Sinoboom TB20J Plus - Table of Contents

TB20J Plus Maintenance Manual
i
© Feb. 2023
CONTENTS
1 Safety Warning Symbols
and Signs .........................1
2 Maintenance Safety
Precautions......................5
2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Instructions before Maintenance . . 5
Requirements for Maintenance
Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Precautions before Maintenance . . . . . 5
2.3 Maintenance Safety . . . . . . . . . . . . . . . 6
2.4 Considerations after
Maintenance . . . . . . . . . . . . . . . . . . . . . 10
3 Technical Characteristics 11
3.1 Machine Specifications . . . . . . . . . . 11
3.2 Specifications of Major
Components . . . . . . . . . . . . . . . . . . . . . 13
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Reducer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hydraulic Pump. . . . . . . . . . . . . . . . . . . . . . 15
3.3 Function Speed . . . . . . . . . . . . . . . . . . 15
3.4 Weight of Major Components . . . . 16
3.5 Pressure Requirements . . . . . . . . . . 17
3.6 Oil Requirements . . . . . . . . . . . . . . . . 18
3.7 Torque Specifications . . . . . . . . . . . . 19
Special Torque Requirements . . . . . . . 19
Fastener Torque Specifications. . . . . . 20
Hydraulic Hose Torque . . . . . . . . . . . . . . 22
Hydraulic Fitting Torque . . . . . . . . . . . . . 22
4 Maintenance Instructions25
4.1 Inspection and Preventative Mainte-
nance Schedule . . . . . . . . . . . . . . . . . . 25
Pre-delivery Inspection . . . . . . . . . . . . . . 25
Pre-operation Inspection . . . . . . . . . . . . 25
Frequent Inspection . . . . . . . . . . . . . . . . . 25
Annual Machine Inspection . . . . . . . . . . 25
Preventive Maintenance . . . . . . . . . . . . . 25
Responsible Persons and Qualifi-
cations for Performing Inspection
and Maintenance . . . . . . . . . . . . . . . . . . . . 26
Inspection and Preventative Main-
tenance Schedule . . . . . . . . . . . . . . . . . . . 26
4.2 General Maintenance
Instructions. . . . . . . . . . . . . . . . . . . . . . . 30
4.3 Major Modification and Repair . . . 34
5 Chassis and Turntable
Assembly ....................... 35
5.1 Chassis and Turntable System. . . 35
Chassis Tilt Sensing System . . . . . . . . 35
Travel Drive System . . . . . . . . . . . . . . . . . 35
Travel Speed Reduction System . . . . 35
Reverse Drive Confirmation System. 35
Outrigger Oscillating System . . . . . . . . 35
5.2 Tire Assembly . . . . . . . . . . . . . . . . . . . . 35
Check Wheel Fasteners . . . . . . . . . . . . . 36
Replacement Requirements . . . . . . . . . 36
Replace Tires . . . . . . . . . . . . . . . . . . . . . . . . 36
5.3 Travel Drive Device . . . . . . . . . . . . . . 37
Check Disengaged Drive Hub Cap . . 38
Check Oil Level in Travel Reducer. . . 38
Replace Gear Oil in Travel Reducer . 38
Disassembly and Installation . . . . . . . . 38
5.4 Slewing Mechanism. . . . . . . . . . . . . . 39