JLG 40HT Service & Maintenance Manual (3120243) – PDF Download En

Description

JLG 40HT Service & Maintenance Manual (3120243) – PDF Download

TABLE OF CONTENTS:

JLG 40HT Service & Maintenance Manual (3120243) – PDF Download

SUBJECT – SECTION, PARAGRAPH PAGE NO
LIST OF ILLUSTRATIONS AND TABLES ii
SECTION 1 – SPECIFICATIONS
1-1 Capacities 1-1
1-2 Component Data 1-1
1-3 Performance D􀁓ta 1-2
1-4 Torque Requirements : 1-2
1-5 Lubrication 1-3
1-6 Pressure Settings 1-7
1-7 Cylinder Specifications 1-7
1-8 Boom Tape 1-8
t-9 Major Component Weights 1-8
SECTION 2 – PROCEDURES
2-1 Boom Chains · 2-1
2-2 Wear Pads 2-3
2-3 Drift Test 2-3
2-4 Tilt Alarm Switch Leveling 2-4
2-5 Pressure Setting Procedures 2-5
2-6 Racine Proportional Air Gap Adjustment 2-9
2-7 Swing Bearing 2-10
2-8 Drive Hub Timing 2-14
2-9 P O Controllers 2-14
2-10 Preventive Maintenance and Inspection Schedule 2-16
SECTION 3 – TROUBLESHOOTING
3-1 General 3-1
3-2 Troubleshooting Information 3-2
3-3 Hydraulic Circuit Checks 3-21
LIST OF ILLUSTRATIONS AND TABLES
TITLE
Lubrication Chart
Torque Chart
Typical 3 Section Boom Assembly
Proportional Valve Pressure Setting
Proportional Valve Pilot Pressure Setting
Solenoj􀂅 Valve Pressure Settings (W/O Steering Wheel)°
Pressure and Flqw Settings (With Steering Wheel)
Racine -Proportional Air Gap
Swing Bearing Tolerance Boom Placement
Swing Bearing Tolerance Measuring Point
Swing Bearing Torquing Sequence
Drive Hub Carrier Timing·
Platform Assembly Troubleshooting
Boom Assembly Troubleshooting
Turntable Assembly Troubleshooting
Chassis Assembly Troubleshooting
Hydraulic Systems Troubleshooting
Electrical Systems Troubleshooting •

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