Siemens SIMOTICS DC 1GH5 Operating And Installation Instructions page 7

8 Operation....................................................................................................................................................65
8.1 Switching on the machine......................................................................................................66
8.2 Regreasing roller bearings.....................................................................................................67
8.3 Deactivating...........................................................................................................................67
8.4 Switching on again after an emergency switching-off............................................................67
8.5 Stoppages..............................................................................................................................67
8.5.1 Measures in non-operational periods.....................................................................................68
8.5.2 Avoidance of damage to roller bearings during stoppages....................................................69
8.5.3 Measurement of the insulation resistance after an extended stoppage.................................69
8.6 Decommissioning the machine..............................................................................................70
8.7 Re-commissioning the machine.............................................................................................70
8.8 Special operating conditions..................................................................................................70
8.9 Faults ....................................................................................................................................71
8.9.1 Inspections in the event of faults............................................................................................71
8.9.2 Faults in operation..................................................................................................................72
8.9.3 Roller bearing faults...............................................................................................................73
8.9.4 Brush faults............................................................................................................................74
8.9.5 Commutator faults..................................................................................................................75
9 Maintenance...............................................................................................................................................77
9.1 Inspection and maintenance..................................................................................................77
9.1.1 Initial inspection......................................................................................................................78
9.1.2 MTTR.....................................................................................................................................80
9.1.3 Main inspection......................................................................................................................80
9.1.4 Regreasing rolling-contact bearings.......................................................................................81
9.1.5 Regreasing intervals and grease types..................................................................................82
9.1.6 Clean the machine.................................................................................................................83
9.1.7 Checking the carbon brushes................................................................................................83
9.1.8 Replacing the carbon brushes...............................................................................................84
9.1.9 Setting the brush rocker and brush holder.............................................................................85
9.1.10 Maintaining the commutator...................................................................................................85
9.1.11 Maintaining terminal boxes....................................................................................................87
9.1.12 Touch up any damaged paintwork.........................................................................................88
9.2 Repair.....................................................................................................................................88
9.2.1 Prepare servicing work...........................................................................................................89
9.2.2 Disassembling the machine...................................................................................................90
9.2.3 Removing rolling-contact bearings.........................................................................................91
9.2.4 Installing the machine............................................................................................................91
9.2.5 Mounting the rolling-contact bearings....................................................................................92
9.2.6 Replacing the speed encoder................................................................................................93
9.2.6.1 Speed sensor with conical hub..............................................................................................93
9.2.6.2 Speed sensor for overhung mounting....................................................................................94
9.2.6.3 Speed sensor for construction type IM B5.............................................................................96
10 Spare Parts.................................................................................................................................................99
10.1 Ordering data.........................................................................................................................99
SIMOTICS DC 1GH5
Operating Instructions 02/2016
Table of contents
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