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
Pages: 105
Issue: april 1995
Wiring Diagrams: Yes

Model

JLG Boom Lift
40HA

Contents

FOREWORD
LIST OF ILLUSTRATIONS
LIST OF TABLES
-SPECIFICATIONS
Capacities
Component Data
Performance Data
Torque Requirements
Lubrication
Pressure Settings
Cylinder Specifications
Major Component Weights
Critical Stability Weights
Serial Number Locations
-PROCEDURES
General
Servicing and Maintenance Guidelines
Lubrication Information
Cylinder – Theory of Operation
Valves – Theory of Operation
Wear Pads
Cylinder Checking Procedures
Cylinder Repair
Cylinder Removal and Installation
Boom Maintenance
Tilt Alarm Switch
Main Boom Limit Switch Adjustment Procedures
Throttle Checks and Precision Governor Adjustments – Ford VGS411 Engine
Throttle Checks and Adjustments – Deutz F2L-1011/Kubota Engines
Pressure Setting Procedures
Swing Bearing
Drive Torque Hub
Drive Torque Hub/Brake – 4WD Front
Swing Brake – Ausco (Machines Built Prior to August 1991)
Swing Brake – Ausco (Machines Built Prior to November 1992) ,
Swing Brake – Sepac (Machines Built From November 1992 to Present)
Drive Brake – Ausco (Machines Built Prior to March 1992)
Drive Brake – Mico (Machines Built March 1992 To Present)
PQ Controllers
Oscillating Axle Bleeding Procedure and Lockout Test
Basket Rotator Brake
Dual Fuel System
Free Wheeling Option
Spark Arrestor Mufflers
Foot Switch Adjustment
Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication
Boom Synchronizing Procedure
Preventive Maintenance and Inspection Schedule
-TROUBLESHOOTING
General
Troubleshooting Information
Hydraulic Circuit Checks