CLEANUP CONTINUED 5. Point the spray gun at the side of 2 waste container. Ground the gun against the side of a metal waste container if flushing with mineral spirits. While squeezing the trigger, turn the pressure contra! knob to 2, and turn the PRIME/SPRAY knob: to SPRAY. 6. Continue squeezing the trigger until fluid is coming out clear, You may need to get new cleaning solution, 7. Perform PB ure, page 10, 8. Remove the inlet filter by pulling If off the suction tube.