Fitting Bearings - Siemens SIMOTICS XP 1MB1 series Operating Instructions Manual

9.3.4.3

Fitting bearings

Sealing the bearings
Note the following details:
● Shaft sealing rings are used to seal machines at the rotor shaft.
– For V rings, comply with the assembly dimension.
● Use the specified bearings.
● Ensure that the bearing sealing disks are in the correct position.
● Insert the elements for bearing preloading at the correct end.
● Fixed bearings can have a locking ring or bearing cover.
● Seal the bearing cap screws with the appropriate gaskets or with grease.
● Do not interchange the position of the bearing covers (DE and NDE or inner and outer).
Rotor can fall out
If the motor is in a vertical position, the rotor can fall out while work is being performed on
the locating bearing. This can result in death, serious injury or damage.
• Support or unload the rotor when carrying out work with the machine in a vertical
Bearing seals for explosion-protected machines
Note
Bearing seals for explosion-protected machines
For explosion-protected machines, only use the original replacement and repair parts.
Fitting the bearing cartridges
When fitting the bearing cartridges, observe the specified screw tightening torques
(Page 133).
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
Operating Instructions, 06/2018, A5E44455710A
WARNING
position.
Maintenance
9.3 Corrective maintenance
129