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Sullair has high sump pressure

 

by Joey
(New Brandeis, tx)

Sullair compressor is reading around 140 psi sump pressure while unloaded and blow down valve is releasing. Why isn’t sump pressure not dropping?

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Sullair 185 air compressor
Sullair 185 air compressor

Sullair high sump pressure
by: Doug in s.d.ca.

What model of Sullair is yours a 185.. what?

What is the nominal operating pressure?

Is pressure normal when loaded?

Is the intake closing when unloading?

 

 


 

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