Sears Craftsman 33 gallon air-compressor. Model# - 919.167342 compressor won't shut off, pressure stops at 40 PSI

Sears Craftsman 33 gallon air-compressor. Model# - 919.167342.


Compressor won't shut off automatically and pressure will not increase beyond 40PSI.

I've replaced the check valve, regulator, and the pressure switch and the problem continues.

I cannot hear any leaks when the compressor is shut off.

I've left it run for over an hour.

Any thoughts on what to look at next would be appreciated.

Thank You.

_______________________
Bill says...

"I've replaced the check valve, regulator, and the pressure switch and the problem continues. " Quite likely, none of these have to do with your air compressor not building pressure problem.

Your problem is common, and I've written about it. You are on the page linked to a sort of check list of issues that cause this type of air compressor problem.

Could you please post here as a comment what you have found when you looked at the various issues that the page suggests? Not much point in me reprinting it here again.

Cheers,

Bill



Comments for Sears Craftsman 33 gallon air-compressor. Model# - 919.167342 compressor won't shut off, pressure stops at 40 PSI

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Jul 15, 2015
Pix of compressor
by: Bill

You can start a new thread, cross reference to this comment, upload your pics, and I'll move them to here, if you wish.

Jul 14, 2015
ran for an hour 30PSI
by: james

My Model # 919167342 CRAFTSMAN Air compressor. would run and never shut off.. I took the top off the motor and the plate and the compression ring was torn.. Searsparts.com or searsdirectparts.com order today July 14th 2015 wish I could send pic.. $10.64 for part they gave me free shipping..

Oct 21, 2011
Work?
by: Jon

Did you ever find a solution? I have the exact same compressor/problem. Haven't tinkered with it yet.

Oct 03, 2011
Thanks, Bill
by: Derek

Thanks Bill. After I sent the message I found other pages. I?m going to try replace the gaskets now because that seems to be the next thing to try. Wish I would have found this site before I ordered a few of the other parts. The shipping costs are ridiculous.

If that works I?ll update my page so future people can learn from my experiences too.

Derek

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sears - builds pressure to 175 then shuts off

new pressure switch and it builds pressure to 175 then shuts off but the compressor has pressure and wont let it start again
_________________
When you installed the new pressure switch, did you ensure that the unloader valve was working?

Bill

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