Siemens SIMOTICS 1LE8 Operating Instructions Manual page 136

Table of contents
8.1.1 Safety instructions in operation - anti-condensation heating ............................................... 212
8.1.2 Safety instructions relating to ventilation ........................................................................... 212
8.1.2.1 Safety instructions for forced ventilation (option) ............................................................... 212
8.1.2.2 Safety instructions when operating motors with fan ........................................................... 212
8.1.2.3 Motors with fan for the textile industry .............................................................................. 213
8.2 Switching on the motor ..................................................................................................... 213
8.3 Deactivating ...................................................................................................................... 213
8.4 Switching off the separately driven fan .............................................................................. 213
8.5 Switching on again after an emergency switching-off ........................................................ 214
8.6 Stoppages ......................................................................................................................... 214
8.6.1 Avoidance of damage to rolling bearings during stoppages ................................................ 215
8.6.2 Decommissioning the motor .............................................................................................. 215
8.6.3 Re-commissioning the motor ............................................................................................. 215
8.7 Faults ................................................................................................................................ 216
8.7.1 Inspections in the event of faults........................................................................................ 216
8.7.2 Electrical faults .................................................................................................................. 216
8.7.3 Mechanical faults ............................................................................................................... 217
8.7.4 Rolling bearing faults ......................................................................................................... 218
8.7.5 Faults on the separately driven fan ..................................................................................... 218
9 Maintenance ........................................................................................................................................ 219
9.1 Preparation and notes ........................................................................................................ 219
9.1.1 North American market (optional) ..................................................................................... 219
9.1.2 Customs union Eurasia (optional) ....................................................................................... 220
9.1.3 Touch up any damaged paintwork ..................................................................................... 220
9.2 Inspection and maintenance .............................................................................................. 220
9.2.1 Safety instructions for inspection and maintenance ............................................................ 220
9.2.2 Inspections in the event of faults........................................................................................ 222
9.2.3 First inspection after installation or repair........................................................................... 222
9.2.4 General inspection ............................................................................................................. 223
9.2.5 Assessing the rolling bearings ............................................................................................ 223
9.2.6 Maintenance intervals........................................................................................................ 224
9.2.7 Re-greasing ....................................................................................................................... 225
9.2.8 Cleaning ............................................................................................................................ 225
9.2.9 Cleaning the fan cover of motors for the textile industry .................................................... 226
9.2.10 Drain condensate ............................................................................................................... 226
9.2.11 Insulation resistance and polarization index ....................................................................... 227
9.2.12 Servicing the separately driven fan ..................................................................................... 227
9.3 Corrective maintenance ................................................................................................... 228
9.3.1 Rolling bearings ............................................................................................................... 229
9.3.1.1 Bearing bushes ................................................................................................................ 230
9.3.1.2 Fitting the bearing cartridges ........................................................................................... 230
9.3.1.3 Installing bearings ........................................................................................................... 231
9.3.2 Mounting dimension "x" ................................................................................................... 232
9.3.3 Fan .................................................................................................................................. 233
9.3.3.1 Metal fan disassembly ...................................................................................................... 233
9.3.3.2 Mounting fans ................................................................................................................. 233
9.3.4 Canopy, rotary encoder under the canopy ........................................................................ 233
134 1LE8 轴高 80 ... 355
操作说明, 11/2022, A5E52373573A