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1990C4S 1990C4S is offline
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Join Date: Sep 2009
Location: North of You
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^^^^ This is correct.

The compressor won't be able to re-start without a proper unloader circuit. When the tank is empty the motor will work, but with the back pressure of the tank on the piston you will overload the motor on a re-start.

The unloader circuit needs to work properly for the compressor to work right. I think you need a check valve there.
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Old 04-01-2017, 05:51 AM
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