Great Plains AS20 Parts Manual User Manual
Page 2
Section 1: Introduction.................................................4
Using This Manual...............................................................4
Manual Replacement Information.......................................4
Manual Revisions................................................................4
Touch-up Paint....................................................................4
Hardware Legend................................................................5
Replacement Hardware......................................................5
Serial Numbers...................................................................5
Part Number Service Coding..............................................5
Frame..............................................................................6
Hitch....................................................................................6
Tongue................................................................................8
Level Link..........................................................................10
Pivot Hitch.........................................................................12
Weight Bracket..................................................................14
Transmission...............................................................16
Rockshaft..........................................................................16
Transport Wheel................................................................18
Transport Lock...................................................................20
Coulters........................................................................22
Coulter Tool Bar.................................................................22
Coulter...............................................................................24
Hydraulics....................................................................26
Hydraulic...........................................................................26
Hydraulic Tongue Cylinder 3" X 8" X 1/4" (810-195C).......28
Lift Cylinder 4 1/4" x 10" x 1 1/2" (810-202C)....................30
Lift Cylinder 4 3/4" x 10" 1 1/2" (810-203C)......................32
Marker Option..............................................................34
Flat Fold Marker Assembly................................................34
Marker Disk (113-563S)....................................................36
Marker Disk (113-564S)....................................................38
Marker Disk (113-372S)....................................................40
Hydraulic Assembly...........................................................42
Hydraulic Cylinder (810-196C)..........................................44
Sequence Valve (810-197C).............................................46
Squeeze Pump Fertilizer Option................................48
Drive Wheel Assembly......................................................48
Gauge Wheel Drive Assembly..........................................50
Fertilizer Sprocket Chart...................................................52
Squeeze Pump Mounting Assembly.................................54
Squeeze Pump Assembly.................................................56
Tank Assembly..................................................................58
Plumbing Assembly...........................................................60
2" Ball Valve Assembly......................................................62
1 1/2" Ball Valve Assembly................................................64
Coil Tine Fertilizer Extension.............................................66
Coulter Command Option...........................................68
Coulter Depth Control Hydraulics......................................68
Coulter Command Gauge Wheel......................................70
Coulter Command Axle.....................................................72
Coulter Command Electronics..........................................74
Top Link (1/1/2001 & Below).............................................76
Lift Circuit Manifold (810-262C)........................................78
Seal Kits For Lift Circuit Manifold......................................80
Coulter Depth Control Valve (810-214C)...........................82
Seal Kits For Coulter Depth Control Valves.......................84
Seal Kit O-Ring Breakdown..............................................86
Decals...........................................................................88
Decal Placement...............................................................88
Options.........................................................................90
Coulter Tool Bar Brace......................................................90
All Seeds Hitch 20' Weight Frame Bracket (149-186A).....92
All Seeds Hitch 15' Weight Frame Bracket (149-192A).....94
JD Weight Bracket (149-032A)..........................................96
Case I.H. Weight Bracket (149-034A)...............................98
Part Number Index.....................................................100
© Copyright 2009 All rights reserved Printed 12/20/12
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.
148-153P
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