Installing The Labyrinth Sealing Ring; Fitting V Ring For Roller Bearing Seal - Siemens SIMOTICS HV M Operating Instructions Manual

9.2.3.4

Installing the labyrinth sealing ring

The labyrinth sealing ring is the last component to be fitted when fitting the roller-contact
bearing. It ensures degree of protection IP65 and prevents the penetration of dirt and foreign
bodies into the roller-contact bearing.
1. Apply a soluble adhesive to the three set screws such as Loctite 243) and screw them
2. Apply an corrosion protection paint to the shaft in the area of the labyrinth sealing ring.
3. Warm up the labyrinth sealing ring. Push the labyrinth sealing ring to approx. 3 mm before
4. Locate the labyrinth sealing ring in position by screwing the set screws in. Check that the
9.2.3.5

Fitting V ring for roller bearing seal

Requirement
The roller bearing is already fitted.
SIMOTICS HV M 1RN76308PR900CG0-Z
Operating Instructions 07/2018
partially into the labyrinth sealing ring.
the bearing cover before the paint or adhesive cures on the set screws.
3 mm
Figure 9-5 Position the set screws for the labyrinth sealing ring on the outer bearing cover
tips of the set screws engage with the keyway with a short axial movement.
The correct axial position is obtained when the locating setscrews screwed into the keyway
engage.
Maintenance
9.2 Corrective Maintenance
105