Siemens SIMOTICS M-1PH8 Operating Instructions & Installation Instructions page 7

7.4 Trial run.......................................................................................................................................76
8 Operation....................................................................................................................................................77
8.1 Safety notes during operation......................................................................................................77
8.2 Machine overheating caused by dust..........................................................................................78
8.3 Operation.....................................................................................................................................79
8.4 Switching-off force-ventilated motors..........................................................................................80
8.5 Switching on again after an emergency switching-off.................................................................80
8.6 Stoppages...................................................................................................................................80
8.6.1 Avoidance of damage to roller bearings during stoppages.........................................................81
8.6.2 Measurement of the insulation resistance after an extended stoppage......................................81
8.7 Decommissioning the machine....................................................................................................81
8.8 Re-commissioning the machine..................................................................................................82
8.9 Faults...........................................................................................................................................82
8.9.1 Inspections in the event of faults.................................................................................................82
8.9.2 Electrical faults at force-ventilated motors...................................................................................82
8.9.3 Mechanical faults.........................................................................................................................83
8.9.4 Rolling-contact bearing faults......................................................................................................84
9 Maintenance...............................................................................................................................................85
9.1 Qualified personnel......................................................................................................................85
9.2 Observe the operating instructions of the components...............................................................85
9.3 Inspection and maintenance........................................................................................................86
9.3.1 Inspections in the event of faults.................................................................................................88
9.3.2 Initial inspection...........................................................................................................................88
9.3.3 General inspection.......................................................................................................................89
9.3.4 Rolling-contact bearing inspection...............................................................................................89
9.3.5 Changing bearings when using permanently lubricated rolling-contact bearings.......................90
9.3.6 Maintenance................................................................................................................................90
9.3.6.1 Measuring the insulation resistance during the course of maintenance work.............................92
9.3.6.2 Maintenance intervals..................................................................................................................92
9.3.6.3 Rolling-contact bearings..............................................................................................................92
9.3.6.4 Lubrication...................................................................................................................................93
9.3.6.5 Cleaning the spent grease chamber............................................................................................97
9.3.6.6 Cleaning the cooling air passages...............................................................................................99
9.3.6.7 Maintaining terminal boxes........................................................................................................101
9.4 Repair........................................................................................................................................102
9.4.1 Prepare servicing work..............................................................................................................102
9.4.2 Explosion hazard during installation and disassembling of the external fan.............................103
9.4.3 Disassembling the machine.......................................................................................................104
9.4.4 Removing and installing the protecting ring...............................................................................105
9.4.5 Removing and mounting the bearing shields............................................................................106
9.4.6 Installing the machine................................................................................................................106
9.4.7 Removing the external fan.........................................................................................................107
9.4.8 Removing and mounting the speed encoder.............................................................................107
9.4.9 Touch up any damaged paintwork............................................................................................108
SIMOTICS M-1PH8
Operating Instructions 05/2012 A5E03986435A AA
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