adjustable pressure switch help?...

[shlamdchevy]

ok i was wondering if anyone knows how to adjust the pressure rating for this pressure switch?...havent figured it out; its rated at 200 psi and right now my compressors turn off on 160 i was wondering if anyone can tell me how i can get them to turn off at 200 psi?...


http://www.suicidedoors.com/images/products/mid_200_PSI_Adj_Square_D.jpg

[Mavmavv]

There is an internal adjustable spring, you want to tighten it I believe. I dont know, my switch burnt out after like 3 days.