13.Move the blast nozzle air supply lever to ON or the open position (see Figure 13).
Figure 13. Blast nozzle air supply valve, opened.
14.Move the sand metering valve lever to your required sand flow volume requirement (see Figure 14).
Figure 14. Sand metering valve in the full-open
position.
15.Point the blast nozzle at the workpiece and slowly move the blast nozzle lever (Figure 15) to the ON or open position. Sand blasting will begin.
Figure 15. Blast nozzle valve, open.
16.Move the blast nozzle in a slow circular motion.
Note: A good starting point for tip distance is four inches away from the workpiece. Start out with a low air pressure setting to avoid excess peening and abrasive wear.
Note: Experiment with different pressures, abrasives, sand flow, and tips to gain practical experience.
Note: Keep the sandblasting abrasives
17.When sandblasting is complete, ALWAYS close the air supply lever before you disconnect the air supply line. Otherwise the residual air in the tank will expel sand backwards through the water separator and out of the air supply fitting, damaging the water separator.
