Air pressure jumps to line input pressure from set point.

To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.

  • Replace gasket or seal repair kit.

 

  • Remove, inspect for damage, grease and reassemble. 
  • Replace regulator valve spool if damaged.
  • Remove air control and install another regulator to motor air inlet port to see if problem remains with the air motor.