Great-plains NTA2007HD Operator Manual User Manual Page 86
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- Table of contents
- TROUBLESHOOTING
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82 Great Plains Manufacturing, Inc. Contents Index NTA607/2007HD
166-283M Contents Index 04/04/2011
Air System Adjustments
There are two adjustments for the air system:
1. Fan rpm (this page),
which controls manifold air pressure, hopper air
pressure, and material delivery velocity.
2. Inlet Manifold Diverter angle (page 84),
which controls the balance of air flow to each meter
on dual-hopper drills (whether single- or double-
shoot). This adjustment is not present on single-hop-
per drills.
There is no direct adjustment for hopper pressure. The
table figures are included for setting alarm limits in the
seed monitor. If a pressure alarm occurs, do not adjust
the fan or diverter to compensate. The cause is usually a
leak or a major blockage.
Fan Speed Suggestions
The specific fan rpm required varies considerably with
drill configuration, material density, application rate, field
speed and material properties. Develop and record set-
tings that are suitable for your operations.
Machine Damage Risk:
Always engage the fan with the tractor at a low engine speed.
Engaging the fan when the tractor is at high speed may cause
fan damage. Do not reverse hydraulic flow with the fan run-
ning.
At ideal fan speed:
• flow is more than high enough to avoid blockages
(from both meters on dual-hopper drills),
• flow is even across all hoses from each meter; and,
• flow is low enough to minimize seed cracking and
bounce.
Fan speed is monitored and reported by the seed moni-
tor, but is manually controlled.
If the fan cannot reach 3000 rpm, one or more hoses
may be mis-connected. Air moves toward the air box in
either rotation direction, but reverse spinning airflow is
too low to operate the system.
If the fan is operating properly, and at desired rpms, and
the diverter is correctly adjusted, but the pressure gauge
is out of limits, see “Magnehelic® Gauge Trouble-
shooting” on page 103.
Air System Settings
Fan RPM
Limits
Minimum Maximum
2000 rpm to 4500 rpm
Typical Range
Minimum Maximum
Milo 3250 rpm to 4000 rpm
Soybeans 2750 rpm to 3500 rpm
Sunflower 2250 rpm to 3000 rpm
Wheat 3250 rpm to 4000 rpm
Typical Range
Minimum Maximum
12 in H2O to 25 in H2O
30 cm H2O to 64 cm H2O
30 kPa to 64 kPa
3050 bar to 6350 bar
4.4 psi to 9.2 psi
Alarm Limits
Minimum Maximum
1.3 kPa to 8.6 kPa
130 bar to 860 bar
13 cm H2O to 88 cm H2O
0.19 psi to 1.25 psi
5 in H2O to 35 in H2O
31184
Manifold
Pressure
Hopper
Pressure
Limits
Null4:
Figure 67
Dual Manifold Pressure Gauges
31189
- Operator Manual 1
- Contents Index ii 2
- Table of Contents 3
- Important Safety Information 5
- Wear Protective Equipment 6
- Use A Safety Chain 6
- Avoid High Pressure Fluids 6
- Minimize Radiation Exposure 6
- Handle Chemicals Properly 7
- Confined Space 7
- Tire Safety 8
- Use Safety Lights and Devices 8
- Keep Riders Off Machinery 8
- Transport Machinery Safely 8
- Shutdown and Storage 8
- Practice Safe Maintenance 9
- Safety At All Times 9
- Safety Decals 10
- Reflectors: Fluorescent Panels 11
- Reflectors: Red 11
- Reflectors: Daytime 12
- Reflectors: Amber 12
- Transport: Speed 13
- Danger: Read Manual 13
- Danger: Do Not Ride 14
- Danger: Crush (Marker Option) 14
- Danger: Electrocution 14
- Danger: Hitch Crushing 15
- Danger: Marker Crush (Option) 15
- Danger: Chemicals 15
- Danger: Chemicals (Option) 16
- Danger: Wing Crushing 16
- Danger: Marker Pinch (Option) 16
- Warning: Fan Hazard 17
- Warning: Moving Chain 17
- Warning: Wear Eye Protection 17
- Warning: Pinch Point 18
- Warning: High Pressure Fluid 18
- Warning: Confined Space 18
