Model #919195412 CRAFTSMAN Air compressor

  • Air Compressor
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  • Pump
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Question and Answers


air compressor shuts down once tank is full

A: is the place to get answers on Craftsman air compressors. In my research I have come with with a link that may be helpful. An expert will respond within 24-48 hours, thanks for your patience.

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Anna T -
May 02, 2012

Thank you for your question.

I am sorry you are having a problem with the air compressor. Once the air compressor turns off go ahead and unplug it from the wall. Then listen for an air leak. If you hear air, leaking out of the pressure switch the problem is a defective check valve in the tank. The check valve is a one-way valve that allows air in to the tank but not out. If the check valve fails the line between the pump and the tank is always pressurized. If this happens, the motor can not start. You can try to clean the check valve first. I have posted an image below that shows how to clean the valve. If it still leaks after cleaning, it should be replaced. The part can be ordered from the following link.

If you need further assistance, please reply with more details.

Thank you for using Manage my life.

Mark T.

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Mark T -
Sears Technician
October 27, 2010
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