TB24 Plus&26J Plus Maintenance Manual iii © Jun 2022
D-2 Replace Slewing Reducer
Gear Oil. . . . . . . . . . . . . . . . . . . . . . . . . . . .5-35
D-3 Replace Hydraulic Oil . . . . . . . . .5-35
D-4 Replace Hydraulic Tank
Suction Filter. . . . . . . . . . . . . . . . . . . . . . .5-36
D-5 Replace Coolant and Coolant
Hoses (water-cooled engine) . . . . . .5-36
D-6 Replace Fuel Hoses. . . . . . . . . . .5-36
D-7 Inpsect Boom Wear Pads . . . . .5-37
6 Repair Procedures .............. 6-1
Boom and Platform Components . . . . . 6-1
Boom and Platform Systems . . . . . . . 6-1
Platform Controller. . . . . . . . . . . . . . . . . . 6-2
Platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Platform Rotate Motor . . . . . . . . . . . . . . 6-2
Jib Boom Assembly (TB26J Plus
only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Platform Level Cylinder . . . . . . . . . . . . . 6-3
Cable Track Assembly . . . . . . . . . . . . . . 6-4
Steel Cable Tensioning Adjustment. 6-4
Main Boom Assembly . . . . . . . . . . . . . . 6-5
Chassis and Turntable Components . . 6-6
Tires and Rims. . . . . . . . . . . . . . . . . . . . . . 6-6
Reducer and Drive Motor . . . . . . . . . . . 6-7
Turntable Slewing Mechanism. . . . . 6-11
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-14
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-14
Hydraulic Generator . . . . . . . . . . . . . . .6-15
Hydraulic System . . . . . . . . . . . . . . . . . . . .6-16
Layout of Hydraulic Elements. . . . . .6-16
Function Valves. . . . . . . . . . . . . . . . . . . .6-18
Hydraulic Symbols . . . . . . . . . . . . . . . . .6-27
Hydraulic Schematic . . . . . . . . . . . . . . .6-28
Electrical System. . . . . . . . . . . . . . . . . . . . .6-31
Fault Code Description . . . . . . . . . . . .6-31
Use and Maintenance of Battery. . .6-36
Electrical Symbols . . . . . . . . . . . . . . . . .6-38
Electrical Schematic . . . . . . . . . . . . . . .6-40
7 Rexroth control system ........ 7-1
Display interface . . . . . . . . . . . . . . . . . . . . . . 7-1
Main interface after booting . . . . . . . . . . . 7-3
Description of icon function . . . . . . . . . . . 7-3
Language setting. . . . . . . . . . . . . . . . . . . . . . 7-4
Test-run information . . . . . . . . . . . . . . . . . . . 7-5
Sensor calibration . . . . . . . . . . . . . . . . . . 7-5
Weight calibration. . . . . . . . . . . . . . . . . . . 7-6
Joystick calibration . . . . . . . . . . . . . . . . . 7-6
Advanced setting. . . . . . . . . . . . . . . . . . . . . . 7-7
Sensor configuration. . . . . . . . . . . . . . . . 7-7
Turntable enable. . . . . . . . . . . . . . . . . . . . 7-7
Standardization . . . . . . . . . . . . . . . . . . . . . 7-8
Proportional configuration . . . . . . . . . . 7-9
Parameter restore/save. . . . . . . . . . . . 7-11
System information . . . . . . . . . . . . . . . . . .7-12
Time setting. . . . . . . . . . . . . . . . . . . . . . . .7-12
Sensor information . . . . . . . . . . . . . . . .7-12
Digital input information. . . . . . . . . . . .7-13
Digital output information . . . . . . . . . .7-13
Proportional information . . . . . . . . . . .7-14
Engine information. . . . . . . . . . . . . . . . .7-14
Turntable panel information . . . . . . . . . .7-17
Platform information. . . . . . . . . . . . . . . . . .7-17
Alarm information . . . . . . . . . . . . . . . . . . . .7-18
Appendix 1: Prepare the Work
Record before Delivery........ A-1
Appendix 2: Repair & Inspection
Report ............................. A-3
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