Siemens SIMOTICS XP 1MB 1 Series

9.2.13 Maintaining the external fan (forced ventilation).............................................................. 125
9.2.14 Repainting ....................................................................................................................... 126
9.2.14.1 Repainting ....................................................................................................................... 126
9.3 Corrective maintenance ................................................................................................... 127
9.3.1 Machines with a certi󹪝cate extended with an "X" .............................................................. 127
9.3.2 Anti-condensation heating............................................................................................... 128
9.3.3 Fundamentals.................................................................................................................. 129
9.3.4 Rolling bearings ............................................................................................................... 129
9.3.4.1 Replacing bearings in explosion-proof machines............................................................... 131
9.3.4.2 Fitting bearings................................................................................................................ 131
9.3.4.3 Explosion hazard due to overheating of the rolling bearings ............................................. 133
9.3.5 Shaft sealing, mounting dimensions and alignment ......................................................... 133
9.3.6 Fan .................................................................................................................................. 134
9.3.6.1 Mounting fans ................................................................................................................. 134
9.3.7 Cable entries, sealing plugs and thread adapters............................................................... 135
9.3.8 Tightening torques........................................................................................................... 135
9.3.9 Screw lock washers.......................................................................................................... 135
9.3.10 Links................................................................................................................................ 135
9.3.11 Reassembly: Miscellaneous information ........................................................................... 135
9.3.12 Optional add-on units ...................................................................................................... 136
9.3.13 O-ring seal....................................................................................................................... 136
10 Spare parts......................................................................................................................................... 137
10.1 Parts order....................................................................................................................... 137
10.2 Purchasing commercially available spare parts.................................................................. 138
10.3 Determining the spare parts via the Internet..................................................................... 138
10.4 Replacing rolling bearings ................................................................................................ 138
10.5 Rolling bearings .............................................................................................................. 138
10.6 Anti-condensation heating............................................................................................... 139
10.7 Groups of parts................................................................................................................ 139
10.8 Ordering example ............................................................................................................ 140
10.9 Machine parts.................................................................................................................. 141
10.9.1 Part lists........................................................................................................................... 141
10.10 Standardized parts ........................................................................................................... 143
10.11 Exploded drawings .......................................................................................................... 144
10.11.1 1MB1 shaft heights 63 ... 71 aluminum............................................................................ 144
10.11.2 1MB1 shaft heights 71 ... 90 cast iron .............................................................................. 146
10.11.3 1MB1 shaft heights 80 ... 160 aluminum.......................................................................... 147
10.11.4 1MB1 shaft heights 100 ... 200 cast iron .......................................................................... 148
10.11.5 1MB1 shaft heights 180 ... 200 aluminum........................................................................ 149
10.11.6 1MB1 shaft heights 225 ... 315 cast iron .......................................................................... 150
10.11.7 1MB5 shaft height. 315 cast iron...................................................................................... 151
10.11.8 1MB5 shaft height. 355 cast iron...................................................................................... 152
10.11.9 Terminal box 1MB1 shaft heights 63 ... 71 aluminum ....................................................... 153
10.11.10 Terminal box 1MB1 shaft heights 71 ... 200 cast iron........................................................ 154
10.11.11 Terminal box 1MB1 shaft heights 80 ... 160 aluminum ..................................................... 155
10.11.12 Terminal box 1MB1 shaft heights 200 ... 225 cast iron...................................................... 156
Table of contents
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 11/2023, A5E52779900A 7