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: 554
Number: 3121651 (january 2019)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

JLG Boom Lift
740AJ
SN 0300185828 to Present

Contents

-INTRODUCTION – MAINTENANCE SAFETY PRECAUTIONS
General
Hydraulic System Safety
Maintenance
-SPECIFICATIONS
Operating specifications
Dimensional Data
Capacities
Engine Data
Tires
Component Data
Torque Requirements
Hydraulic Oil
Major Component Weights
Operator Maintenance
-GENERAL
Machine Preparation, Inspection, and Maintenance
Service and Guidelines
Lubrication and Information
Cylinder Drift Test
Pins and Composite Bearing Repair Guidelines
Welding on JLG Equipment
-CHASSIS & TURNTABLE
Tires & Wheels
Tow Bar (If Equipped)
Oscillating Axle Lockout Test (If Equipped)
Wheel Drive Assembly
Drive Hub
Drive Brake
Drive Motor
Swing Hub
Swing Motor
Swing Hub Removal
Swing Hub Installation
Swing Bearing
Tilt Indicator System
Spark Arrester Cleaning Instructions
Rotary Coupling
Generator
Auxiliary Power System
Deutz Engine
Deutz Engine – TD2011L04
Deutz Engine – TD2.9L4
Dual Fuel System
Deutz EMR 2
GM Engine General Maintenance
GM Engine Dual Fuel System
GM Engine Fuel System Repair
GM Engine LPG Fuel System Diagnosis
Air Compressor
Counterweight
-BOOM & PLATFORM
Platform
Rotator and Slave Cylinder
Boom System
Main Boom Powertrack
Powertrack Maintenance
Boom Cleanliness Guidelines
Main Boom Assembly
Upright
Tower Boom Assembly
Articulating Jib
Upright Monitoring System
UMS Troubleshooting and Fault Messages
Sequence for Hose Replacement in the Tower Boom
Limit Switches Adjustment
Boom Valve Adjustment
Rotator Assembly
Foot Switch Adjustment
Bolt-On External Fall Arrest System
Skyguard
-BASIC HYDRAULICS INFORMATION & SCHEMATICS
Lubricating 0-Rings in the Hydraulic System
Hydraulic cylinders
Cylinder Removal and Installation
Hydraulic Pump W/hayes Pump Drive Coupling Lubrication
Pressure Setting Procedures
Hydraulic Component Start-Up Procedures and Recommendations
Hydraulic Drive Pump Pre-fill Procedure
Function Pump
Hydrostatic Pump
Hydraulic Schematics
-JLG CONTROL SYSTEM
JLG Control System Analyzer Kit Instructions
Machine Personality Settings and Function Speeds
Machine Orientation When Setting Function Speeds
LSS System
Resetting The MSSO System
CANbus Communications
-BASIC ELECTRICAL INFORMATION & SCHEMATICS
General
Multimeter Basics
Applying Silicone Dielectric Compound to Electrical Connections
AMP Connector
Deutsch Connectors
Telematics Gateway
Electrical Schematics