Siemens SIMOTICS XP 1MB1 series - Replacing Bearings in Explosion-Proof Machines; Bearing Bushes

Maintenance
9.3 Corrective maintenance
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
128 Operating Instructions, 06/2018, 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
Bearing bushes
Protect the bearings against the ingress of dirt and moisture.