Factory Service Manual For National Crane Crane. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: ENG; ESP; POR
Quantity of Manuals: 3
Pages: 246; 250; 250
Number: CTRL286-10 (march 2018); CTRL286-11 (june 2018)
Bookmarks: Yes
Searchable: Yes

Model

National Crane Crane
NBT50

Contents

-INTRODUCTION
General
General Maintenance
Hoist Cable Inspection and Maintenance
Wire Rope
-HYDRAULIC SYSTEM
Description
Maintenance
Supply Pressure and Return Circuit
Hydraulic Oil Cooler
Hydraulic Pump
Hydraulic System Setup Procedure
Valves
Outrigger Manifolds
Holding Valves
-ELECTRIC SYSTEM
Description
Welding Precautions
Maintenance
Rated Capacity Limiter (RCL) System Description
Cab Module, Fuse, Relay Panel
Superstructure Server Module
Directional Control Valve
Directional Control Valve (DCV) Solenoids
Outrigger Manifolds
Hydraulic Oil Cooler
-BOOM MAINTENANCE
Four Section Boom
Five Section Boom
Boom Cable Tensioning
Boom Calibration
Multi-stage Extend Cylinder
Jib Boom
Lift Circuit
-HOIST AND COUNTERWEIGHT
Description
Drum Rotation Indicator
Troubleshooting
Hoist Repair
Troubleshooting
Counterweight Cylinder
-SWING
Description
Theory Of Operation
Swing Gearbox and Brake
Swing Brake
Swing Bearing
Maintenance
Bearing Clearance
Bearing Replacement
-OUTRIGGERS
Description
Theory of Operation
Maintenance
Outrigger Beam
Extension Cylinder
Outrigger Jack Cylinder
Outrigger System Valves
Single Front Outrigger (SFO) Cylinder (Optional)
-LUBRICATION
General
Lubrication Points
Wire Rope Lubrication
Carwell Rust Inhibitor
-CRANE INSTALLATION
General
Minimum Truck Requirements
Mounting Configurations
PTO Requirements
Truck Frame Strength
Truck Preparation
Mounting The Crane
Initial Crane Run in Procedure
Stability Test
Specifications