Great-plains NP4000B Operator Manual User Manual Page 111
- Page / 200
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Great Plains Manufacturing, Inc. Table of Contents Index Troubleshooting 107
2014-05-14 Table of Contents Index 417-199M
FOLD / FIELD Troubleshooting
Problem Cause Solution
Fold or Unfold
Abnormal with Switch
Box Indicator
Illuminated
Circuit to solenoid valves broken, typically a
disconnected harness at hitch
Check harness connections at hitch,
then, check for 12 Vdc at solenoids.
Outer wings folding in
field lift
No power to outer wing fold solenoid, or switch
in FOLD or PARK
Check connections and continuity, or
set switch to FIELD.
Air in hydraulic system Cycle system several times, and as
needed bleed hydraulics (page 133).
Outer wings not folding
before inner wings
Possible harness problem Check connections.
Unfold: Inner wings do
not stop at wings-level
Switch not in FOLD Check switch position and indicator
lamps
No power to switch or harness Check power to switch, harness
connections at hitch.
Defective switch, damaged harness Check 12 Vdc at solenoids.
One inner wing unfold
does not stop at wings-
level
Proximity switch damaged or disconnected Check 12 Vdc at solenoids.
Inner proximity switch Mis-adjusted If 12 Vdc present, check/adjust
switch, see “Unfold Stop
Adjustment” on page 134.
Field fold: wings do not
stop at gull-wing
Switch not in FIELD Check switch position and indicator
lamps
No power to switch or harness Check power to switch, harness
connections at hitch.
Defective switch, damaged harness Check 12 Vdc at solenoids.
Field fold: outer wing
does not reach gull-
wing
Air in system Cycle system several times, and as
needed bleed hydraulics (page 133).
Field fold: one wing
does not stop at gull-
wing
Proximity switch damaged or disconnected Check 12 Vdc at solenoids.
Inner proximity switch Mis-adjusted If 12 Vdc present, check/adjust
switch, see “Field Fold Stop
Adjustment” on page 135.
Outer wing does not
unfold at all
Automatic wing latch stuck Slightly re-fold to release latch. If latch
does not release, lubricate pivot.
Insufficient oil flow to system Increase flow on fold/lift circuit.
Wings won’t fold at all.
Switch in FIELD Set switch to FOLD.
Loose connection on weight transfer solenoid Check harness connections and
12 Vdc at solenoid.
- 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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