Service Information
Cover assembly
Versions MFZ 430 & MFZ 2 / 400
with preassembled releaser
3483 … / 3488 …
Fig. 1: Guide pin of release ring in its correct position Fig. 2: Guide pin of release ring incorrectly seated -The pin
slipped under the diaphragm spring
The correct position of the guide pins (Fig. 1) is between the recesses of the diaphragm spring tips.
If one of these guide pins slips under the diaphragm spring tips due to improper handling / incorrect
transportation eccentric / awry releaser contact will occur and inevitably cause premature failure.
Any shock during transportation or handling prior to installation can force the releaser out of its centered
position. This position is needed to ensure correct operation (Fig. 2).
Make sure to verify the correct position of the releaser prior to installation to avoid such damage.
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Technical Support Phone: +49 9721 4755555 04.2006
Fax: +49 9721 4755556
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