HANGCHA Mini Range CDD12-A2MJ-SZ Operation And Maintenance Manual page 4

9 Maintenance .......................................................................................................................... 37
9.1 Maintenance general ............................................................................................................. 37
9.2 Periodic maintenance schedule............................................................................................. 38
9.3 Truck used oil and lubrication ................................................................................................ 43
9.4 Replace hydraulic oil.............................................................................................................. 44
9.5 Replace wheels ..................................................................................................................... 45
9.5.1 Replace drive wheel .............................................................................................................. 45
9.5.2 Replace load wheels ............................................................................................................. 46
9.5.3 Replace auxiliary wheel ........................................................................... 错误！未定义书签。
9.6 Replace the key safe parts periodically ................................................................................. 47
10 Relevant safety directive or standard (CE) ........................................................................... 48
Part Ⅱ：Structure, Principle and Maintenance ....................................................................... 49
1 Drive Unit ............................................................................................................................... 49
Drive unit structure and principle ............................................................ 错误！未定义书签。
1.1
1.2 Dismantle drive unit from the truck ........................................................................................ 50
1.3 Assemble and use notice ...................................................................................................... 50
1.4 Fault and troubleshooting ...................................................................................................... 50
1.5 Drive motor ............................................................................................................................ 51
1.6 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............................................................................................. 59
1.5.5 Common fault and troubleshooting ....................................................................................... 61
2 Hydraulic system ................................................................................................................... 63
2.1 Hydraulic system working principle ....................................................................................... 64
2.2 Hydraulic unit ......................................................................................................................... 66
2.3 Hydraulic unit dismantle ........................................................................... 错误！未定义书签。
2.4 Dismantle the lifting cylinder from the truck or replace ............................ 错误！未定义书签。
2.5 Hydraulic system fault diagnosis and correction ................................................................... 67
3 Electric system ...................................................................................................................... 68
3.1 Electrical schematic diagram ................................................................................................. 68
3.2 Drive motor controller ............................................................................................................ 72
3.2.1 Maintenance .......................................................................................................................... 72
3.2.2 Fault code table ..................................................................................................................... 74
Attachment：Table for bolt's tightening torque .............................................................................. 76