DEMAG DC-Com 1 Operating Instructions Manual page 5

7.5 Taking the equipment out of operation...................................................................................................................... 60
7.5.1 Taking the equipment out of service when faults occur ............................................................................................ 60
7.5.2 Taking the equipment out of service at the end of the shift....................................................................................... 60
7.5.3 Taking the equipment out of service for maintenance and repairs............................................................................ 60
8 Maintenance/repair.................................................................................................................................................... 62
8.1 Safety instructions for maintenance and repair work ................................................................................................ 62
8.2 Basic maintenance requirements .............................................................................................................................. 63
8.3 Regular inspections................................................................................................................................................... 64
8.3.1 Required tests and inspections ................................................................................................................................. 64
8.3.2 Special operating conditions ..................................................................................................................................... 64
8.3.3 Service life of the contactor ....................................................................................................................................... 64
8.3.4 S.W.P. measures for achieving safe working periods ............................................................................................... 65
8.3.4.1 General...................................................................................................................................................................... 65
8.3.4.2 Calculating the actual duration of service S .............................................................................................................. 66
8.3.4.3 Example: DC-Com 10-1000 1/1 H5 V4/1 in 1Am ...................................................................................................... 66
8.3.5 GO general overhaul ................................................................................................................................................. 68
8.4 Maintenance schedule .............................................................................................................................................. 68
8.5 Maintenance work ..................................................................................................................................................... 70
8.5.1 Suspension................................................................................................................................................................ 70
8.5.2 Electric equipment cover ........................................................................................................................................... 70
8.5.3 Removing the chain collector box ............................................................................................................................. 71
8.5.4 Operating limit switches (standard for DC-Com 10 with 2/1 reeving)........................................................................ 71
8.5.4.1 Checking operating limit switches ............................................................................................................................. 71
8.5.4.2 Checking the operating limit switch actuator ............................................................................................................. 72
8.5.5 Chain drive ................................................................................................................................................................ 73
8.5.5.1 Checking the sprocket wheel .................................................................................................................................... 73
8.5.5.2 Checking the chain guide .......................................................................................................................................... 73
8.5.5.3 Checking the guide plate/chain entry plate ............................................................................................................... 74
8.5.5.4 Checking the hoist chain ........................................................................................................................................... 74
8.5.5.5 Chain set scope of supply ......................................................................................................................................... 76
8.5.5.6 Available hoist chains................................................................................................................................................ 77
8.5.5.7 Replacing the chain set ............................................................................................................................................. 78
8.5.5.8 Lubricating the hoist chain......................................................................................................................................... 82
Load hook.................................................................................................................................................................. 83
8.5.6
8.5.6.1 Checking the load hook ............................................................................................................................................. 83
8.5.6.2 Hook safety catch ...................................................................................................................................................... 83
8.5.6.3 Checking the return sprocket .................................................................................................................................... 83
8.5.6.4 Replacing the hook with fittings for 1/1 reeving......................................................................................................... 84
8.5.6.5 Replacing the bottom block (standard) with internal cut-off springs for 2/1 reeving.................................................. 85
8.5.6.6 Replacing the bottom block (option) with external cut-off springs for 2/1 reeving ..................................................... 86
8.5.7 Buffer (only with optional operating limit switches DC-Com 1-10 with 1/1 reeving) .................................................. 86
8.5.7.1 Checking the cut-off buffers/cut-off springs............................................................................................................... 86
8.5.7.2 Buffer arrangement ................................................................................................................................................... 87
8.5.8 Brake ......................................................................................................................................................................... 88
8.5.8.1 Brake assignment...................................................................................................................................................... 88
8.5.8.2 Check brake wear ..................................................................................................................................................... 88
8.5.9 Slipping clutch ........................................................................................................................................................... 90
8.5.9.1 Checking the slipping clutch ...................................................................................................................................... 90
8.5.9.2 Adjusting the slipping clutch ...................................................................................................................................... 90
8.5.10 Gearbox/oil change ................................................................................................................................................... 91
8.5.11 Replacing the contactor on the control board............................................................................................................ 92
8.5.12 Replacing the control cable ....................................................................................................................................... 94
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