How To Adjust Pressure On Airbrush Compressor. Next head down the plumbing aisle to the fittings. Adjust the pressure of the air compressor by using the air compressor pressure regulator.
It should be higher than the recommended PSI for the tool that you are planning to use. Adjust the cut-in pressure with the big set screw. Its time to build up the pressure by the air compressor till cycle ends.
The air pressure you should airbrush at for perfect results is the lowest pressure possible that still allows you to get a smooth and properly atomised paint flow from your airbrush and typically ranges from between 10 psi to 25 psi depending on various factors.
Check for air leaks. Close the drain valve. The pressure gauge should measure the static pressure at the compressor outlet. Since you are working with thin paint or ink set the PSI on your compressor to 30 PSI.
