JLG 450A 450AJ Service And Maintenance Manual Boom Lift manuals in PDF

Factory Service And Maintenance Manual For JLG Boom Lift. Manual Contains Important Information And Instructions For Maintenance Description Of The Functions And Capabilities Of The System. Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Quantity of Manuals: 2
Pages: 152; 116
Number: 3120749 (november 2000); 3120869 (february 2000)
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

JLG Boom Lift
450A
450AJ

Contents

-INTRODUCTION – MAINTENANCE SAFETY PRECAUTIONS
General
Hydraulic System Safety
Maintenance
-SPECIFICATIONS
Capacities
Component Data
Tires
Specifications and Performance Data
Torque Requirements
Lubrication
Pressure Settings – PSI (Bar)
Major Component Weights
Critical Stability Weights
Cylinder Specifications
Function Speeds (in Seconds)
Serial Number Location
-PROCEDURES
General
Service and Guidelines
Lubrication and Information
Cylinders – Theory of Operation
Valves – Theory of Operation
Boom Maintenance
Cylinder Checking Procedure
Cylinder Repair
Mid and Lower Lift Cylinder Bleeding Procedure
Hydraulic Pump (Gear)
Swing Bearing
Worm Gear
Boom Synchronizing Procedure
Jib
Bleeding Oscillation Cylinders
Oscillating Axle Lockout Test
Adjustment Procedure For Lockout Valve
Torque Hub (Prior to S/N 39594)
Torque Hub (S/N 39594 to Present)
Drive Brake (Ausco)
Boom Limit Switches
Lift Up and Platform Level Down Disable Switch
Electric Governor Installation and Adjustments – Ford Engine (Prior to S/N 46089)
Ford EFI Engine (machines after S/N 46089)
Drive and Steer Controller
Lift and Swing Controller
Function Control
Throttle Checks and Adjustments – Deutz Engine
Automatic Choke Adjustment – Ford Engine
Cold Weather Starting Difficulty
Checking the Fuel
Tilt Alarm Switch
Pressure Setting Procedures
Hydraulic Component Start-Up Procedures and Recommendations
Semi-Track
Preventive Maintenance and Inspection Schedule
-TROUBLESHOOTING
General
Troubleshooting
Hydraulic Circuit Checks

What you get

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