Air leak 5Z700C air compressor

by Russ
(Shorewood WI)

Just installed a 5Z700C air compressor. When it finishes its cycle it blows air out(unloader) then stops but we hear air escaping from the pressure switch. It is a steady hiss of air.


Is this normal. it slowly drains the tank and the cycle starts over again.

This compressor has two pressure switches and just the top one is leaking

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Jun 22, 2016
5Z700C air compressor leak
by: Bill

Nice compressor. Two sets of cylinders, two motors, two pressure switches, two lines into the tank, and two tank check valves.

This is likely why your pressure switch is leaking. Please read the whole page.

http://www.about-air-compressors.com/pressureswitch.html

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