was building up pressure and then just quit working

by Danielle Davis
(Chattanooga)

someone gave me this (Craftsman) compressor. I plugged it up and it started building up pressure and then all of the sudden it quit working. A little smoke was coming off the top. What will fix this?


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Bill says...

Danielle, could be a bunch of things. The smoke was coming off the top of what...., the motor or the pump?

If it is a lubed air compressor, does it have oil in it?

There's probably a good reason why the person that gave it to you didn't want it anymore.

Need more feedback to try and help nail down the problem.

Please comment here so I can follow the thread, if you wish.

Cheers,

Bill


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Stops at 50 psi (stops building pressure, that is)

by mike ramage
(stockton ca)

i have a 5.5 hp 25 gal that runs great but motor keeps running but wont go past 50psi any thoughts?

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Bill says...

Mike, thanks for visiting.

Yes, I think I know what your problem might be.

There are a number of reasons why an air compressor won't build pressure. Please click the Troubleshooting button, and click the link to "won't build pressure". On that page, there is a link to all the common reasons.

Have a look and see if any of these issues might apply to your compressor problem, OK?

Cheers,

Bill

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Craftsman compressor will not pump over 60 pounds and keeps running

by jerry irby
(meridian ms 39301 usa)

craftsman model919 166442 serial 2616055775

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Bill says...

Hi Jerry:

You are not alone. It seems the most frequent question I get is about why compressors keep running but the pressure reaches a certain level, and won't go higher.

On the Troubleshooting page related to "won't build pressure" is a link to a page that covers most of the reasons why this is the case.

Things like checking the intake valve, leaks in the system and so on.

Odds are good you have a valve problem or a gasket problem as these are the reasons that pop up most frequently.

If you are good with tearing your pump down to check or replace valves, and to check all the gaskets, you are good to go. If not, it's off to the repair shop.

Good luck.

Bill

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