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: 608
Number: 3121665 (january 2019)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

JLG Boom Lift
520AJ

Contents

-INTRODUCTION – MAINTENANCE SAFETY PRECAUTIONS
General
Hydraulic System Safety
Maintenance
-SPECIFICATIONS
Operating Specifications
Dimensional Data
Capacities
Tires
Engine Data
Hydraulic Oil
Maintenance and Lubrication
-GENERAL
Machine Preparation, Inspection, and Maintenance
Service and Guidelines
Lubrication and Information
Cylinder Drift
Pins and Composite Bearing Repair Guidelines
Welding on JLG Equipment
-CHASSIS & TURNTABLE
Tires and Wheels
Oscillating Axle System
Lockout Cylinder Bleeding
Oscillating Axle Lockout Test
Drive Orientation System
Chassis Tilt Indicator System
Drive System
Wheel Drive Assembly
Torque Hub
Re-Align Torque Hub Input Coupling
Drive Motor
Drive Brake
Swing Bearing
Swing Motor
Generator
Deutz Engine D2.3L3
Deutz EMR 2
Bio Fuel in Deutz Engines
DGC Diagnostic Support and Trouble Code Definitions
Diagnostic Trouble Code Fault Descriptions
Counterweight
-BOOM & PLATFORM
Boom Systems
Platform
Rotator
Jib
Platform Level Cylinder
Main Boom Powertrack
Powertrack Maintenance
Boom Cleanliness Guidelines
Boom Shimming Procedure
Boom Assembly
Rotary Actuator
Foot Switch Adjustment
Skyguard
-BASIC HYDRAULICS INFORMATION & SCHEMATICS
Lubricating O-rings In The Hydraulic System
Hydraulic Connection Assembly And Torque Specification
Hydraulic Cylinders
Pressure Setting Procedure
Drive Pump Pre-Fill Procedure
Hydraulic Schematics
-JLG CONTROL SYSTEM
JLG Control System Analyzer Kit Instructions
LSS System
Resetting the MSSO System
Machine Model Adjustment
-BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
General
Multimeter Basics
Applying Silicone Dielectric Compound to Electrical Connections
AMP Connector
Deutsch Connectors
Telematics Gateway
Wiring Harness Connector Labels
Wiring Harness
Electrical Schematics