Often asked: How To Replace Parts On A Airless Paint Sprayer?

Why is my paint sprayer not sucking up paint?

Check that the filters and nozzles are clean, and if they are letting the material flow. Best thing to do is to remove and clean them or if they are damaged replace them. If your machine is not sucking, another possible solution could be to check the position that the pressure valve is in.

Why is my airless spray gun spitting paint?

Spray guns spit when air is being introduced into the fluid outside of at the air cap. A loose fluid nozzle does not properly seat in the tip of the spray gun and causes air to enter the fluid supply resulting in spitting.

What would you do if your paint does not spray from your gun or comes out blotchy?

If your paint gun is not spraying paint at all, it’s most likely due to a clog either in the air vent hole or the hose. Clean any dried paint with a toothpick, and use a cleaning solvent to clear any remaining gunk. If you’ve cleaned your paint gun and find that it still isn’t spraying, take a look at the air supply.

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.

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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.

How do you keep a paint sprayer from clogging?

To prevent the nozzle from becoming clogged in the future, always clear it of paint after each use by turning the can upside down and pressing the nozzle until the mist that comes out is clear.

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