Porter Cable Cable 20 Gal 150PSI Oil Lube Horizontal Air Compressor C5510 "compressors keeps running" Questions

The compressor relief valve keeps popping, compressor runs The relief valve on my Craftsman compressor keeps popping, the compressor runs continuously. I have replaced the relief valve, still no luck.

...KEEPS RUNNING AND WONT REACH MAXIMUM PRESSURE. MY COMPRESSOR JUST KEEPS RUNNING AND WONT REACH MAXIMUM PRESSURE AND SHUT OFF. I CAN SHOOT NAILS BUT IT WONT SHUT OFF DOWN. The compressor itself sound ...

keeps running until pressure output is 200 PSI, the same pressure in the tank. Why doesn't it quit running at 120 PSI the designated pressure on the compressor? The regulator switch/unloader is bad or

...keeps running at 70 lbs press. It keeps running at around 70lbs psi. used to shut off at about 125.. anything I can do to fix.?? tks Pat either you have an air leak clogged air filter or more likely ...

the compressor turned on pumped up and shut off and wont start up I just bought it and it run and pumped up and shut off. I used a air ratchet to see if it would run again and it started to pump up ...

...keeps running untill the safety pops releasing air (usually about 160psi) then the switch is most likely problem. I use SquareD switch from WWW.Grainger.com. However if the compressor keeps running ...

My compressor will not shut off now. It keep running and running and then finally overheats and then shuts itself off. I don't hear any leaking noise when I unplug the compressor. What to do? Hi, ...

craftsman compressor 1/3hp 3 gal just stopped building pressure past 40psi keeps running though Had the same problem myself. Replaced the piston and now runs like new.

...keeps running I have an iron force oil less compressor, it slowly stopped building up pressure ( down to 25 psi ) . I replaced the piston and sleeve. ( the ring was worn out ) Now it will only build ...

...keeps running and the gauge remains at 0 psi. Is the petcock down below open or closed? If open, then screw it closed. Also, is the compressor portion connected to the motor working as it should? As ...