Compressor Issueby Larry
My compressor pumps to cut off at 120 PSI then a little switch on the side of the regulator kicks in and drains air off till it reaches cut in pressure 100psi and this goes on over and over. Bill comments... Howdy Larry... You sound a little frustrated...and I sure understand that when things that are supposed to work, don't. The little switch that's on the regulator, I'm not familiar with it, any chance of a picture, or, does it look a little like the schematic shown on this PRV page? I'm guessing here, but it might be that your PRV (pressure relief valve) is pooched, and that it's cracking open at a much lower pressure than it's supposed to. Not sure though. Usually the PRV's found in the pressure switch circuit. In any case, PRV's come with a little spring inside sometimes, so that when the pressure drops far enough, it closes and stops the air from bleeding. Then, when the pressure reaches the set point,(usually well above normal system pressures) it cracks open, allowing air to bleed out of your system before you have a catastrophic failure. In your case, it might be opening far too soon. That's all I can think of. Hope this helps... Bill
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