Torque your fluid tip to 15-20 foot lbs. and tighten the fluid needle packing.
You can rotate the air cap 180 degrees and if the heavy pattern changes, you may have a dirty or damaged air cap and if it doesn't change then you may have a dirty or damaged fluid tip.
The current bumper pad is aggressive enough to adequately abrade most primed bumpers. However, it is not rigid enough to level the primer layer (remove the uneven spots) on the bumper.
Cleaning Your Spray Gun
Keeping the spray gun spotlessly clean insures that it sprays properly. Cleaning methods can range from simple
hand cleaning to using a gun washer. The method used should follow national, regional, and local regulations.
The spray gun should be cleaned immediately after each use. Newer waterborne paints and clear coats dry very
quickly and are very difficult to remove when dry.