8.2 Start running after deposit for a long time .............................................................................. 38
9 Maintenance ........................................................................................................................... 39
9.1 Maintenance general ...............................................................................................................39
9.2 Periodic maintenance schedule ..............................................................................................40
9.3 Remove or installing the hood ................................................................................................ 43
9.4 Remove or installing the drive wheel cover............................................................................44
9.5 Truck used oil and lubrication ................................................................................................. 45
9.6 Check the fuses .......................................................................................................................46
10 Relevant safety directive or standard (CE) ............................................................................47
Part Ⅱ：Structure, Principle and Maintenance.........................................................................49
1 Drive Unit...............................................................................................................................49
1.1 Data sheet ............................................................................................................................... 49
1.2 Assemble and use notice ........................................................................................................50
1.3 Fault and troubleshooting ....................................................................................................... 50
1.4 Drive Motor ..............................................................................................................................51
1.5 Electromagnetic brake ............................................................................................................ 55
1.5.1 Electromagnetic brake working principle ................................................................................56
1.5.2 Electromagnetic brake installation ..........................................................................................57
1.5.3 Maintenance ............................................................................................................................58
1.5.4 Adjust the Air Gap of the Brake ..............................................................................................60
1.5.5 Common fault and troubleshooting ........................................................................................ 62
2 Hydraulic system .................................................................................................................... 63
2.1 Hydraulic system working principle.........................................................................................63
2.2 Hydraulic system fault diagnosis and correction.................................................................... 64
3 Electric system ........................................................................................................................65
3.1 Electrical schematic diagram.................................................................................................. 65
3.2 Drive motor controller ..............................................................................................................70
3.2.1 Maintenance ............................................................................................................................70
3.2.2 Diagnostics and Troubleshooting...........................................................................................71
Attachment：Table for bolt’s tightening torque ...............................................................................75
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