The blast hose recoils heavily when the blast control switch is engaged. Large slugs of abrasive and water are ejected from nozzle.

  • When you have finished blasting, perform wash until all of the abrasive is flushed from the blast hose.
  • Turn the selector valve to OFF, and with the abrasive ball valve closed, continue to blast until water is cleared from the hose.
    • This is to dry the inside of the hose for storage.
  • Perform pressure relief procedure in the manual.
  • With the pot pressurized and the abrasive ball valve closed, engage the blast control switch and check to make sure the pump is stalled.  
  • If the pump rod is creeping, replace the abrasive ball valve.
  • With the pot pressurized and the abrasive ball valve open, check to make sure the pump is stalled.
  • If the pump rod is creeping, replace the pinch hose.