8.2 Start running after deposit for a long time ............................................................................. 36
9 Maintenance .......................................................................................................................... 37
9.1 Maintenance general ............................................................................................................. 37
9.2 Periodic maintenance schedule............................................................................................. 38
9.3 Remove or installing the hood ............................................................................................... 41
9.4 Remove or installing the drive wheel cover ........................................................................... 42
9.5 Truck used oil and lubrication ................................................................................................ 43
9.6 Check the fuses ..................................................................................................................... 44
10 Relevant safety directive or standard (CE) ........................................................................... 45
Part Ⅱ：Structure, Principle and Maintenance ....................................................................... 47
1 Drive Unit ............................................................................................................................. 47
1.1 Data sheet .............................................................................................................................. 47
1.2 Assemble and use notice ...................................................................................................... 48
1.3 Fault and troubleshooting ...................................................................................................... 48
1.4 Drive Motor ............................................................................................................................ 49
1.5 Electromagnetic brake ........................................................................................................... 53
1.5.1 Electromagnetic brake working principle .............................................................................. 54
1.5.2 Electromagnetic brake installation ........................................................................................ 55
1.5.3 Maintenance .......................................................................................................................... 56
1.5.4 Adjust the Air Gap of the Brake............................................................................................. 57
1.5.5 Common fault and troubleshooting ....................................................................................... 59
2 Hydraulic system ................................................................................................................... 60
2.1 Hydraulic system working principle ....................................................................................... 60
2.2 Hydraulic system fault diagnosis and correction ................................................................... 61
3 Electric system ...................................................................................................................... 62
3.1 Electrical schematic diagram ................................................................................................. 62
3.2 Drive motor controller ............................................................................................................ 63
3.2.1 Maintenance .......................................................................................................................... 63
3.2.2 Diagnostics and Troubleshooting .......................................................................................... 64
Attachment：Table for bolt’s tightening torque .............................................................................. 66
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