Air System Operation ...................................................22
Air and Seeding System Overview ...........................23
Fan Circuit Operation ...........................................24
Fan General Operating Information......................25
Butterfly Valve Operation:.....................................25
Acremeter Operation ....................................................26
Normal Operating Sequence ....................................26
Acremeter Programming ......................................26
Dormant Display .......................................................26
Ladder Operation .........................................................27
Monitor Operation (Option) .......................................... 27
Marker Operation (Option) ........................................... 28
Independent Marker Operation ................................ 28
Single-Circuit Sequenced Marker Operation............ 28
Both Sides Unfolded (with Sequence Valve) ....... 28
Field Set-Up Checklists................................................ 29
Planting ........................................................................ 30
Checking Planting Rate ............................................... 30
Short-Term Parking...................................................... 31
Long-Term Storage ...................................................... 31
Adjustments ............................................................... 32
Setting Planting Rate ................................................... 33
Seed Disk Selection and Installation........................ 33
Range and Transmission ......................................... 33
Drive Speed Range Sprockets ............................. 33
Transmission Sprockets ....................................... 33
Shutters and Manifold Pressure............................... 33
Checking Planting Rate............................................ 33
Marker Adjustments ..................................................... 34
Marker Disk Adjustment ........................................... 34
Fan and Adjustment ..................................................... 35
Furrow Check: ...................................................... 35
Fine-Tuning (with optional Seed Monitor) ................ 36
Alternate Skip/Double Check ............................... 36
25AP Series Row Unit Adjustments............................. 37
Row Unit Down Pressure ......................................... 38
Adjusting Down-Force .......................................... 38
Unit-Mount Cleaner Adjustments ............................. 40
Coulter Adjustments................................................. 41
Coulter Depth Adjustment .................................... 41
Coulter Row Alignment ........................................ 42
Row-Unit Opener Disk Adjustments......................... 43
Setting Planting Depth ......................................... 43
Opener Disc Contact Region ............................... 43
Adjusting Disc Contact ......................................... 43
Side Gauge Wheel Adjustment ................................ 44
Adjusting Gauge Wheel Scrapers ........................ 45
Seed Meter Setup and Adjustment .......................... 46
Meter Rain Cover ................................................. 46
Seed Inlet Shutter Adjustment ............................. 46
Optimal Seed Pool Slopes ................................... 47
Meter Re-Fill......................................................... 47
Air-Pro
®
Meter Disk Installation ............................... 48
Removing a Seed Disk......................................... 49
Row Unit Shut-Off .................................................... 49