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Ac cycle pressure switch on the dryer

brans87

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image.jpg Anyone know what the little screw that is on the ac cycle pressure switch is for?

Is there a way to set it correctly?
 
It is to adjust the pressure . There is a small range you can set it up or down to cycle.
 
Yes, it's great. You can change the refrigerant type (i.e R12 to R134) and just adjust the switch instead of having to buy another one. FYI, the pressure switch and the dash switch both last much longer if you use a relay to power the clutch.
 
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