JLG 60H 70H Service & Maintenance Manual (3120630) – PDF Download (Eng)

Description

JLG 60H 70H Service & Maintenance Manual (3120630) – PDF Download

TABLE OF CONTENTS:

JLG 60H 70H Service & Maintenance Manual (3120630) – PDF Download 

SUBJECT – SECTION, PARAGRAPH
INTRODUCTION – MAINTENANCE SAFETY PRECAUTIONS
LIST OF ILLUSTRATIONS AND TABLES
SECTION 1 – SPECIFICATIONS
1-1. Capacities
1-2. Component Data
1-3. Performance Data
1-4. Torque Requirements
1-5. Lubrication
1-6. Pressure Setting
1-7. Cylinder Specifications
1-8. Boom Tape
1-9. Major Component Weights
1-10. Critical Stability Weights
1-11. Relay/Circuit Breakers
1-12. Serial Number Location
SECTION 2 – PROCEDURES
2-1 General
2-2. Servicing and Maintenance Guidelines
2-3. Lubrication Information
2-4. Cylinders – Theory of Operation
2-5. Valves – Theory of Operation
2-6. Boom Chains
2-7. Wear Pads
2-8. Cylinder Checking Procedure
2-9. Cylinder Repair
2-10. Cylinder Removal and Installation
2-11. Telescope Cylinder Eccentric Bushing
2-12. Boom Maintenance
2-13. Tilt Alarm Switch
2-14. Horizontal Cutoff Switch Adjustment Procedure
2-15. Governor Checks and Adeco Adjustment
2-16. Throttle Checks and Precision Governor Adjustments
2-17. Throttle Checks and Adjustments Deutz Engine
2-18. Pressure Setting Procedures
2-19. Racine Proportional Air Gap Adjustment
2-20. Swing Bearing
2-21. Torque Hub (Machines Built Prior to Mid 1991)
2-22. Torque Hub 2WD/4WD
2-23. Swing Drive Brake, Mico (Machines Built Prior to May 1992)
2-24. Drive Brake, Mico (Machines Built Prior to May 1992)
2-25. Swing Drive Brake, Ausco (Machines Built Prior to May 1992)
2-26. Drive Brake, Ausco (Machines Built Prior to May 1992)
2-27. Drive Brake, Mico (Machines Built From May 1992 to Present)
2-28. Swing Drive Brake, Mico (Machines Built From May 1992 to Present)
2-29. Controllers
2-30. Oscillating Axle Bleeding Procedure
2-31. Oscillating Axle Lockout Test
2-32. Basket Rotator Brake
2-33. Free Wheeling Option
2-34. Spark Arrestor Mufflers
2-35. Footswitch Adjustment
2-36. Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication
2-37. Dual Fuel System
2-38. Preventive Maintenance and Inspection Schedule
SECTION 3 – TROUBLESHOOTING
3-1 General
3-2. Troubleshooting Information
3-3. Hydraulic Circuit Checks
JLG Lift
Torque Chart
Lubrication Chart
Relay Wiring
Serial Number Location
Typical Three Section Boom Assembly
Boom Positioning and Support – Cylinder Repair
Poly Pak Seal Installation
Telescope Cylinder Eccentric Bushing
Governor Adjustment, LSG-423 with Adeco
Adeco Adjustment, LSG-423
Precision Governor Adjustment, LSG-423
Adeco Actuator Adjustment, F3L912
Racine Proportional Valve Pressure Setting Procedures (Machines Built Prior to Mid 1987)
Vickers Pressure Setting Procedures (Machines Built Prior to 1989 with Accessory Valve)
Solenoid Valve Pressure Setting Procedures (Machines Built Prior to May 1992 with Steer Wheel)
Pressure and Flow Setting Procedures (Machines Built Prior to May 1992 with Steer Wheel)
Vickers Proportional Pressure Setting Procedures
Vickers All Hydraulic Pressure Setting Procedures
Solenoid Valve Pressure Setting Procedures
Solenoid Valve Pressure Setting Procedures 4 W/S
Pressure and Speed Setting Procedures – Extend-A-Reach (Model 60H+6)
Racine Proportional Air Gap Adjustment (Machines Built Prior to Mid 1987)
Swing Bearing Tolerance Boom Placement
Swing Bearing Tolerance Measuring Point
Swing Bearing Bolt Torquing Sequence
Torque Hub Assembly (Machines Built Prior to Mid 1991)
Torque Hub Assembly 2WD/4WD
Torque Hub Carrier Timing
Swing Brake Assembly – Mico (Machines Built Prior to May 1992)
Drive Brake Assembly – Mico (Machines Built Prior to May 1992)
Swing Brake Assembly -Ausco (Machines Built Prior to May 1992)
Drive Brake Assembly – Ausco (Machines Built Prior to May 1992)
Drive Brake Assembly – Mico (Machines Built From May 1992 to Present)
Swing Brake Assembly – Mico (Machines Built From May 1992 to Present)
Basket Rotator Brake
Wiring Diagram – Dual Fuel (Ford and Wisconsin)
Wiring Diagram – 11 0V Generator (Ford)
Wiring Diagram – 11 0V Generator (Deutz)
Wiring Diagram – Platform Console (w/ All Hydraulic Controls)
Wiring Diagram – Platform Console (Standard Controls)
Wiring Diagram – Precision Governor
Wiring Diagram – Ford Engine
Wiring Diagram – Deutz, Wisconsin Engine
Wiring Diagram – Deutz Engine Hyd.C ontrols
1-2. Lubrication Specifications
1-3. Cylinder Specifications
1-4. Major Components Weights
1-5. Critical Stability Weights
2-1. Chain Stretch Tolerances
2-2. Cylinder Piston Nut Torque Specifications
2-3. Holding Valve Torque Specifications
2-4. Preventive Maintenance and Inspection Schedule
3-1. Platform Assembly Troubleshooting
3-2. Boom Assembly Troubleshooting
3-3. Turntable Assembly Troubleshooting
3-4. Chassis Assembly Troubleshooting
3-5. Hydraulic System Troubleshooting
3-6. Electrical System Troubleshooting

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