Name: Manitowoc National Crane NBT30H-2
Brand: Manitowoc
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National Crane 03-20-2019 Control # 613-06 2-13

NBT30H-2 SERVICE MANUAL HYDRAULIC SYSTEM

FIGURE 2-2

Directional Control Valve

Load Sense Relief

Pilot Relief

Boom Down

Boom Up

Telescope

Extend

Telescope

Retract

Hoist Up

Hoist Down

Swing Left

Swing Right

Inlet Port

Outlet Port

Option 1A

8732-1

Option 1B

Telescope

Extend

Relief

Telescope

Extend Port

Default Chapter5
- Table of Contents5
General11
- Service and Repair12
- Supplemental Information12
- New Owner12
- Basic Nomenclature12
Section 111
- General Maintenance14
- Weld Studs36
- Wire Rope36
Section 239
Introduction43
Section 369
- Maintenance69
  - General Electrical Understanding69
Maintenance70
- Comparing Electrical System to a Hydraulic System70
- General Maintenance Introduction70
- General Troubleshooting70
- Connector Troubleshooting70
- Comparing Electrical System to a Hydraulic70
- System70
- Troubleshooting Electrical System71
- Ignition Switch71
Description70
- RCL System Description71
- Anti-Two-Block System Description72
  - A2B Cable Repair72
- Micro Relay/Fuse Block74
- Directional Control Valve Solenoids75
- Outrigger Manifolds75
  - Front Outrigger Manifold75
  - Rear Outrigger Manifold77
- Hydraulic Oil Cooler Option77
- RCL Communication Overview78
- RCL Canbus78
  - Troubleshooting80
- RCL Sensor Calibration87
Section 493
- Theory of Operation93
Theory of Operation96
- Boom Removal from Truck96
  - Lift Cylinder Removal96
- Boom Disassembly97
- Boom Assembly98
- Boom Cable Tensioning103
- Boom Installation on the Truck109
- Lift Cylinder Installation109
Section 5111
- Description111
Description112
- Maintenance112
- Hoist Repair113
  - Disassembly113
  - Reassembly113
- Hoist Service114
- Troubleshooting118
Section 6119
- Description119
- Theory of Operation119
  - Swing Drive119
  - Swing Brake119
Theory of Operation122
- Swing Gearbox and Brake122
- Swing Brake124
  - Disassembly124
  - Assembly125
- Swing Bearing126
  - Description126
- Maintenance126
  - General126
- Torquing Swing Bearing Bolts126
  - Swing Bearing Bolts126
  - Torque Values128
- Bearing Clearance128
- Bearing Replacement129
Section 7133
- Description133
- Front Outrigger Assembly133
Front Outrigger Assembly134
- Outrigger Beam Removal134
- Inspection135
- Outrigger Beam Installation135
- Extension Cylinder136
- Jack Cylinder137
- Wear Pad Adjustment137
Description134
- Rear Outriggers (RSOD)138
- Outrigger Monitoring System (OMS) (Optional-Standard in North America)140
Section 8143
- General143
Section 9159
- Minimum Truck Requirements159
Extension Protection Schematic163
Minimum Truck Requirements163
- Mounting Configuration163
  - Tractor Mounting Configuration163
- PTO and Hydraulic Pump163
- Truck Frame Strength165
- Truck Preparation169
- Reinforcing after Frame Extension170
- Mounting the Crane173
- CANBUS System Setup184
- Initial Crane Run in Procedure184
- RCL Calibration184
- Stability Test184
- Specifications187
Section 10189

Brand	Manitowoc
Model	National Crane NBT30H-2
Category	Construction Equipment
Language	English

Manitowoc National Crane NBT30H-2 Service Manual

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