joy tow behind compressor starts fine as long as the valve is open

Joy tow behind air compressor

Joy tow behind air compressor

The compressor starts and runs as long as u keep the air control valve open. Once u close the valve the compressor shuts down.

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Feb 04, 2016
125 Joy Air Compressor wants to die
by: Vic

I have a similar problem when I turn the valve from start to run, it wants to die.

I have re-checked the engine timing, and thought the problem may be a reed valve broken in the compressor that might cause it to put too much of a load on the engine?

I think I might pull the compressor, and check-out this as a precaution?

If anyone has a manual available or can print something for me, also the engine timing spec's, I would appreciate it!!

Thanks, Vic

Oct 04, 2014
valve
by: Doug in s.d.ca

Well, if it's the one I'm suspecting, then yes, it is a safety feature.

The idea is that in flammable environments, when you cut off fuel, it can still run on environmental fumes. So, the only way to reliably kill it is to cut off the "air" too, so it can't 'breathe' anything, thus causing it to stop.

You'd have to get a manual or just figure out what the valve in question is, to know for certain.

Maybe you could post some pix of the unit showing where the valve is? You'll need to start a new post to do that, unfortunately.

Oct 04, 2014
bought at auction
by: Anonymous

It starts and runs but completely stops running when u close the air control valve. I just don't know if this is a safety feature that happens when the unloaded valve or pressure release valve fail to work correctly or should I be looking at another problem.

Oct 03, 2014
valve
by: Doug in s.d.ca

Is this something new for this machine?

Depending on exactly what valve you are closing, it's supposed to shut down.

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