Model #919175251 CRAFTSMAN Air compressor

  • Air Compressor Pump
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  • Air Compressor
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Question and Answers

Q:

air compressor will not shut off. runs and runs then pressure relief blows. Is there a pressure switch on it that has gone bad? 919.175251

A:

Thanks for using SearsPartsDirect.com, and for being a valued member. 

I am sorry to hear of the issue with the air compressor not shutting off properly. I know how concerning issues like this are.

You never mention, but I presume it builds pressure to the max PSI and then continues to run until the relief kicks in. This definitely sounds like an issue with the pressure switch, which should shut the pump off when the pressure level is reached. I would open up the switch cover and check the wiring, and if all looks well, a new pressure switch will more than likely solve this issue.

For convenience, I have provided a blue link below that you may click on to view and purchase the replacement pressure switch for this model.

Pressure Switch for Model 919.175251

I hope this helps, and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
October 02, 2014
Q:

holes in oil plug 919175251 Craftsman 2 stage air compressor

A:

Thank you for choosing Sears Parts Direct. I can certainly understand how you would want to know what the holes on the oil filter plug is for. I did look into the model number you have provided and I have found information about the holes. Air blowing out of the oil sump vented cap indicates that air is bypassing the piston seals. Click here to view more information. Let me know if this helps.

 

Thank you for your question. Have a great day.


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Natasha12 -
Sears Technician
November 12, 2013
Q:

what makes a compressor pull hard while running 919175251 Craftsman 2 stage air compressor

A:

Searspartsdirect.com is always a great resource to find the answers to your parts questions. Your Sears partsdirect expert will research your question and respond within two business days but usually sooner. Thank you for using Searspartsdirect.com!

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Joseph P. -
April 23, 2013
A:

Thanks for the information about your compressor, model 919175251,I will be glad to assist you. Based on the description you have provided I would first recommend trying to adjust the belt tension a bit tighter. As pressure builds there will naturally be more stress on the pump and belt. If you still have a problem after tightening belt, remove the outlet tube and run to see if still strains , there could be an issue with pressure release valve. With the outlet removed there is still straining, I would suggest checking the motor amperage, capacitors and wiring. I hope this helps, if you need additional assistance please reply with added details and I will be happy to respond. If you get to the point where you need to have a service technician diagnose and repair this failure, you can schedule service through this link: Sears Home Services.Ron H.

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Ron H -
Sears Technician
April 25, 2013
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