Great-plains YP825AR Operator Manual User Manual Page 73
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Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 69
2014-06-17 Table of Contents Index 401-923M
UMC Coulter Adjustments
Note: Coulters are not factory-installed. Check alignment
and depth prior to first use.
UMC Coulter Depth Adjustment
The ideal operating depth for coulters is
1
⁄
4
inch (6 mm)
above opener depth. Although they may have originally
been set to this depth, coulter (and opener) blades wear
with time, and may need adjusting.
Adjusting the coulter depth is accomplished by
re-mounting the coulter blade in one of the three
mounting holes arranged in a staggered pattern in the
coulter bracket.
Refer to Figure 77 and Figure 78
Raise planter and install cylinder locks before working on
coulters. Row unit may be fully lowered or locked up. Do
not attempt to move blade when the current or new
position causes it to contact the ground during the
adjustment. Be careful around the front end of row units.
Row cleaner tines and coulter blades may be sharp.
To adjust coulter depth:
1. Determine the present opener and coulter depths.
2. Note which bracket hole the coulter is presently
using.
3. Determine which new hole will position the coulter
closer to the
1
⁄
4
-inch-above depth. See the table
below.
4. Remove the
5
⁄
8
-11 x 4 inch bolt, lock washer and
nut ( in Figure 77).
5. Move the blade to the new position. Insert the bolt,
and tighten on the lock washer and nut.
6. Re-adjust row cleaners, if installed.
If a worn coulter cannot be adjusted to satisfactory
operating depth, replace coulter.
Hole
Number
Depth of (new) coulter blade
relative to (new) opener blades
1
⁄
4
inch (6.4 mm) above opener
1
⁄
8
inch (3 mm) below opener
1
⁄
2
inch (13 mm) below opener
Figure 77
Short Unit-Mounted Coulter
34739
7
Figure 78
Coulter Blade Mounting Holes
34740
1
2
3
7
1
2
3
- Operator Manual 1
- Table of Contents 3
- Important Safety Information 5
- Wear Protective Equipment 6
- Avoid High Pressure Fluids 6
- Use A Safety Chain 7
- Keep Riders Off Machinery 7
- Use Safety Lights and Devices 7
- Transport Machinery Safely 7
- Shutdown and Storage 8
- Tire Safety 8
- Handle Chemicals Properly 8
- Practice Safe Maintenance 9
- Safety At All Times 9
- Safety Decals 10
- READ BEFORE USING TANK 11
- EXCESSIVE SPEED HAZARD 12
- 848-801C 14
- Introduction 15
- Using This Manual 16
- Owner Assistance 16
- Preparation and Setup 17
- Hitching Tractor to Planter 18
- Hydraulic Hose Hookup 20
- Air Source Setup (Option) 21
- Leveling Planter 22
- Monitor Setup 24
- Marker Setup (Option) 24
- Lock Up Fertilizer Drive 25
- Operating Instructions 26
- Transport 27
- Transport Steps 28
- Color Function 29
- CLOSED OPEN 30
- Unfolding/Folding the Planter 31
- 34702-04 34
- Field Lift/Lower 39
- Marker Operations 40
- Loading Materials 41
- Loading Seed, continued 42
- Air System Operation 49
- 848-020C 52
- Meter Operation 53
- Field Set-Up Checklists 54
- Field Operation 55
- Short-Term Parking 56
- Long-Term Storage 56
- Adjustments 57
- Setting Material Rates 58
- Marker Adjustments (Option) 59
- Fan and Gauge Adjustment 60
- Single-Row Augers 64
- Row Implement Adjustments 66
- Row Unit Down Pressure 70
- UMC Coulter Adjustments 73
- Side Gauge Wheel Adjustment 76
- Row Unit Shut-Off 82
- Seed Firmer Adjustments 84
- Troubleshooting 87
- Seed Pool Troubleshooting 88
- Problem Cause Solution 89
- Population Too Low 90
- Population Too High 91
- Population Related 93
- General Troubleshooting 94
- Maintenance and Lubrication 99
- Material Clean-Out 100
- Liquid Fertilizer Clean-Out 102
- Dry Fertilizer Clean-Out 103
- Hydraulic Maintenance 109
- As Required 112
- 25474 25475 116
- Seasonal 118
- Seed Lubricants 120
- Seed Monitor 121
- Seed Meter Drive 121
- PTO Pump 122
- Speed Radar 124
- Liquid Fertilizer System 124
- Dry Fertilizer System 125
- Dual Sequenced Markers 126
- Frame-Mounted Row Accessories 126
- Terra-Tine™ 127
- Row-Mounted Accessories 128
- Unit-Mounted Disk Coulters 129
- Seed Meter Disks 129
- Inside Disk Scrapers 130
- Gauge Wheel Scrapers 130
- Seed Firmers 130
- Row Unit Press Wheels 131
- Lock-Up Pins 131
- Seed Lubricant 131
- Clean-Out Container 132
- Seed Tube Brush 132
- Specifications and Capacities 134
- 70 and 75 cm Models 135
- Dimensions 136
- Field Dimensions 137
- Torque Values Chart 138
- Tire Inflation Chart 138
- Plumbing Diagrams 139
- Hydraulic Diagrams 140
- Chain Routing 149
- Twin Row Single Row 151
- 15T, 47T 152
- 25AP: Meter Drive (Mid type) 153
- 25AP: Meter Drive (Rear type) 153
- Appendix C - Initial Setup 154
- Marker Extension 155
- 122-278S Scraper Installation 158
- NOZZLE SHUT OFF CAP W/ GASKET 159
- Table of Contents Index 165
- Salina, Kansas 67402-5060 USA 166
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