Installing The V Ring ("Increased Degree Of Protection" Option) - Siemens 1LA8 Operating & Installation Instructions Manual

Maintenance
9.2 Corrective Maintenance
Install the V ring
1. Grease the axial sealing surface. The shaft seating remains ungreased.
2. Push the V ring
Install the protective ring for degree of protection IP56 (non-heavy-sea)
For degree of protection IP56 (non-heavy-sea), the V ring for the outer bearing seal is fitted
with a protective ring
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
9.2.8.6

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.
126
①
V ring
②
Mounting aid washer
③
Protective ring
Figure 9-5 Install the V ring
①
onto the shaft using an assembly disk
The V ring is in the correct axial position when the face surface is flush with the outer edge
of the V ring.
③
in the bearing cover made of sheet metal.
water separation groove at the bottom in the bearing cover flange or end shield.
②
.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017