Most HVLP spray gun faults announce themselves long before you reach for a wrench. A fan that keeps one heavy edge usually points at a blocked air cap horn. A spray that pulses in time with the trigger points at the fluid nozzle and needle. Paint creeping down the cup thread points at a swollen lid...
A paint spray gun looks like one solid tool, but it is really five working groups stacked together: the air supply end, the air cap and nozzle set, the fluid needle and fluid passage, the trigger and adjustment controls, and the body with its seals and springs. Know which group does what, and most ...
The Short Answer: A Gravity Feed HVLP Spray Gun With a 1.3 to 1.4 mm Tip For most first-time users, the most practical choice is a gravity feed HVLP or LVLP spray gun with a 1.3 to 1.4 mm fluid tip, a 600 ml cup, and separate controls for fluid, fan pattern and air. This setup works with common co...