Harbor Freight - won,t build pressure past 20 psi .It ran fine 12hrs. prior .
(Fort Walton Beach)
I used it pm, it is like new few hours use, I left it plugged in turned off valve, next am heard it running, opened garage noticed oil on floor, unplugged pancake compressor. I noticed their was no air in tank. Now after I refilled oil , it wasn't empty, The compressor works but air won't build, It is like a safety pressure switch opened up, although the pop off valve is working and is closed? Is there another safety? Or is there a componet falure? This is a oil type pancake 100 psi unit I bought from Harbor Freight. Why did it spew oil? It seemed to come from the fill tube? The compressor is compressing.
Don, it sounds as though it might have overheated by running too long, and that higher heat might have cause the oil to spill out of the sump.
When you checked the oil, if it was almost full as you said, that wouldn't have been the problem.
You are on the compressor will not build pressure page. What checks did you perform to try and determine what has failed on your compressor? Surely, something has let go, possibly heat related, and once you do the checks, you'll be able to better pinpoint he cause.