20 gal. Coleman Powermate air compressor

2 weeks 1 day ago #2726 by shyllow07@yahoo.com

I have the above compressor that runs until reaches max. pressure, Release valve activates but compressor keeps on running , Where /what is the problem ?

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2 weeks 1 day ago #2727 by MTR-Admin

First, make sure that the tank pressure gauge is accurate. If it is not, then you will be replacing the wrong parts. If after putting a known gauge on that does work, this sounds like a bad pressure switch if the pressure continues to rise.

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