- Adjust the blast regulator to the desired pressure while the blast control is engaged.
No blast air flow when the blast control switch is engaged. The water pump does cycle while the blast control switch is engaged.
- Check for leaks along the tube and at the connection points (see tubing schematic in the manual for more detail).
- Clean or replace the adjustable blast air regulator.
- Disassemble the main air regulator and inspect components.
- Replace or repair parts as necessary.