Thread: Listening to OM617 (300SD) through the stethoscope??
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Old 10-28-2006, 12:39 PM
Wes Bender's Avatar
Wes Bender Wes Bender is offline
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The vacuum pump failure I experienced was preceded by a "ticking" sound rather than a knock, but I suppose different failure modes could make different sounds.

Wes
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