Siemens SIMOTICS SD SH 71 315 Series Operating Instructions Manual page 8

Table of contents
8.5.1 Avoidance of damage to rolling bearings during stoppages ................................................ 85
8.5.2 Decommissioning the motor .............................................................................................. 85
8.5.3 Re-commissioning the motor ............................................................................................. 85
8.6 Faults ................................................................................................................................ 86
8.6.1 Inspections in the event of faults........................................................................................ 86
8.6.2 Electrical faults .................................................................................................................. 86
8.6.3 Mechanical faults ............................................................................................................... 87
8.6.4 Rolling bearing faults ......................................................................................................... 87
8.6.5 Faults on the separately driven fan ..................................................................................... 88
9 Maintenance ........................................................................................................................................ 89
9.1 Preparation and notes ........................................................................................................ 89
9.2 Inspection and maintenance .............................................................................................. 90
9.2.1 Safety instructions for inspection and maintenance ............................................................ 90
9.2.2 Inspections in the event of faults ........................................................................................ 91
9.2.3 First inspection after installation or repair ........................................................................... 91
9.2.4 General inspection ............................................................................................................. 92
9.2.5 Assessing the rolling bearings ............................................................................................ 92
9.2.6 Maintenance intervals ........................................................................................................ 93
9.2.7 Re-greasing ....................................................................................................................... 94
9.2.8 Cleaning ............................................................................................................................ 95
9.2.9 Cleaning the fan cover of motors for the textile industry..................................................... 95
9.2.10 Drain condensate ............................................................................................................... 96
9.2.11 Insulation resistance and polarization index ....................................................................... 96
9.2.12 Servicing the separately driven fan ..................................................................................... 97
9.3 Corrective maintenance ..................................................................................................... 98
9.3.1 Rolling bearings ................................................................................................................. 98
9.3.1.1 Bearing bushes ................................................................................................................ 100
9.3.1.2 Installing bearings ........................................................................................................... 100
9.3.2 Mounting dimension "x" ................................................................................................... 102
9.3.3 Fan .................................................................................................................................. 102
9.3.4 Canopy, encoder under the canopy .................................................................................. 103
9.3.5 Tightening torques .......................................................................................................... 104
9.3.6 Screw lock washers .......................................................................................................... 104
9.3.7 Links ................................................................................................................................ 104
9.3.8 Reassembly: Miscellaneous information ........................................................................... 104
9.3.9 Optional add-on units ...................................................................................................... 105
9.3.10 O-ring seal ....................................................................................................................... 105
9.3.11 Encoder ........................................................................................................................... 106
9.3.12 Grounding brush ............................................................................................................. 106
10 Spare parts ......................................................................................................................................... 107
10.1 Part lists ........................................................................................................................... 107
10.2 Exploded drawings .......................................................................................................... 108
11 Disposal ............................................................................................................................................. 113
11.1 RoHS - restricting the use of certain hazardous substances ............................................... 113
11.2 Information according to Article 33 of the REACH regulation ............................................ 114
11.3 Preparing for disassembly ................................................................................................ 114
11.4 Dismantling the motor ..................................................................................................... 114
11.5 Disposal of components ................................................................................................... 115
6
1LE7 shaft heights 71 ... 315
Operating Instructions, 04/2022, A5E51689275A-AA