Great-plains NP4000B Operator Manual User Manual Page 28
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24 2013+ NP4000/A/B Table of Contents Index Great Plains Manufacturing, Inc.
417-199M Table of Contents Index 2014-05-14
A28.Pressure Gauge
This gauge reports the pressure of the NH
3
after it
exits the cooler. If line valves are closed, a pressure
reading above zero indicates NH
3
is present
between the emergency shut-off valve and the
On/Off solenoid valve (the Control Valve
does not completely close).
Checking the pressure and temperature against
the chart in the “Using Anhydrous Ammonia
Safely” manual (407-551M), or in the Raven
AccuFlow™ manual, indicates whether the flowing
NH
3
is in a liquid state.
When valves are open but NH
3
is not flowing, this
gauge normally reads within 5 psi of the nurse tank
pressure gauge . If they are materially different
at zero flow, one of the gauges may be defective.
When NH
3
is flowing, the pressure reported by this
gauge is lower than the tank pressure.
A29.Cooler Bleed Valve
This valve is normally closed. It is used to bleed
trapped NH
3
from the cooler system when valves
are closed. It can also be used to accelerate
clearing the cooler system for maintenance.
A30.Control Valve
This is a variable electronic valve controlled by the
SCS 450. It is the primary control point for
application rate. When power is off, this valve
remains at its most recent setting.
This valve has a visible indicator above the valve
ball casing, indicating whether open, closed or in
between.
When commanded to a rate of zero, this valve does
not completely close. Use shut-off valves to
completely stop flow. A full slew from fully open to
minimum takes approximately 9 seconds.
A31.Master Shut-Off Valve
This is the normal control for starting and stopping
total application flow in the field (for turns, etc.). This
component is an open/close solenoid valve
controlled by the “MASTER” switch on the SCS 450.
When power is off, this valve remains at its most
recent setting.
This valve has a visible indicator above the valve
ball casing, indicating whether open or closed.
Operation of this valve is essentially instantaneous.
Its valve ball is equipped with a downstream relief
orifice.
A32.Refrigerant Tap
A small amount of the NH
3
flow is taken at this point
to provide refrigeration at the cooler. There are no
operational items for this fitting.
A33.Refrigerant Line
This tubing passes tapped refrigerant NH
3
to the
cooler. Operator action is to replace this tubing,
a time-dated part, when it reaches the end of its
operating life. See page 125.
A34.Cooler Refrigerant Inlet
Tapped refrigeration flow enters the cooler at this
fitting, and is vaporized to chill the liquid entering at
fitting . There are no operational items for this
fitting.
A35.Section Control Check Valve
(Section Control Option Only)
This prevents back flow when section shut-off
valves are off with NH
3
present. There are no
operational items for this fitting.
A36.Section Control Bleed Valve
(Section Control Option Only)
This valve is normally closed. It is used to bleed
trapped NH
3
from the section control system if all
section valves are closed.
Suffocation, Blinding and Burning Hazards:
See “About Bleed Valves:” on page 38.
A18
A31 A30
A27
A67
A28
Suffocation, Blinding and Burning Hazards:
See “About Bleed Valves:” on page 38.
A22
A39
A39
- 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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