Siemens H-compact PLUS - Repairing the Rolling Contact Bearings with V Ring; Figure 9-2 Position of the Locating Setscrews on the Labyrinth Ring on the Outer Bearing Cap

Maintenance
9.2 Corrective Maintenance
WOGeneric TEAAC / 2008
54 Siemens AG Operating Instructions 1.03 1RQ671...-Z
● Unscrew the three radially arranged setscrews that ensure axial retention of the ring.
● Screw suitable bolts or screws into the radial threads for pulling off. Be aware of the
length of the thread, in order to avoid catching on the shaft or damage to the thread.
● Warm the labyrinth ring as you pull it off.
Assembly
Figure 9-2 Position of the locating setscrews on the labyrinth ring on the outer bearing cap
● Apply a soluble adhesive to the three set screws such as Loctite 243) and screw them
partially into the labyrinth ring.
● Apply a coating of anti-corrosion agent to the shaft in the vicinity of the labyrinth ring.
● Before the anti-corrosion agent or the adhesive harden, push the labyrinth ring onto the
set screws up to about 3 mm away from the bearing cap and turn the set screws to
secure them. 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.
9.2.7 Repairing the rolling contact bearings with V ring
The V ring for the outer bearing seal is fitted with a protecting ring.