Siemens SIMOTICS TN Series Operating & Installation Instructions Manual page 8

Table of contents
8.9 faults.......................................................................................................................................94
8.9.1 Inspections in the event of faults............................................................................................94
8.9.2 Electrical faults.......................................................................................................................95
8.9.3 Mechanical faults...................................................................................................................96
8.9.4 Roller bearing faults...............................................................................................................97
9 Maintenance...............................................................................................................................................99
9.1 Inspection and maintenance..................................................................................................99
9.1.1 Safety instructions for inspection and maintenance...............................................................99
9.1.2 Measurement of the insulation resistance and polarization index in the context of
maintenance work................................................................................................................101
9.1.3 Inspections in the event of faults..........................................................................................101
9.1.4 First inspection after installation or repair............................................................................101
9.1.5 General inspection...............................................................................................................102
9.1.6 Servicing the roller bearings.................................................................................................103
9.1.7 Servicing and maintaining the anti-condensation heating....................................................103
9.1.8 Regreasing intervals and types of grease for operating roller bearings...............................103
9.1.9 Sealing the rolling-contact bearings ("Increased degree of protection" option)...................107
9.1.10 Keeping the cooling air flow clean........................................................................................107
9.1.11 Touch up any damaged paintwork.......................................................................................107
9.1.12 Maintaining terminal boxes..................................................................................................107
9.2 Corrective Maintenance.......................................................................................................108
9.2.1 Prepare servicing work.........................................................................................................108
9.2.2 Seal the motor......................................................................................................................109
9.2.3 Screws with preCOTE coating.............................................................................................109
9.2.4 Fan cowl...............................................................................................................................110
9.2.5 External fan made of metal..................................................................................................110
9.2.6 External fan made of plastic.................................................................................................111
9.2.7 Internal fan...........................................................................................................................112
9.2.8 Roller-contact bearings........................................................................................................112
9.2.8.1 Uninstalling roller-contact bearings......................................................................................112
9.2.8.2 Remove V ring.....................................................................................................................113
9.2.8.3 Removing the labyrinth sealing ring.....................................................................................113
9.2.8.4 Assembling the rolling-contact bearings..............................................................................114
9.2.8.5 Install the V ring...................................................................................................................115
9.2.8.6 Installing the V ring ("Increased degree of protection" option).............................................116
9.2.8.7 Installing the labyrinth sealing ring.......................................................................................117
10 Spare parts...............................................................................................................................................119
10.1 Ordering data.......................................................................................................................119
10.2 Using commercially available spare parts............................................................................119
10.3 Ordering spare parts via the Internet...................................................................................119
10.4 Anti-condensation heating....................................................................................................120
10.5 Stator and rotor....................................................................................................................121
10.6 Ventilation............................................................................................................................122
10.7 Drive end rolling-contact bearings with bearing housing......................................................123
10.8 Drive end rolling-contact bearings without bearing housing.................................................124
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SIMOTICS TN Series N-compact 1LL8
Operating Instructions 11/2018