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

01/23/2012 118-232M
Table of Contents
© Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012. 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: 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
Important Safety Information ....................................1
Safety Decals ...............................................................5
Introduction ..............................................................10
Document Family .......................................................10
Description of Unit ......................................................10
Intended Usage ......................................................10
Covered Models .........................................................10
Using This Manual......................................................11
Definitions...............................................................11
Owner Assistance ......................................................11
Preparation and Setup .............................................12
Pre-Setup Checklist....................................................12
Hitching Tractor to Drill...............................................12
Making Hydraulic Connections ...............................13
Making Electrical Connections ...............................13
Leveling the Drill.........................................................14
20 Series Opener Height ........................................14
25 Series Opener Height ........................................14
Frame Height..........................................................15
Link-Adjust Gauge Wheels .................................15
Turnbuckle-Adjust Gauge Wheels......................15
Operating Instructions.............................................16
Pre-Operation Checklist .............................................16
Transporting ...............................................................17
Check Tractor Capacity and Configuration.............17
Unload Seed Box ...................................................17
Transporting with Markers ......................................17
Acremeter Operation ..................................................18
Normal Operating Sequence ..................................18
Dormant Display .................................................18
Field Operation...........................................................19
Marker Operation....................................................20
Dual-Circuit Marker Operation ............................20
Single-Circuit Sequenced Marker Operation ......20
Parking .......................................................................21
Model 20F Only: .....................................................21
All Models: ..............................................................21
Storage.......................................................................21
Adjustments..............................................................22
Ground Drive Adjustments .........................................23
Setting Drive Type ..................................................23
Setting Seed Rate Handle...................................... 24
Position Seed Cup Doors....................................... 24
Marker Adjustments ................................................... 25
Marker Width.......................................................... 25
Marker Disk Adjustment ......................................... 26
Marker Chain Adjustment....................................... 26
Marker Lifting Slack............................................ 26
Folding Slack...................................................... 26
Marker Speed......................................................... 27
Dual-Circuit/Needle Valve Speed....................... 27
Single-Circuit/Sequence Valve Speed ............... 27
Row Unit Adjustments................................................ 28
Row Unit Down Pressure ....................................... 29
Adjusting Row Unit Down Force ........................ 29
Adjusting 20-Series Down-Force ....................... 30
Adjusting 25-Series Down-Force ....................... 31
Row Unit Shutoff .................................................... 32
Seed Flow Shutoff (Half Drill) ............................. 32
Seed Flow Shutoff (Rows) ................................. 32
25 Series Row Unit Lock-Up .................................. 33
25 Series Coulter Adjustments............................... 34
Coulter Depth Adjustment .................................. 34
25 Series Coulter Row Alignment ...................... 35
Row-Unit Opener Disk Adjustments....................... 36
Setting Planting Depth ....................................... 36
Opener Disk Contact Region ............................. 36
Adjusting Disc Contact ....................................... 36
Side Gauge Wheel Adjustment .............................. 37
Adjusting 25 Series Gauge Wheel Scrapers ...... 38
Seed Firmer Adjustments................................... 39
Keeton Seed Firmer Adjustment ........................ 39
Seed-Lok™ Seed Firmer Lock-Up ..................... 39
Press Wheel Adjustment........................................ 40
Press Wheel Down Pressure ............................. 40
Press Wheel Stagger ......................................... 40
Press Wheel Centering ...................................... 41
Press Wheel Assembly with Cast Wheels ......... 41
Troubleshooting....................................................... 42
Maintenance and Lubrication ................................. 47
Marker Maintenance .................................................. 48
Marker Cylinder Bleeding....................................... 48