sears 919-152920 air comp. but won,t turn off

by mark
(michigan)

sears 919-152920 air comp. fills tank ok but won,t turn off

model # 919152920
4hp 25 gallon tank
won't turn off automaticlly

______________________
Bill says...

Mark, if your compressor won't turn off once the pressure in your tank reaches the normal cut off pressure, then continues to run until the PRV blows, you have a dangerous situation.

I believe that your pressure switch has failed, and needs to replaced immediately.

Cheers,

Bill