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
Quantity of Manuals: 2
Pages: 160; 156
Number: 3120679 (february 2012); 3120817 (february 2012)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

JLG Boom Lift
150HAX

Contents

-INTRODUCTION – MAINTENANCE SAFETY PRECAUTIONS
General
Hydraulic System Safety
Maintenance
-SPECIFICATIONS
Capacities
Engine Data
Drive/Steer System
Performance Data
Function Speeds
Lubrication
Torque Requirements
Pressure Settings – PSI (Bar)
Major Component Weights
Critical Stability weights
Serial Number Locations
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
Drive Torque Hub
Drive Brake – Mico – Machines Built March 1992 To S/N 33476
Drive Brake – Mico – Machines Built S/N 33476 To Present
Free Wheeling Option
Swing Bearing
Swing Torque Hub
Swing Brake – Ausco – Machines Built To 1992
Swing Brake – Mico – Machines Built To 1992
Swing Brake – Machines Built 1992 To Present
Swing Motor
PQ Controllers
Pump Coupling Conversion Procedures
Tilt Alarm Switch
Throttle Checks and Adjustments
-BOOM & PLATFORM
Boom Maintenance
Boom Chains
Wear Pads
Platform Rotator Brake
-HYDRAULICS
Valves – Theory of Operation
Cylinders – Theory of Operation
Cylinder Checking Procedures
Cylinder Removal and Installation
Cylinder Repair
Pressure Setting Procedures
Hydraulic Gear Pump
-SCHEMATICS
General
Troubleshooting
Hydraulic Circuit Checks