Siemens SIMOTICS XP 1MB5 SH400, Operating Instructions Manual, Page: 128 / 166

9.3.6.2 Remove V ring
Depending on the particular version, there is a V ring. The V ring must be replaced if unusual
amounts of grease escape the rolling bearing or the V ring is visibly damaged.
Figure 9-3 Remove the V ring
1. Mark the components so that they can be correctly assembled.
2. Remove the V ring
①
with the bearing cap – or by using a suitable tool from the shaft.
Removing the protective ring for IP56 degree of protection
The V ring for the outer bearing seal is fitted with a protective ring
②
for degree of protection
IP56. The protective ring does not have to be removed for disassembling the bearing bush.
● Remove the protective ring together with the V ring and the outer bearing cover or end shield
from the shaft.
See also
Install the V ring (Page 128)
9.3.6.3 Removing the labyrinth sealing ring
Note
For the "Increased degree of protection" option, the machine is equipped with a labyrinth
sealing ring on the drive end and the non-drive end.
Before uninstalling the rolling bearing, the labyrinth sealing ring must be removed.
The labyrinth sealing ring
③
is fixed with three grub screws that are separably secured with
adhesive such as Loctite 243.
Maintenance
9.3 Corrective maintenance
1MB5 SH 400/450
126
Operating Instructions, 05/2019, A5E45959221A