Compressor Will Not Build Pressure

by Mark
(McComb, OH)

I think the reed valve is not sealing, but it looks okay. Everything in the head looks clean and in good shape. The piston has good suction. What can I do to repair it if it all looks good?

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Bill says...

Howdy Mark. When the compressor is running, is there a puffing or a pulse of air out the intake valve? You might pull the intake filter and carefully place your finger near the intake port to feel if there is pressure.

If no air is coming out, then logically the only place the compressed air can go is into the tank.

Now, assuming that there is no mechanical issue with your compressor, then why isn't the pressure rising?

Well, if you have a gasket failure inside the compressor head, then the air is simply moving back and forth inside, and not getting pushed into the tank at all.

Hope this helps.

Cheers,

Bill




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Compressor Will Not Build Pressure

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Jun 07, 2010
 Found the problem
by: Mark

When I posted my original question, I thought that everything in the head looked good but I did not realize that there was another gasket and spacer still stuck to the head when I removed it. I removed the spacer and gasket and found that the gasket was blown out between the intake and exhaust ports. I made a gasket from cheap gasket material and it has been working good for over a month.

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Glad to hear it's OK now Mark. Thanks for visiting my website.

Cheers,

Bill

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