7.3 Greasing the roller bearings prior to commissioning..............................................................61
7.4 Test run..................................................................................................................................62
7.5 Overvoltages when switching high-voltage motors................................................................63
8 Operation....................................................................................................................................................65
8.1 Safety instructions for operation.............................................................................................65
8.2 Switching on the machine......................................................................................................67
8.3 Regreasing roller bearings.....................................................................................................67
8.4 Switching off the water-cooling system..................................................................................67
8.5 Switching on again after an emergency switching-off............................................................67
8.6 Stoppages..............................................................................................................................67
8.6.1 Draining the cooling water......................................................................................................68
8.6.2 Avoidance of damage to roller bearings during stoppages....................................................68
8.6.3 Measuring the insulation resistance after an extended stoppage..........................................69
8.7 Decommissioning the machine..............................................................................................69
8.8 Re-commissioning the machine.............................................................................................69
8.9 Faults.....................................................................................................................................70
8.9.1 Inspections in the event of faults............................................................................................70
8.9.2 Electrical faults.......................................................................................................................70
8.9.3 Mechanical faults...................................................................................................................71
8.9.4 Roller bearing faults...............................................................................................................72
8.9.5 Cooling system faults.............................................................................................................72
9 Maintenance...............................................................................................................................................75
9.1 Safety instructions for maintenance.......................................................................................75
9.2 Inspection and maintenance..................................................................................................75
9.2.1 Safety instructions..................................................................................................................75
9.2.2 Inspections in the event of faults............................................................................................76
9.2.3 First service after installation or repair...................................................................................77
9.2.4 General inspection.................................................................................................................78
9.2.5 Servicing the water-jacket cooling..........................................................................................78
9.2.6 Assessing the rolling bearings...............................................................................................78
9.2.7 Regreasing intervals and types of grease for operating roller bearings.................................79
9.2.8 Removing spent grease.........................................................................................................82
9.2.9 Maintaining terminal boxes....................................................................................................83
9.2.10 Measuring the insulation resistance during the course of maintenance work........................84
9.2.11 Touch up any damaged paintwork.........................................................................................84
9.3 Corrective Maintenance.........................................................................................................84
9.3.1 Safety instructions for repair work..........................................................................................84
9.3.2 Prepare servicing work...........................................................................................................85
9.3.3 Internal fan.............................................................................................................................85
9.3.4 Bearings.................................................................................................................................86
9.3.4.1 Removing roller bearings.......................................................................................................86
9.3.4.2 Remove V ring for roller bearing seal.....................................................................................87
9.3.4.3 Fitting V ring for roller bearing seal........................................................................................87
9.3.4.4 Installing felt rings for the inner bearing seal..........................................................................88
Table of contents
SIMOTICS HV C 1NA14544WA600AG0-Z
Operating Instructions 06/2018 7
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