Why does my Graco spray gun leak?
The spray gun is leaking from the Nozzle This occurs when the Needle Packing Nut is too tight, compressing the Needle Packing too tightly around the Needle. This occurs when the Needle Packing nut is too loose. Remember that the needle packing must be tight enough to prevent any leakage of paint material.
What would cause a paint sprayer to not prime?
If the siphon hose has a hole in it or is not tightly secured to the airless sprayer the system may not be sealed and as a result, may suck air in while trying to pick up material. This can lead to the system not pressurizing well.
Why is my paint spray gun spitting?
“Spitting” happens when your paint gun’s nozzle is not properly screwed into place. If your paint gun is spitting or dripping paint, it is probably because the nozzle is not screwed on tightly. If you’ve checked your nozzle and find that it is screwed on tightly, you may need to purchase a new nozzle altogether.
Can you unclog a paint sprayer?
To revive a clogged nozzle, try this trick: First, pull off the nozzle and soak it overnight in a can of mineral spirits or paint thinner. Then, place the nozzle onto the end of a spray tube from a can of aerosol lubricant. Squirt a short blast of lubricant into the nozzle. Repeat, until the nozzle is cleared.