Siemens SIMOTICS SD Operating Instructions Manual page 7

8 Operation .............................................................................................................................................. 73
8.1 Safety instructions ........................................................................................................................ 73
8.1.1 Safety instructions during operation............................................................................................. 73
8.1.2 Safety information for explosion-protected machines in operation .............................................. 75
8.1.3 Safety instructions for cleaning .................................................................................................... 76
8.1.4 Machines with textile fan covers .................................................................................................. 76
8.2 Stoppages .................................................................................................................................... 76
8.3 Fault tables ................................................................................................................................... 78
8.4 Deactivating ................................................................................................................................. 80
8.5 Class ............................................................................................................................................ 80
8.5.1 Zone 1 with type of protection Ex de IIC Gb (flameproof enclosure "d" for the machine
and increased safety "e" for the terminal box) ............................................................................. 80
8.5.2 Zone 1 with Ex e IIC Gb type of protection (increased safety "e") ............................................... 81
8.5.3 Zone 1 with Ex e IIB Gb type of protection (increased safety "e") ............................................... 82
8.5.4 Zone 2 with type of protection Ex nA IIC Gc, non sparking ......................................................... 83
8.5.5 Zone 2 with type of protection Ex nA IIB Gc, non sparking ......................................................... 84
8.5.6 Zone 21 ........................................................................................................................................ 85
8.5.7 Zone 22 ........................................................................................................................................ 86
9 Maintenance ......................................................................................................................................... 87
9.1 Preparation and notes .................................................................................................................. 87
9.1.1 North American market ................................................................................................................ 88
9.1.2 Customs union Eurasia ................................................................................................................ 88
9.1.3 Touch up any damaged paintwork ............................................................................................... 90
9.1.4 Repainting .................................................................................................................................... 90
9.2 Inspection ..................................................................................................................................... 91
9.2.1 General inspection specifications ................................................................................................ 91
9.2.2 Optional built-on accessories ....................................................................................................... 91
9.2.3 Initial inspection............................................................................................................................ 91
9.2.4 Main inspection ............................................................................................................................ 92
9.3 Maintenance ................................................................................................................................. 93
9.3.1 Maintenance intervals .................................................................................................................. 93
9.3.2 Regreasing (optional) ................................................................................................................... 94
9.3.3 Cleaning ....................................................................................................................................... 94
9.3.4 Drain condensate ......................................................................................................................... 95
9.4 Corrective maintenance ............................................................................................................... 96
9.4.1 Instructions for repair ................................................................................................................... 96
9.4.2 Storage ......................................................................................................................................... 96
9.4.2.1 Changing bearings ....................................................................................................................... 97
9.4.2.2 Replacing bearings in explosion-proof machines ........................................................................ 98
9.4.3 Dismantling .................................................................................................................................. 98
9.4.3.1 Bearing bushes ............................................................................................................................ 99
9.4.3.2 Links ............................................................................................................................................. 99
9.4.4 Assembly ...................................................................................................................................... 99
9.4.4.1 Assemly ........................................................................................................................................ 99
9.4.4.2 Fitting the bearing cartridges ....................................................................................................... 99
9.4.4.3 Fitting bearings........................................................................................................................... 100
9.4.4.4 Mounting fans............................................................................................................................. 100
Low-voltage motors
Operating Instructions, 05/2014, 5 610 00000 02 000
Table of contents
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