Model #919167220 CRAFTSMAN Air compressor

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  • Pump
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Question and Answers

Q:

Troubleshooting 919.167220

A:

I know that it can be very frustrating to have issues with your air compressor. From what you are describing it sounds like either the check valve is stuck or the start capacitor is malfunctioning. There is a little check valve on most compressors that can fail and cause this to happen. What it does is fail and then the pressure on the compressor pump head cannot be relieved. When it tries to start, the pressure is such that the motor cannot push the piston beyond it and the breaker trips. The check valve will typically be connected at the pressure switch. It's often on the end of a little tube (usually plastic, copper, or aluminum) that's about the size of a pencil. Some of them will appear like the valve stem of a car tire, only smaller. You can try cleaning the check valve with some oil (wd-40) or some warm soapy water (make sure to disconnect from power before cleaning it) to see if you can get it working again. If not, you'll have to replace the check valve. Be warned that many models consider the check valve to be a part of the hose or a part of the pressure switch. This is a fairly inexpensive part, so I would recommend that you replace it first. If you continue to have the same problem after this, then replace the capacitor. I hope this helps. Please feel free to let me know if you need further assistance. We are always here to help. Thank you for using Manage My Life.com.

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AnneJ -
Sears Technician
September 23, 2013
Q:

RE: Sears Compressor Mdel #919167220

A:

If the purchase was less than a year ago the compressor is probably under warranty. Call 1-800-469-4663 and give the number that you gave at the time of purchase & they can give you your repair options -if you consider the use to be "Commercial" don't volunteer that information!

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LookOver1 -
December 31, 2011
A:

Thank you for the question.

I am sorry you are having a problem with the air compressor. By what you have stated I think your diagnosis is correct. If you are hearing something rattle on the regulator, it is defective. We do not see regulator s fail often. I have only replaced a hand full in the 18 years I have been servicing power tools. This is not a high usage part. When installing the new regulator, make sure it is installed correctly. The regulator should have an arrow showing the direction of airflow.

Please let me know if you need further assistance on the air compressor.

Thank you for using Manage my life.

Mark T.

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Mark T -
Sears Technician
January 01, 2012
A:

Thanks Mark and LookOver1 for the time and advice, Will try the fix. I do see the OEM part has been replaced - so maybe someone picked up a quality issue with this regulator. Richard

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Richard -
January 02, 2012
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