Great Plains 2420P Operator Manual User Manual
Page 2

Table of Contents
©
Copyright 2001, 2002, 2003, 2006, 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.
Great Plains Manufacturing, Incorporated Trademarks
The following are trademarks of Great Plains Mfg., Inc.: Application Systems, Ausherman, Land Pride, Great Plains
All other brands and product names are trademarks or registered trademarks of their respective holders.
Printed in the United States of America.
118-769M
2012-04-17
Important Safety Information . . . . . . . . . . . . . 1
Safety Decals . . . . . . . . . . . . . . . . . . . . . . . 7
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Description of Unit . . . . . . . . . . . . . . . . . . 12
Intended Usage . . . . . . . . . . . . . . . . . 12
Models Covered in this Manual . . . . . 12
Using This Manual . . . . . . . . . . . . . . . . . . 13
Definitions . . . . . . . . . . . . . . . . . . . . . 13
Owner Assistance. . . . . . . . . . . . . . . . . . . 14
Preparation and Setup . . . . . . . . . . . . . . . . . 15
Prestart Checklist . . . . . . . . . . . . . . . . . . . 15
Hitching Tractor to Drill . . . . . . . . . . . . . . . 15
Hydraulic Hose Hookup . . . . . . . . . . . 16
Leveling Drill . . . . . . . . . . . . . . . . . . . . . . . 17
10 Series Openers . . . . . . . . . . . . . . . 17
20 Series Openers . . . . . . . . . . . . . . . 18
Operating Instructions . . . . . . . . . . . . . . . . . 19
Prestart Checklist . . . . . . . . . . . . . . . . . . . 19
Field Operation . . . . . . . . . . . . . . . . . . . . . 20
Meter and Sliding Seed Tube . . . . . . 21
Opener Operation . . . . . . . . . . . . . . . 22
Marker Operation . . . . . . . . . . . . . . . . 22
Transporting . . . . . . . . . . . . . . . . . . . . . . . 23
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 25
10 Series Openers . . . . . . . . . . . . . . . . . . 25
Opener Down Pressure . . . . . . . . . . . 25
Opener Seeding Depth . . . . . . . . . . . 26
20 Series Openers . . . . . . . . . . . . . . . . . . 27
Opener Down Pressure . . . . . . . . . . . 27
20 Series Side Gauge Wheels . . . . . . 28
Opener Seeding Depth . . . . . . . . . . . 29
Press Wheel . . . . . . . . . . . . . . . . . . . 29
Frame Height . . . . . . . . . . . . . . . . . . . . . . 30
Seeding Rate . . . . . . . . . . . . . . . . . . . . . . 30
Drive Speed Range Sprockets . . . . . . 31
Transmission Sprockets . . . . . . . . . . 31
Shutting Off Seed Flow. . . . . . . . . . . 32
Cleaning Out Meters. . . . . . . . . . . . . 33
Changing Seed Meter Wheels . . . . . 34
Marker Adjustments . . . . . . . . . . . . . . . . 37
Bleeding Marker Hydraulics . . . . . . . 37
Folding Speed with Needle Valves . . 38
Folding Speed with Sequence Valve 38
Marker Disk Adjustment . . . . . . . . . . 38
Marker Chain . . . . . . . . . . . . . . . . . . 39
Transport Carrier. . . . . . . . . . . . . . . . 39
Marker Width . . . . . . . . . . . . . . . . . . 40
Seed-Lok Lock Up . . . . . . . . . . . . . . . . . . 42
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . 43
Maintenance and Lubrication . . . . . . . . . . . 49
Maintenance . . . . . . . . . . . . . . . . . . . . . . 56
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Lubrication. . . . . . . . . . . . . . . . . . . . . . . . 59
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Veris Drive Operating Instructions . . . . . . 62
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Torque Values Chart . . . . . . . . . . . . . . . . 90
Tire Inflation Chart . . . . . . . . . . . . . . . . . 90
Specifications and Capacities . . . . . . . . . . . 91
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 92