HANGCHA A Series - Page 4

10 Relevant safety directive or standard (CE ) .......................................................................... 69
Part Ⅱ: Structure, Principle and Maintenance ......................................................................... 71
1 Drive system.......................................................................................................................... 71
1.1 Reduction box ........................................................................................................................ 72
1.1.1 Working principle ................................................................................................................... 73
1.1.2 Dismount and assemble order .............................................................................................. 74
1.1.3 Notice to installment and use ................................................................................................ 74
1.1.4 Fault and troubleshooting ...................................................................................................... 74
1.2 Motor ...................................................................................................................................... 75
1.3 Electromagnetic brake ........................................................................................................... 82
1.3.1 Working principle ................................................................................................................... 83
1.3.2 Brake installment ................................................................................................................... 84
1.3.3 Brake air gap adjustment ...................................................................................................... 86
1.3.4 Maintenance .......................................................................................................................... 87
1.3.5 Common fault and troubleshooting ....................................................................................... 88
2 Hydraulic system ................................................................................................................... 89
2.1 Hydraulic system working principle ....................................................................................... 90
2.2 Hydraulic unit ......................................................................................................................... 91
2.3 Hydraulic system fault diagnosis and correction ................................................................... 92
3 Electric system ...................................................................................................................... 93
3.1 Principles of electrical system ............................................................................................... 93
3.2 Fault code table ..................................................................................................................... 95
Attachment：Table for bolt’s tightening torque ............................................................................. 113