Great-plains NP4000B Operator Manual User Manual Page 137
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Great Plains Manufacturing, Inc. Table of Contents Index Maintenance and Lubrication 133
2014-05-14 Table of Contents Index 417-199M
Bleeding Fold Hydraulics
Normally the fold hydraulics are bled at the factory before
shipping, and bleeding should not be required.
1. Connect the fold/lift circuit to a hydraulic source,
such as a tractor remote.
2. Set the source circuit to Float to relieve any pressure
in the lines.
3. Disconnect both base and rod ends of all fold
cylinders.
4. Support the cylinders with ports facing up, and with
cylinders oriented so that rods cannot strike
applicator parts when at full extension.
5. Orient cylinders with base ends higher than rod
ends. Set fold/lift circuit to Neutral.
One cylinder at a time:
6. Crack (slightly loosen) a JIC connection at a fold
cylinder base end.
7. Extend the fold/lift circuit slowly until fluid appears at
the fitting.
8. Set the fold/lift circuit to Neutral. Tighten the fitting.
9. Repeat step 6 through step 8 for the remaining
cylinders.
10. Retract the fold cylinders. Set fold/lift circuit to
Neutral.
11. Orient cylinders with rod ends higher than base
ends.
One cylinder at a time:
12. Crack (slightly loosen) a JIC connection at a fold
cylinder rod end.
13. Extend the fold/lift circuit slowly until fluid appears at
the fitting.
14. Set the fold/lift circuit to Neutral. Tighten the fitting.
15. Repeat step 12 through step 14 for the remaining
cylinders.
16. Set fold/lift circuit to Float.
17. Re-pin base and rod ends of cylinders to center
section and wing lugs.
18. Test fold function carefully.
Crushing and Equipment Damage Hazards:
Bleed after servicing fold cylinders or their hoses. Air in the
system makes it hazardous to fold the applicator. If it is
necessary to service fold hydraulics while folded, the first
unfold is especially dangerous. Wing motion can be uneven or
jerky in fold. Unfolding wings could fall suddenly. Anyone
nearby could be seriously injured or killed. Equipment damage
is likely.
High Pressure Fluid Hazard:
Wear safety goggles and gloves. The bleed procedure requires
partially opening pressurized hydraulic lines. Escaping fluid
under pressure can penetrate the skin, causing serious injury.
If an accident occurs, seek immediate medical assistance from
a physician familiar with this type of injury.
- Operator Manual 1
- Table of Contents 3
- Important Safety Information 5
- Look for Safety Symbol 6
- Be Aware of Signal Words 6
- Prepare for Emergencies 6
- Use Safety Chains 8
- Avoid High Pressure Fluids 8
- Minimize Radiation Exposure 8
- Keep Riders Off Machinery 8
- Use Safety Lights and Devices 9
- Tires Not a Step 9
- Transport Machinery Safely 10
- Shutdown and Storage 11
- Handle Chemicals Properly 11
- Tire Safety 12
- Practice Safe Maintenance 12
- Safety At All Times 12
- Safety Decals 13
- 818-323C 15
- 818-590C 15
- Danger: Hitch Crush 15
- 848-801C 20
- 848-539C 21
- Introduction 22
- Using This Manual 23
- Owner Assistance 24
- Application Overview 25
- A35 A39 A40 26
- Figure 5 32
- Figure 6 33
- Nutri-Pro 37
- Rear Hitch (Option) 37
- Figure 7 38
- Trailing Nurse Tank Hitch 38
- Preparation and Setup 39
- NP4000A: Get Expert Advice 40
- Pre-Application Setup 40
- 2-Point Hitching 41
- Hydraulic Hose Hookup 45
- Date Code 46
- Motor Model (206N) 46
- Inlet Port 46
- Outlet Port 46
- Leveling Applicator 47
- Wash Water (NP4000A) 51
- Sealer Setup (NP4000A) 51
- Operating Instructions 52
- Fold/Lift Circuit 53
- FOLD / FIELD Switch 53
- Applicator Locks 54
- Raising/Lowering Applicator 55
- Unfolding and Folding 60
- Transport 63
- Final Applicator Setup 64
- Operations 65
- : Pass Planning 70
- Liquid Operations 78
- Liq: Hydraulic Drive Start-Up 81
- Liq: Pauses and Turns 81
- Suspending Application 83
- Liq: Stopping Application 83
- Field Set-Up Checklists 84
- Checklist (Cart Hitched) 85
- Plumbing Checklist Page 85
- Field Operation Checklists 86
- Short-Term Parking 88
- Long-Term Storage 88
- Adjustments 89
- Row Adjustments 90
- Handle Slot Down-Pressure 91
- Tool Bar Height Adjustment 95
- Weight Transfer Adjustment 96
- NUTRI-PRO 97
- Caster Angle Adjustment 98
- Fertilizer Rates 99
- NP4000-1630 Fertilizer Rate 100
- NP4000B-1238 Fertilizer Rate 102
- NP4000B-1240 Fertilizer Rate 103
- Strainer Adjustment 106
- Flow-Based Adjustment 109
- Dead-Head Adjustment 109
- Troubleshooting 110
- FOLD / FIELD Troubleshooting 111
- Maintenance and Lubrication 119
- Avoid Trapped Anhydrous 120
- Avoid Ball Traps 121
- System Discharge 122
- Clearing Plugged Tines 124
- Valve Replacement 127
- Replacement Log 128
- Refrigerant Line 129
- Row Delivery Tubing 130
- Row Vapor Tubing 130
- Metering System Maintenance 131
- Material Clean-Out (Liquid) 132
- Pump Maintenance and Repair 134
- Coulter Disc Replacement 134
- Coulter Spring Setting 135
- Hydraulic Maintenance 136
- Bleeding Fold Hydraulics 137
- Wing Leveling 140
- Rear Eyebolt Adjustment 140
- Caster Brake Adjustment 141
- Chain Maintenance (Option) 142
- Inner Wing Pivots 143
- Outer Wing Pivots 143
- Caster Pivots 143
- Lift- Assist Parallel Arms 144
- Fertilizer Pump Crankshaft 145
- Tire Pressures 145
- As Required 146
- Seasonal 146
- Sub-frame and Tank Selection 148
- Category II Hitch Pin Kit 148
- Rear Hitches 149
- Nurse Tank Light Harness 150
- Row Cleaners 150
- Terra-Tine™ Row Cleaners 150
- Coulters, Blades and Tines 151
- Vantage I Attachment Kits 152
- Coulter Nozzles 152
- Speed Sensor Cable 153
- Speed Sensor 153
- Manifolds and Accessories 154
- Liquid Fertilizer Pumps 155
- Side Dress Extensions 156
- Weight Kit 157
- Specifications and Capacities 158
- Dimensions 161
- Torque Values Chart 163
- Tire Inflation Chart 163
- Plumbing Diagrams 164
- Chain Routing (Option) 172
- Controller System Diagrams 173
- GP: 823-422C 174
- Hydraulic Pump Controller 175
- Hydraulic Diagrams 176
- Pump Hydraulics (Option) 179
- Component Replacement Dates 180
- Post-Delivery Checklist 180
- Lift-Assist Valve Setup 181
- Hydraulic Pump Setup 182
- Console Installation 183
- Side Dress Installation 184
- Refer to Figure 103 186
- 803-027C NUT HEX 3/4-10 PLT 188
- 990-259R EVA TUBING 3/8 ID 189
- Weight Kit Installation 191
- Warranty 192
- Table of Contents Index 199
- Salina, Kansas 67402-5060 USA 200
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