Air Compressor 101 - The Beginners Guide

Adjusting the pressure on your sprayer as low as possible, while still achieving a good spray pattern not only saves paint by reducing overspray, but also extends tip life. And, when you use #graco FF LP tips like @thearizonapainter, you can spray at up to 50% lower pressure than traditional tips, resulting in up to twice the life. | Graco Contractor Equipment - North America

Overhaul the air compressor, and low air pressure, and replace the piston of the air pump.