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Air compressor model number 919.152812 leaking from pressure switch.

Air compressor leaking from pressure switch, have replaced switches four times. Please advise on what other problem canbe causing this and how to repair. Model number is 919.152812.

Air Compressors , Hand Gardening Tools
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2 Answers from these members:
afritz afritz
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by afritz afritz Earned 1,360 community points in Air Compressors
December 31st, 2011
Answered in 3 minutes
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Mark T
Thank you for the question.

I am sorry you are having a problem with the air compressor. The pressure switch has a pressure release valve that bleeds pressure from the pump so it starts easier. If air continues to leak out of the pressure relief, when it is turned off the problem is the check valve in the tank. The check valve is a one-way valve that allows air into the tank but not out. If the check valve is defective, air will continue to leak out of the pressure relief valve. You can try to clean the check valve before replacing it. I have posted the instructions for cleaning the valve in the image below. Click on the image to enlarge it. If cleaning the check valve does not cure the problem, you will need to replace it. The valve can be ordered from our parts website:

Sears Parts Direct

. The part number for the valve is A19711.

I hope this is helpful. Please let me know if you need further assistance.

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website:

Sears Home Services


Thank you for using Manage my life.

Mark T.
by Mark T Earned 1,840 community points in Hand Gardening Tools
January 1st, 2012
Answered in 21 hours
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