Siemens SIMOTICS XP 1MB5 SH400, Operating Instructions Manual, Page: 131 / 166

Install the V ring
1. Grease the axial sealing surface. The shaft seating remains ungreased.
①
V ring
②
Mounting aid washer
③
Protective ring
Figure 9-5 Install the V ring
2. Push the V ring
①
onto the shaft using an assembly disk
②
.
The V ring is in the correct axial position when the face surface is flush with the outer edge
of the V ring.
Install the protective ring for IP56 degree of protection
For degree of protection IP56, the V ring for the outer bearing seal is fitted with a sheet steel
protective ring
③
in the bearing cover.
1. Push the protective ring onto the shaft.
2. Verify that the ring is sufficiently pretensioned. Replace the protective ring, if necessary.
3. Position the protective ring so that one of the longitudinal grooves meets the corresponding
water separation groove at the bottom in the bearing cover flange or end shield.
9.3.6.6 Installing the V ring ("Increased degree of protection" option)
The grease chamber of the labyrinth sealing ring together with the V ring ensures compliance
with degree of protection IP65.
Maintenance
9.3 Corrective maintenance
1MB5 SH 400/450
Operating Instructions, 05/2019, A5E45959221A
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