Quick Answer: Why Is My Spray Gun Spitting?

Why is my spray gun not spraying paint?

Cause/Solution: Material buildup around the outside of the fluid nozzle orifice, or a partially-plugged fluid nozzle orifice.

A loose air nozzle may also be the cause.

Remove the air nozzle, soak it in thinner, wipe it clean, and be sure to keep it tight..

How do you keep water out of a spray gun?

You must keep water away from entering the paint gun when doing an auto painting. It does not matter what you are painting at the moment, you must prevent all the moisture out of the paint gun. The only way to achieve this is by using a sufficiently designed compressed air mechanism in your painting area.

Do you have to thin paint for a sprayer?

Latex paints They’re extremely viscous, so whenever you spray them with a handheld, HVLP, or small airless sprayer, you need to thin them down. … At minimum, you should plan to thin latex paints by 10%. Another minimum ratio that’s often used is 1/4 C water to 1 gallon of paint.

Do you have to thin paint for a Wagner sprayer?

One of the most convenient things about Wagner FLEXiO Paint Sprayers is your ability to spray any latex or oil-based paint or stain without having to thin the material.

Do you thin paint for airless sprayer?

Using different tips, you can spray thin liquids like stain, lacquer and varnish or thicker liquids like latex house paint. … And since an airless sprayer pumps paint directly from a can or 5-gallon bucket, you can apply a lot of material in a short time.

Why is my Wagner paint sprayer not working?

When your Wagner paint sprayer won’t prime there are a few solutions to the problem. It is entirely possible that the priming or spraying valve is clogged with old material and gunk. … If it’s not the prime or sprayer valve, it could be either the outlet or inlet valves. These can be unblocked by using the filter tab.

Why is my spray gun sputtering?

If the packing where the needle goes into the gun is damaged or loose, it will sputter. Tighten the packing nut a bit and put a bit of Vaseline on the needle where it contacts the packing. … A loose packing nut will cause sputtering. Another cause is a loose fluid nozzle.

How much paint is needed to thin a spray gun?

Add ½ cup of water for every gallon of paint. Mix thoroughly. Check the thickness by running the paint through a funnel. If it flows freely through the funnel, you know the paint is thinned enough.

What is the best pressure for spray painting?

Use a normal type pressure container with approximately 25-40 psi fluid pressure, an air spray gun with a 1.8 or 2.5mm diameter nozzle and a suitable air cap with 25-60 psi air pressure. Solvent-borne products – For Health and Safety reasons we do not recommend the spray application of solvent-borne paints.

What PSI is needed for spray painting?

10-15 psi when trigger is pulled for base coat is what most say to set your gun at. Personally I spray at about 17 psi when spraying base coat and 20-25 for clear coat using the low volume low low pressure spray guns. The normal scfm that these guns use is 5-7 scfm cubic foot per minute. Volume of air used at 40 PSI.