7.1.3 Insulation resistance and polarization index ....................................................................... 79
7.1.4 Checking the machine cooling ........................................................................................... 79
7.1.5 Commissioning the separately driven fan ........................................................................... 80
7.1.6 Further documents ............................................................................................................ 81
7.1.7 Setpoint values for monitoring the bearing temperature..................................................... 81
7.2 Switching on ..................................................................................................................... 82
7.2.1 Test run ............................................................................................................................. 83
8 Operation............................................................................................................................................. 85
8.1 Safety instructions for operation ........................................................................................ 85
8.1.1 Safety instructions in operation - uncovered, rotating parts................................................. 85
8.1.2 Safety instructions in operation - parts that are not covered, and that are under voltage
(live parts) ......................................................................................................................... 86
8.1.3 Safety instructions relating to ventilation and cooling......................................................... 88
8.1.3.1 Safety instruction for forced ventilation (option)................................................................. 88
8.1.3.2 Safety instructions when operating machines with fan ....................................................... 88
8.1.3.3 Machines with fan for the textile industry........................................................................... 88
8.2 Switching on the machine.................................................................................................. 89
8.3 Deactivating ...................................................................................................................... 89
8.4 Switching on again after an EMERGENCY OFF..................................................................... 89
8.5 Stoppages.......................................................................................................................... 89
8.5.1 Avoidance of damage to rolling bearings during stoppages................................................. 91
8.5.2 Decommissioning the machine .......................................................................................... 91
8.5.3 Re-commissioning the machine.......................................................................................... 91
8.6 faults................................................................................................................................. 91
8.6.1 Inspections in the event of faults........................................................................................ 91
8.6.2 Electrical faults .................................................................................................................. 92
8.6.3 Mechanical faults............................................................................................................... 93
8.6.4 Rolling bearing faults ......................................................................................................... 93
8.6.5 Faults at the external fan.................................................................................................... 94
9 Maintenance........................................................................................................................................ 95
9.1 General ............................................................................................................................. 95
9.2 Preparation and notes........................................................................................................ 95
9.3 Inspection and maintenance .............................................................................................. 96
9.3.1 Safety instructions for inspection and maintenance ............................................................ 96
9.3.2 Inspections in the event of faults........................................................................................ 97
9.3.3 First inspection after installation or repair........................................................................... 98
9.3.4 General inspection............................................................................................................. 99
9.3.5 Assessing the rolling bearings ............................................................................................ 99
9.3.6 Maintenance intervals...................................................................................................... 100
9.3.7 Re-greasing...................................................................................................................... 101
9.3.8 Cleaning.......................................................................................................................... 101
9.3.9 Cleaning the fan cover of machines for the textile industry ............................................... 102
9.3.10 Drain condensate............................................................................................................. 102
9.3.11 Insulation resistance and polarization index ..................................................................... 103
9.3.12 Servicing the separately driven fan................................................................................... 103
9.4 Corrective maintenance ................................................................................................... 104
Table of contents
1LE1, 1FP1/3, 1PC1/3 shaft height 63 ... 315
6 Operating Instructions, 11/2023, A5E38483075A