Erratic or accelerated pump speed.

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

  • Refill the fluid supply and prime the pump.

 

  • Clean the suction tube.

 

  • Clear the piston valve. 
  • Replace the packings.
  • Clear or service the intake valve.

 

  • Clear the gun, hose, outlet, etc.

 

  • Clear or service the outlet check valve.