Siemens SIMOTICS XP 1MB5 Operating Instructions Manual page 9

9.2 Safety instructions for maintenance ................................................................................. 109
9.3 Inspection and maintenance ............................................................................................ 110
9.3.1 Safety instructions for inspection and maintenance .......................................................... 110
9.3.2 General inspection specifications...................................................................................... 112
9.3.3 First inspection after installation or repair......................................................................... 112
9.3.4 Main inspection ............................................................................................................... 113
9.3.5 Maintenance intervals...................................................................................................... 114
9.3.6 Servicing and maintaining the anti-condensation heating................................................. 114
9.3.7 Servicing the separately driven fan................................................................................... 115
9.3.8 Assessing the rolling bearings .......................................................................................... 116
9.3.9 Regreasing intervals and types of grease for operating rolling bearings ............................. 116
9.3.10 Capacity of the spent grease chamber .............................................................................. 120
9.3.11 Sealing the rolling bearings ("Increased degree of protection" option) ............................... 120
9.3.12 Keeping the cooling air flow clean.................................................................................... 121
9.3.13 Cleaning .......................................................................................................................... 121
9.3.14 Drain condensate............................................................................................................. 121
9.3.15 Touch up any damaged paintwork.................................................................................... 122
9.3.16 Repainting ....................................................................................................................... 123
9.3.17 Maintaining terminal boxes.............................................................................................. 123
9.4 Corrective maintenance ................................................................................................... 124
9.4.1 Explosion hazard due to increased surface temperature.................................................... 124
9.4.2 Anti-condensation heating............................................................................................... 125
9.4.3 Fundamentals.................................................................................................................. 125
9.4.3.1 Screws with preCOTE coating ........................................................................................... 125
9.4.3.2 Screw lock washers .......................................................................................................... 125
9.4.4 Fan cover......................................................................................................................... 126
9.4.5 External metal fan............................................................................................................ 126
9.4.6 External plastic fan........................................................................................................... 127
9.4.7 Separately driven fan cowl ............................................................................................... 128
9.4.8 Rolling bearing ................................................................................................................ 129
9.4.8.1 Removing the rolling bearing ........................................................................................... 130
9.4.8.2 Remove the V ring ........................................................................................................... 131
9.4.8.3 Removing the labyrinth sealing ring ................................................................................. 131
9.4.8.4 Installing rolling bearings ................................................................................................. 132
9.4.8.5 Install the V ring .............................................................................................................. 133
9.4.8.6 Installing the V ring ("Increased degree of protection" option) ........................................... 133
9.4.8.7 Installing the labyrinth sealing ring................................................................................... 134
9.4.9 Links................................................................................................................................ 135
9.4.10 Canopy; mounting a rotary pulse encoder under the canopy............................................. 135
9.4.11 Tightening torques, terminal board and grounding ........................................................... 135
9.4.12 Seal the motor ................................................................................................................. 136
9.4.13 Sealing the motor (supplementary EX) ............................................................................. 136
10 Spare parts......................................................................................................................................... 137
10.1 Parts order....................................................................................................................... 137
10.2 Ordering data .................................................................................................................. 137
10.3 Purchasing commercially available spare parts.................................................................. 138
10.4 Determining the spare parts via the Internet..................................................................... 138
10.5 Replacing rolling bearings ................................................................................................ 138
1MB5 shaft height 400/450
Operating Instructions, 04/2023, A5E52802354A
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