JLG G12-55A Service Manual User Manual
Service manual
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Table of contents
Document Outline
- 31200795_C_G10-55A G12-55A_JLG_Service
- Effectivity Page
- Table of Contents
- Section 1 Safety Practices
- Section 2 General Information and Specifications
- Section 3 Boom
- 3.1 Boom System Component Terminology
- 3.2 Boom System - Four Section
- 3.3 Boom Assembly Maintenance
- 3.4 Complete Boom Removal/ Installation
- 3.5 Boom Section Removal/Installation
- 3.5.1 Second, Third and Fourth Boom Section Removal
- 3.5.2 Third and Fourth Boom Section Removal
- 3.5.3 Fourth Boom Section Removal
- 3.5.4 Hose Carrier Removal
- 3.5.5 Fourth Boom Section Assembly
- 3.5.6 Hose Carrier Installation
- 3.5.7 Third Boom Section Assembly
- 3.5.8 Fourth Boom Section Installation
- 3.5.9 Second Boom Section Assembly
- 3.5.10 Third and Fourth Boom Section Installation
- 3.5.11 Second, Third and Fourth Boom Section Installation
- 3.6 Boom Section Separation Adjustment
- 3.7 Hose Carrier Assembly Removal/Installation
- 3.8 Quick Switch Assembly
- 3.9 Boom Wear Pads
- 3.10 Boom Extend/Retract Chain Removal/Installation
- 3.11 Boom Chain Inspection and Lubrication
- 3.12 Forks
- 3.13 Emergency Boom Lowering Procedure
- 3.14 Troubleshooting
- Section 4 Cab and Covers
- Section 5 Axles, Drive Shafts, Wheels and Tires
- Section 6 Transmission
- Section 7 Engine
- Section 8 Hydraulic System
- Section 9 Electrical System
- 9.1 Electrical Component Terminology
- 9.2 Specifications
- 9.3 Safety Information
- 9.4 Fuses and Relays
- 9.5 Electrical System Schematics
- 9.6 Engine Start Circuit
- 9.7 Window Wiper/Washer Windshield Wiper Motor
- 9.8 Cab Heater and Fan
- 9.9 Solenoids, Sensors and Senders
- 9.10 Display Monitor and Gauges
- 9.11 Dash Switches
- 9.12 SAE Diagnostic Trouble and Fault Codes