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Losing air pressure in a Speedaire Compressor

by Walt
(Phoenixville, PA USA)

What would cause you to lose air pressure the Compressor?






Hi Walt...thanks for the question.

Many things will cause you to lose pressure.

From your question, I'm guessing that the compressor runs, brings the tank up to cut out pressure, the compressor stops, and then you see the pressure fall in the tank without actually using any air?

If that's the case, and there is no downstream leak of any kind, then I'm betting that the check valve going into your tank hasn't seated properly, and air from the tank is escaping back up the line to the unloader valve and from there to atmosphere.

Stick your head down close to the pressure switch and listen for a hissing.

If this isn't it, then I need to know more about loss of pressure.

Cheers,

Bill

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