Author Topic: Petcock seal  (Read 413 times)

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Offline 74750k4

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Petcock seal
« on: October 03, 2013, 01:28:06 PM »
I replaced it about a year ago, but seems to leak. Polished the knob flat sealing surface. Inspected the rubber holes in the seal, they seem a bit flattened. How often should this need replacing, and how tight should the retaining screws be?