Speedair model 2Z355J doesn't stop running
Pressure gets buid up the safety valve opens and compresor is still running. The pressure gets build up past the set point. Looks like pressure regulator fails. Which part I need to replase
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Bill says...Go to the nav bar and click on the link to the Pressure Switch information page.
It is the pressure switch that reacts to the pressure of the compressor to turn the motor on and off.
If the compressor is not shutting off at the cut out pressure set point, it's my bet that your pressure switch is at fault.
Cheers,
Bill