Maintenance
9.2 Corrective Maintenance
WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 55
Dismounting
Figure 9-3 Dismantling the V ring and adjacent protecting ring
1. Mark the components of the bearing units so that they can be correctly assembled.
2. When dismantling the V ring, do not dismantle the pressed-in protecting ring.
3. Remove the V ring and bearing cap/end shield from the shaft.
4. Using an appropriate tool, push out the protecting ring. Make sure you do not distort the
shape of the ring when you are doing this.
Assembly
1. During installation, ensure that the seating on the shaft is not greased, but that the axial
sealing surface is greased.
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Figure 9-4 Installing V ring with adjacent protecting ring
① Auxiliary disk for assembly purposes
② Greased
③ Grease-free
1. The V ring is in the correct axial position when the end face of the bearing cap is flush
with the outer edge of the V ring. Use an appropriate auxiliary installation disk for this
purpose.
2. If a protecting ring made from sheet metal has been fitted in the bearing cap to protect
the V ring, when installing the ring, ensure that it is still has sufficient pretension and that
one of its two slots lines up with the water drain slot toward the bottom of the bearing cap
or end shield.
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