Porter Cable 6 gal pancake compressor wont build pressure

by Frank
(Ottawa ontario Canada )

Porter Cable pancake tank air compressor

Porter Cable pancake tank air compressor

Hi my porter cable 6 gal pancake compressor type 2 only builds to 40 psi and won't shut off , any suggestions ? thanks ,

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Oct 20, 2014
Porter Cable won't build pressure
by: Bill

Frank, there are many reasons why your Porter Cable pancake air compressor will not build pressure.

Rather than keep repeating the same response, as I expect you can appreciate you are not the first person to ask this question, there is a page under troubleshooting providing information and checks about air compressors that won't build pressure.

Please have a look at that and related pages, do the checks noted where they apply to your compressor, and if you still need help, please add a comment here with details.

Bill

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Porter Cable 6 gallon air not releasing

by Jerry
(Waxahachie, TX)

porter cable 6 gallon air compressor

porter cable 6 gallon air compressor

Type of compressor: Portor Cable, 150 PSI, 6 gallon,

We did the troubleshooting check and no answers on what might be the problem.

Motor runs, builds air but doesn't not release air.

Hose on side of compressor from tank to motor gets hot also.

Hope you can help?

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Oct 21, 2015
Air not releasing.
by: Steve

My problem the same, it will build up pressure but won't release it, have to pull out pin that's spring loaded to release air.. What causes this and could I fix it myself?

Mar 21, 2015
Porter Cable line gets hot
by: Bill

Hey Diney, what line gets hot, and have you read the troubleshooting page about no air out of hose?

B.

Mar 21, 2015
No pressure
by: diney

same problem as last guy air gauges rise but no air comes out and line gets hot.what to do, what to do, what to do?

Oct 30, 2014
Porter Cable not releasing air
by: Bill

Hi Jerry, as a comment here, please tell me what the tank gauge pressure reading is, and what the regulator gauge is reading as well.

From what you've written, I would suspect the regulator.

See the troubleshooting page on no air out of hose for more details.

Bill

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Porter Cable WILL NOT BUILD UP ANY PRESSURE

by Joe Picard
(Burkburnett, Tx)

Bill,

I have a Poter Cable 25 Gal upright 135 PSI Model # CPF 6025UP.

Motor runs great, pulling air thru inlet but no pressure at all. Checked all plumbing no leaks. I really can't figure this one out. Ant ideas ? avion60@hotmail.com

_____________________
Bill says....

Hello Joe. On the page linked from this one is a list of reasons why air compressors run but don't build pressure satisfactorily.

You've ruled out the valve issue by checking that the intake port is actually drawing in air and not blowing it back out.

If no leaks, all other things being good on your air compressor as they seem to be, my guess would be a gasket failure under pressure inside the pump.

Cheers,

Bill

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Porter Cable Pancake Compressor Speed

by Gabe
(Cleveland, Ohio)

I've got a PC pancake compressor that the speed fluctuates a lot.

It fills the tank fine and starts automatically when needed, it's just that speed when filling constantly rise and falls. The only thing that I've done to it is replace the check valve but no luck!

Any help would be appreciated Thanks!

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Mar 06, 2015
CFFN251T pancake
by: Bill

This looks like a fractional HP motor, and as such, may not have a cap.

So, then what?

Valve plates?

If the power to the motor is good, and the check valve is OK, and there is no capacitor, then the mini-pump may need a valve kit.

Mar 06, 2015
Capacitor
by: Gabe

I left out some info in my first post. this is a model CFFN251T pancake.


Thanks for the reply!

I've already checked the check valve, In fact I even replaced it to make sure that it was ok. As far as capacitors go I don't see any. I don't see any capacitors on the parts diagram anywhere either. Am I overlooking them ?

Thanks
Gabe

Mar 05, 2015
Pancake speed change
by: Bill

A dedicated 20 amp circuit means that your compressor is getting ample supply.

Varying motor speed suggests the compressor is reacting to a change in pump conditions, a developing motor issue, or the run capacitor may be failing.

With tank empty and power off, pull the tank check valve to ensure that it's working and not creating back pressure. While you are at it, make sure the tank is drained dry.

The next least intrusive step is to check the run capacitor. See that page on this site.

Please update us when you have a moment.

Bill

Mar 05, 2015
Compressor usage
by: Gabe

This compressor is primarily used in my heated woodshop to run my nailers. It's plugged into its own 20a outlet, so no cords. It cycles fine its just the speed is all over the place. Sounds like it's straining sometimes.

Mar 05, 2015
Porter Cable Pancake Compressor Speed
by: Bill

As a comment to this post, please tell us where you are using the compressor, the temperature in which you are using it, and the length of the power cord to the compressor including any extension cords.

Cheers,

Bill

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