Sounds like the switch.
Air compressor issues
My father-in-law has an air compressor that wants to shut off several times before reaching the "cut-off" point. It might shut off at 80 psi or even 100 or 120 psi. It doesn't do it every time, but when it does, he can shut it off and turn it back on several times and it will climb to the cut off point. Any ideas on what could be causing this?
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he already changed the pressure switch and it didn't change a thing as far as the way it was operating. I suggested that to him when he was talking to me about it and that was the first thing he did to try to correct the problem, so I am hoping someone has run into this problem before.
It is either the switch or the regulaor. My money is still on the switch.
one other possibility; there is a thermal overload that is auto reset and it just looks like him flipping the switch does something.
I will check it all out when I am down there and let you all know what I find. I haven't looked at it yet but have plans to here soon. Thanks for the advice. I will look at all the possiblities.
I'm going with a pressure switch. You might try sraying some contact cleaner in it before you start replacing things.
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