- Warning: Moving Gears 19
- Warning: Falling Hazard 19
- Warning: Hand Pinch 20
- Caution: Read Operator Manual 20
- Caution: Radar in Use 20
- Caution: Use Adequate Tractor 22
- Caution: Tires Not A Step 22
- Introduction 23
- Owner Assistance 24
- Preparation and Setup 25
- Hitching Tractor to Air Drill 26
- Hydraulic Hose Hookup 27
- Brake Hookup (Option) 28
- Air Brake Hookup 29
- Hydraulic Brake Hookup 29
- Electrical Hookup 30
- Heights and Leveling 30
- Marker Setup 31
- Operating Instructions 33
- Unfolding and Folding 34
- Unfold: Summary of Steps 35
- Fold: Summary of Steps 37
- Lowering 40
- Transporting the Air Drill 42
- Tractor Requirements 43
- Transport Checklist 43
- Brake Operation (option) 44
- Service Brake Operation 45
- Ladder Operations 46
- Hopper Lid Operation 47
- Lid Closing 48
- Tank Lid Operation 49
- Meter Doors 50
- Loading Materials 51
- 848-562c 53
- Operating the Hand Crank 56
- Air System Operation 58
- Air Systems Overview 59
- Fan Operation 60
- Marker Operation (Option) 62
- Marker Safety Information 63
- Marker Unfold and Fold 63
- Field Operations 64
- Field Operation 65
- Unfolded Storage 67
- Adjustments 68
- Setting Material Rates 69
- Find Your Chart and Rate 70
- Monitor Material Configuration 71
- MetaData: Wheat 73
- MetaData: 2S 73
- Meter Rate Adjustment 75
- Meter Calibration 77
- Calibration Crank Revolutions 79
- Parameter Value Comment 82
- Planting Depth Adjustments 84
- Adjusting Tool Bar Height 85
- Air System Adjustments 86
- Adjusting Fan Speed 87
- Diverter Vane Adjustments 88
- Weight Transfer Adjustments 89
- Frame-Mounted Coulters 91
- Frame-Mounted Coulter Force 92
- 07HD Row Unit Adjustments 93
- Row Unit Spring Adjustment 94
- Disk Blade Adjustments 94
- Disk Scraper Adjustments 95
- Seed Firmer Adjustments 96
- Fertilizer Tube Adjustment 97
- Marker Adjustments 98
- Marker Extension Adjustment 99
- Marker Speed 100
- Marker Disk Adjustment 100
- Troubleshooting 101
- Problem Causes Solutions 102
- Lift Lock Troubleshooting 104
- Problem Cause Solution 107
- Maintenance and Lubrication 108
- Maintenance Lift Lock 109
- Hopper Strap Maintenance 110
- Chain Maintenance 110
- Maintenance 110
- Fertilizer System Maintenance 111
- Unloading Materials 112
- Material Clean-Outs 113
- Problem Clean-Outs 114
- Hopper Entry 114
- Contact Drive Re-setting 117
- Hydraulic Maintenance 118
- In-Line Filter 121
- Brake Maintenance (Option) 122
- Brake Line Charge and Bleed 123
- Air Brake Maintenance 125
- Brake Shoe Replacement 127
- Brake Drum Maintenance 131
- Mounting Wheels 132
- Test and Adjust Brakes 132
- Leveling Implement 133
- Marker Maintenance (Option) 134
- Seed Flap Replacement 135
- 0, 1, 10, 50 136
- Cart-Implement Link 137
- Rear Lower Parallel Arms 137
- Rear Upper Parallel Arms 138
- Coulter Pivots 138
- As Required 139
- Seasonal 142
- Variable Rate Kit 145
- High Rate Flute Sets 145
- Tramline 146
- Row Options 146
- Opener Disk Scraper 147
- Seed Firmers 147
- Specifications and Capacities 148
- Contents Index 04/04/2011 150
- Tire Inflation Chart 151
- Torque Values Chart 152
- Chain Routing 153
- Figure 132 154
- Contents Index 166-283M 155
- Figure 133 155
- Figure 134 156
- Hydraulic Diagrams 157
- Figure 136 158
- Cart Hydraulic Schematic 158
- Fold/Weight/Lock Hydraulics 159
- Figure 138 160
- Lift Hydraulics 161
- Marker Hydraulics (Option) 162
- Figure 141 163
- Air Over Hydraulic Brakes 163
- Hydraulic Brakes (Option) 164
- Fertilizer Plumbing (Option) 165
- Appendix B - Initial Setup 166
- Changing Meter Flutes 167
- Scraper Installation 168
- Warranty 169
- Cover Contents 04/04/2011 176
- Contents Index 173 177
- Salina, Kansas 67402-5060 USA 178
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