FAQ: Why Would A Paint Sprayer Run For A Few Seconds Then Shut Off?

Why is my paint sprayer not working?

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.

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 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 paint sprayer splotchy?

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.

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How do you unclog a spray gun?

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. Use a sewing needle or wire from a twist tie to clear away softened paint from the tiny tube at the nozzle bottom; be careful not to enlarge or distort the tube.

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