Will not shutdown with on/off switch

Sullair Model 185 DPQ 2W JD, starts and runs ok, but will not shutdown when with the on/off switch. Unit does cycle up and down with load.

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Sep 06, 2018
185 no shutdown
by: Doug in s.d.ca.

Fuel solenoid stuck?

There oughta be an engine air intake valve, too. Either should kill it...and either could be the switch itself.

Good luck, and let us know what you find, please.



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