Manitowoc National Crane NBT30H-2 - Service Manual

Manitowoc National Crane NBT30H-2

194 pages

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Service Manual

National Crane NBT30H-2

Table of Contents

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
General144
- Lubrication145
- Wire Rope Lubrication152
- Carwell© Rust Inhibitor153
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

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