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Have a pancake style 2hp ithink small compressor it runs but dont seem to build any compression is my problem rings in pump or what is your answer

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Theree are TWO common problems that cause this. Usually these have a compression release associated with the pressure switch. If you hear a hissing noise from around the pressure switch, this little valve may not be seating. The very common problem is actually with the main check valve for the compressor. It is often right where the pressure pipe from the compressor goes into the tank... right as a part of the fitting there. Common problems are contamination of the valve seat OR in some cases they have a soft seal moving part like Teflon or other that wears out and leaks. Rings problems are really rare. In a few cases the pumps use a diaphram and those can get damaged, but most 2 HP do not use that type of pump.

Posted on Dec 31, 2010

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