ingersol rand compressor ~ ressure will not build much past 20-25 lbs

by m hardin
(nc)

the unit runs and air seems to be coming out but there is some type of a small spring valve on the outlet from the head that doesn't appear to be working right. pressure will not build much past 20-25 lbs


_______________________
Bill says...

Is air bleeding out of this spring valve? If so, does it stop, or bleed all of the time?

M Hardin, there are so many models of IR compressors that I really have no visual clue about what spring valve you are talking about.

Any chance you could re-post with photos?

Thanks,

Bill

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Jan 03, 2011
valve
by: Anonymous

the valve is a brass fitting right at the exit of the pipe from the head. i think it is some type of relief valve that is supposed to close as soon as the compressor starts running. air bleeds out continuously as long as it runs
thanks
m

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Ingersoll rand 12.5 hp gas kohler engine will not come up to pressure

by Dwight
(Risingsun Ohio USA)

Compressor will not come up to pressure, I bought this compressor as is,, it runs good and builds some pressure,, On the receiver there is a discharge unloader valve that the guy I bought it from was missing with...It is the type the flips up I guess if you want to relieve pressure and flips to the side for the compressor to pressure up.. This valve screws in and has a jam nut on it.. He was turning this in or out,,,I'm not sure... So what I want to know is how to set or how far do I screw the valve in before I lock the jam nut.. Could that also be my problem with the compressor not coming up to pressure??

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Dec 27, 2013
pressure
by: Doug in s.d.ca

A bit more detail, please.

Is it configured as seen in ads from sellers of new machine? If so, then the valve at the center of the tank is the output and the valve at the bottom is a drain valve. PRV is up top near the pressure gauge.

Is the pressure going up and then suddenly dropping, with the engine going full speed?

Or does pressure go up and then just level off?

If none of that seems right for your machine, please start a new thread and post a picture of the thing, along with answers to the pressure questions.




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