Explosion Hazard Due To Overheating Of The Rolling Bearings; Shaft Sealing, Mounting Dimensions And Alignment - Siemens SIMOTICS XP Eagle Line 1MB1.33 Operating Instructions Manual

9.3.4.3

Explosion hazard due to overheating of the rolling bearings

Explosion hazard due to overheating of the rolling bearings
If the rolling bearings are not regularly regreased, local overheating may be possible, and, as
a consequence, an explosion in an explosive atmosphere. This can result in death, serious
injury or material damage.
• Regrease the rolling bearings regularly according to the lubrication plate.
• Implement bearing temperature monitoring if not yet in existence.
9.3.5

Shaft sealing, mounting dimensions and alignment

Mounting dimension "x" of V rings
• Extreme caution and attention to the correct positioning are vital during installation and
assembly.
• Make sure the sealing surface is free of dirt and damage.
• Lightly grease the sealing lips.
1MB1.33 Eagle Line shaft heights 71 ... 315
Operating Instructions, 08/2023, A5E52990459A
WARNING
Shaft height
63 ... 71
80 ... 112
132 ... 160
180 ... 225
250 ... 315
9.3 Corrective maintenance
x
mm
4.5 ±0.6
6 ±0.8
7 ±1
11 ±1
13.5 ±1.2
Maintenance
Standard design
Special design
141