Sears Compressor - Model # 919.167311 30 gal

by Debbie
(Georgia)

This compressor was given to me. It runs, builds up to 40 psi and won't cut off. It just keeps on running, and running, and running. What's the problem?...Thank you

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Bill says...

Hello Debbie.

Your complaint is not an unusual one, and I (along with dozens of visitors) have written about it extensively.

Please have a look at these pages on why compressors won't build pressure.

Cheers,

Bill

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Sears Compressor - Model # 919.167311 30 gal

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Dec 09, 2011
 Cut-off Pressure?
by: Gary

What is the pressure switch cut-off pressure?

It gets up to 120 psi and doesn't shut off and I am affraid to let it run further. What is a safe PSI to let it develope?

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Gary, I tried to find the specs with no luck. I suspect however, you are good to about 150 PSI for that compressors. Before you turn it back on, pull on the PRV ring (air will blast out if there is air in the ank) and then push it back in to shut off the PRV. Now you know it will let go when it should, and that's when the pressure in the tank or compressor gets too high. If your compressor is taking more than, say 5 minutes to fill and shut off, I suspect you have a pump valve, or gasket problem.

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