Campbell Hausfield Air Compressor won't shut off

by Mike Cestare
(Manorville, NY)

Campbell Hausfield Air Compressor

Campbell Hausfield Air Compressor

Campbell Hausfield Air Compressor won't shut off. I used to turn the the regulator adjustment knob as it reached 100psi and then it would shut down ( I think it is called a regulator adjustment knob), and the unit would turn off and turn back on as I used my tools. Now it just keeps running. it builds pressure fine, but no matter which way I turn the regulator knob, it just keeps running. I only allow it to get to 110 psi as it states it is 125 psi maximum.

the other thing I notice is that after it gets to say 110psi and i pull the plug, and release some air pressure (say down to 80psi), and then go to plug it in again, instead of running, it sounds like to motor is bound up and just huns and the lights in the garage on the same circuit dim as though the breaker is about to trip. I noticed that there seems to be a release valve that connects from the pressure switch to the tank, and if I manually push the switch it releases a little air and then if I plug it in, it starts right up again. Do I have two separate issues??

Any help is appreciated.


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Nov 02, 2014
Campbell Hausfield Air Compressor issues
by: Bill

Yeah Mike, it sounds like you've got a few things going on with your Campbell Hausfield Air Compressor.

First off, read the page on this site about pressure switches. These are the devices that control the on/off of your air compressor, not the air regulator.

Please read the page on air regulators too to get a better understanding of how they work.

As to the lugging on start up, that's probably covered by the information on the unloader valve page, so have a look at that.

Then, if you're still not sure, the troubleshooting page on why air compressors won't start will give you some more things to check.

When you're done, post a comment here telling us what you found, and be sure to include the model number so that folks understand which of the many Campbell Hausfeld air compressors you have.


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