Maintenance
9.3 Corrective maintenance
1MB..1/2/3/4 - shaft heights 63 ... 355
124 Operating Instructions, 06/2020, A5E44455710A
① Heat up 80 ... 100 °C
9.3.4.1 Replacing bearings in explosion-proof machines
● When changing the bearings, renew the sealing rings and only use original Siemens
spare parts.
● For radial sealing rings with dust protection lip (DIN 3760-AS), completely fill the spaces
(100%) in the sealing ring as well as in the bearing shield hub with a suitable grease.
9.3.4.2 Fitting bearings
Note
Bearing seals for explosion-protected machines
For explosion
-protected machines, only use the original replacement and repair parts.
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