JLG G5-18A Service Manual User Manual
Service manual
This manual is related to the following products:
Table of contents
Document Outline
- 31200926_A_JLG_G5-18A,2505H,25.5_Service Manual
- Effectivity Page
- Read This First
- Table of Contents
- Section 1 Safety Practices
- Section 2 General Information and Specifications
- Section 3 Boom
- Section 4 Cab
- 4.1 Operator Cab Component Terminology
- 4.2 Safety Information
- 4.3 Operator Cab
- 4.4 Cab Components
- 4.4.1 Steering Wheel
- 4.4.2 Steering Column/Valve Replacement
- 4.4.3 Brake Pedal and Valve
- 4.4.4 Accelerator Pedal Replacement
- 4.4.5 Joystick Replacement
- 4.4.6 Windshield Wiper Assembly (If Equipped)
- 4.4.7 Windshield Washer Assembly (If Equipped)
- 4.4.8 Heater/Air Conditioning System (If Equipped)
- 4.4.9 Air Conditioning (If Equipped)
- 4.4.10 Air Filter System (If Equipped)
- 4.5 Cab Removal
- 4.6 Cab Installation
- Section 5 Axles, Drive Shafts, Wheels and Tires
- Section 6 Transmission
- Section 7 Engine
- Section 8 Hydraulic System
- 8.1 Hydraulic Component Terminology
- 8.2 Safety Information
- 8.3 General Information
- 8.4 Specifications
- 8.5 Hoses, Tube Lines, Fittings, Etc.
- 8.6 Hydraulic Pressure Diagnosis
- 8.7 Hydraulic Schematic
- 8.8 Hydraulic Reservoir
- 8.9 Hydraulic System Pump
- 8.10 Front Drive Motor
- 8.11 Control Valves
- 8.11.1 Main Control Valve
- 8.11.2 Service Brake Valve
- 8.11.3 Park Brake Valve (G5-18A)
- 8.11.4 Hand Brake Valve (2505H & 25.5)
- 8.11.5 Steering Orbitrol Valve
- 8.11.6 Pilot Select Valve
- 8.11.7 Inching Valve
- 8.11.8 Priority Valve
- 8.11.9 Steer Select Valve
- 8.11.10 Quick Attach Valve
- 8.11.11 Variable Speed Fan Valve
- 8.12 Hydraulic Cylinders
- Section 9 Electrical System
- 9.1 Electrical Component Terminology
- 9.2 Safety Information
- 9.3 Fuses and Relays
- 9.4 Electrical System Schematics
- 9.5 Engine Start Circuit
- 9.6 Charging Circuit
- 9.7 Electrical System Components
- 9.8 Window Wiper/Washer
- 9.9 Cab Heater/AC and Fan
- 9.10 Switches, Solenoids and Senders
- 9.11 Load Stability Indicator System (2505H & 25.5)
- 9.12 Hand Held Analyzer (2505H & 25.5)
- 9.13 Diagnostic Trouble Codes (DTC) on Ground Module
- 9.14 Engine Diagnostic Trouble Code EMR4