Motor runs only at 50 psi or greater.

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

  • Remove outer valve cover and verify four 3/8 -16 x 4" screws, are tight to 20 ft-lbs (27.1 N•m.).
  • Replace flat gaskets.
  • Apply grease to gasket surface prior to re-assembly.