Siemens SIMOTICS TN N-compact 1LH8 - Figure 9-5 Position the Set Screws for the Labyrinth Sealing Ring on the Outer Bearing Cover

3. Warm up the labyrinth sealing ring. Push the labyrinth sealing ring to approx. 3 mm before
the bearing cover before the paint or adhesive cures on the set screws.
3mm
Figure 9-5 Position the set screws for the labyrinth sealing ring on the outer bearing cover
4. Locate the labyrinth sealing ring in position by screwing the set screws in. Check that the
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
SIMOTICS TN Series N-compact 1LH8
Operating Instructions 06/2017 111