196-366m
Table of Contents
Great Plains
| | 4/22/19
iii
©
Copyright 2003, 2005, 2006, 2008, 2010, 2012, 2019. 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
3Table of Contents
Important Safety Information.................................................1
Safety Decals ....................................................................7
Introduction...........................................................................16
Description of Unit ...........................................................16
Intended Usage ...............................................................16
Using This Manual...........................................................16
Definitions........................................................................16
Owner Assistance............................................................17
Further Assistance...........................................................17
Preparation and Setup .........................................................18
Prestart Checklist ............................................................18
Hydraulic Hose Hookup...................................................19
Hitching Tractor to Drill ....................................................20
Hitch Height Adjustment ..................................................21
Bleeding Hydraulics.........................................................22
Leveling Frame Side-to-Side ...........................................24
Box Alignment .................................................................25
Operating Instructions .........................................................26
Prestart Checklist ............................................................26
Folding the Drill................................................................27
Rephasing Lift System.....................................................27
Unfolding the Drill ............................................................28
Field Operation ................................................................29
Electric Clutch Operation.................................................30
Opener Operation............................................................30
Marker Operation.............................................................30
Transporting ....................................................................31
Transporting with Markers........................................31
Parking ............................................................................32
Adjustments ..........................................................................33
No-Till Seeding ................................................................33
Coulter Adjustments ........................................................34
Hydraulic Depth Control ...........................................34
Weights ....................................................................35
Coulter Springs.........................................................35
Individual Coulters....................................................35
Opener Adjustments........................................................36
Opener Down Pressure............................................36
Opener Seeding Depth.............................................37
Press Wheel Adjustments ...............................................38
Side Gauge Wheels 20 Series Openers ..................39
Seeding Rate...................................................................40
Drive Speed.............................................................40
Setting Seed Rate Handle........................................41
Positioning Seed Cup Doors ....................................41
Checking Volumetric Seeding Rate .........................42
Electric Clutch Switch Adjustment............................43
Marker Adjustments ........................................................44
Folding Speed with Needle Valves ..........................44
Folding Speed with Sequence Valve .......................44
Marker Disk Adjustment ...........................................44
Seed-Lok Lock Up....................................................45
Marker Width............................................................46
Harrow Adjustment..........................................................48
Harrow Height ..........................................................48
Troubleshooting ...................................................................49
Maintenance and Lubrication..............................................52
Opener Maintenance.......................................................53
20 Series Opener Side Wheels................................53
Opener Disks ...........................................................53
20 Series Opener Disk Spreader .............................54
Seed Flap Replacement (S/N 1022UU-)..................54
Seed Flap Replacement (S/N ).................54
Drive System ...................................................................55
Marker Maintenance........................................................55
Storage............................................................................55
Lubrication.......................................................................56
Drive Chains.............................................................56
Rockshaft to Frame Pivots .......................................57
Gauge Wheel Arms to Frame Pivots........................57
Horizontal Pivot Pins ................................................58
Vertical Pivot Pins ....................................................58
Inner Fold Lug ..........................................................59
Transfer Drive Shaft .................................................59
Coulter Arm Pivots ...................................................60
Wheel Hub Bearings ................................................60
Coulter Hub Bearings...............................................61
Marker Hinge Points.................................................61
Marker Disk Bearings...............................................62
20 Series Side Wheel Bushing.................................62
Options ..................................................................................63
Markers ...........................................................................63
Wheel Scraper.................................................................63
Seed-Lok Firming Wheels ...............................................63
Harrow Attachment..........................................................64
Small Seeds Option.........................................................64
Veris Drive.......................................................................64
Weight Bracket ................................................................65
Coulter Tine.....................................................................65