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: 252; 266; 264
Number: CTRL665-01 (september 2019)
Bookmarks: Yes
Searchable: Yes

Model

National Crane Crane
NBT50L

Contents

-INTRODUCTION
Service Manual Description
General Maintenance
Weld Studs
Hydraulic Fitting
Hoist Cable Inspection and Maintenance
Wire Rope
-HYDRAULIC SYSTEM
Hydraulic System Maintenance
Parts Replacement
Service
System Description
Hydraulic Valves
Removal
Counterweight Removal Cylinder and Tilt Cab Valve
Hydraulic System Setup Procedure
Hydraulic Pump
Hydraulic System Troubleshooting
-ELECTRIC SYSTEM
Electrical System Description
Jump Starting Hazard
Charging the Battery
Welding Precautions
Electrical System Maintenance
Cab Module, Fuse, Relay Panel
Superstructure Server Module
Directional Control Valve
Directional Control Valve (DCV) Solenoids
Outrigger Manifolds
Hydraulic Oil Cooler
Wind Speed Sensor (Optional)
Camera System (Optional)
Rated Capacity Limiter (RCL) System Description
Calibrating RCL Sensors
Component Addressing
Diagnostics
-BOOM MAINTENANCE
RCL Cable Reel
Five Section Boom
Boom Cable Tensioning
Calibrating the Boom
Telescope Cylinder
Jib
Lift Circuit
-HOIST AND COUNTERWEIGHT
Hoist Description
Drum Rotation Indicator
Hoist Repair
Roller Assembly
Brake Cylinder
Planetary Set
Brake Clutch
Hoist Troubleshooting
Counterweight Cylinder
-SWING
Swing System Description
Swing Gearbox and Brake
Swing Brake
Swing Bearing
Swing Bearing Maintenance
Bearing Clearance
Bearing Replacement
-OUTRIGGERS
Outrigger Description
Outrigger Theory of Operation
Maintenance
Outrigger Beam
Extension Cylinder
Outrigger Jack Cylinder
Outrigger System Valves
Single Front Outrigger (SFO) Cylinder (Optional)
-LUBRICATION
Lubrication Description
Lubrication Points
Wire Rope Lubrication
Carwell Rust Inhibitor
-CRANE INSTALLATION
Minimum Truck Requirements
Mounting Configurations
PTO Requirements
Truck Frame Strength
Truck Preparation
Mounting The Crane
Initial Crane Run in Procedure
Stability Test
Specifications