Air Compressor Valve Leaking

Replace the safety valve if it leaks air constantly.

Air compressor valve leaking. If you find that your compressor pressure switch unloader valve is leaking air continuously then you have located at least one of the leaks on your air compressor. Leaky gasket high pressure inlet valve. The safety valve pops open to relieve excessive air pressure if the pressure switch fails to shut off the air compressor at the cut out pressure setting. The unloader valve is only leaking when the compressor is running.

Unloader valve is leaking air. Remove and install new safety relief valve. Air continuously leaks out of the unloader valve on your air compressor and this is a problem. With the compressor off the unloader valve should not be leaking any air at all after the unloading process a second or two has completed.

Hotdog compressor was working very well till last month when the unloader valve opened while the compressor had kicked in to build up the. Replace valve plate assembly. The valve on the outside of the pressure switch may look something like the one in the image. My little 2 gal.

If air is leaking from the unloader valve when the air compressor is stopped that points to a problem with the compressor tank check valve not seating properly or its failure. Well if air continuously leaks out of the unloader valve then the compressor tank is emptying and the compressor needs to restart to replenish the air in the tank to get back up to cut out pressure so it can stop on its own. Safety relief valve not functioning properly. If new safety valve leaks remove cylinder head inspect and clean reed valve assembly.

This video goes over a few main reasons why your air compressor pressure switch or unloader is leaking while the compressor is running or when it shuts off. If the air is leaking from the unloader valve then see the page under fixing compressor problems about air continuously leaking from the unloader valve for. Air leaking from inter stage safety relief valve when compressor is pumping. If air leaks out the unloader when the pump stops replace the check valve because the check valve leaks air back towards the unloader.