No blast air flow when the blast control switch is engaged. The water pump does cycle while the blast control switch is engaged.
No blast air flow when the blast control switch is engaged. The water pump DOES NOT cycle while the blast control switch is engaged.
The blast hose recoils heavily when the blast control switch is engaged. Large slugs of abrasive and water are ejected from nozzle.
While in BLAST mode, with the blast control switch engaged, air is flowing from the nozzle but little or no abrasive is flowing from the nozzle.