Just noticed my pressure regulator hissing – leaking air?

by Daniel(Windsor, Ontario) Using a DeVilbiss Pro 4000 compressor, with a pressure switch that causes the compressor to kick in whenever...

Wiring a 5 HP Quincy air compressor motor

by Pat McMurray(Spokane, WA USA) It’s about a 40 year old Quincy two stage. Previous owner said it ran fine. Should...

Kaeser sm 11 fault code of DM 1

by jon (Hampton NH 03844) Getting a fault code of DM 1 on a Kaeser SM11. What does this mean?? Photo...

Air is forced out of PRV on my Husky air compressor

It all started with air leaking from the unloader, at the pressure switch. I purchased a new pressure switch. A new...

Sullair Compressor Oil – Changing It, Which To Use & How Much To Use

It can be quite a daunting task trying to figure out how to change your Sullair compressor oil, how much to...

Compressed Air Regulator knob won’t turn? HELP

by Dave(Florence, Mass) I own a Bostitch 6-gallon compressor – reconditioned. Using it for the first time. The regulator knob will...

Parts for Clarke Champ Air Model AC20018

by Bob Fuller(Shreveport, LA) Air compressor is not pumping air no pressure. Can not find serial number The flat round part...

Fix a Pressure Relief Valve

Evidently you can fix a pressure relief valve. I am appreciative of Jim who posted the following information on this site...

Craftsman 1.6 HP 33 gallon compressor burning rubber belt

by Lonnie(Ottawa, Canada) The compressor works fine up to 90psi. Its an oil less electric compressor. At 90 psi, with the...

A strange problem with Master Airbrush TC-20T Compressor?

by Michael(Philadelphia) Hi Bill, So My TC-20T (compressor + tank) worked fine for a few days, and then stopped working while...