How to Set up the Automotive Paint Gun?

The automotive paint gun allows you to reconsider the color of the vehicle with precision and elegance. As for the process, the filling of the gun with material, setting the gauge, taking precautionary measures before painting, and doing the action. After the process, the cleaning of the gun is likewise important. Here, we have enlisted the steps, benefits one can get from the automotive paint gun, and the problems that are commonly faced while using the gun. Let’s take a close look over;

Steps to Set up the Automotive Paint Gun

The tips that are needed to be rekindled for setting up of the process are;

Choosing the Right Automotive Paint Gun

Above all, before getting to the action, the selection of the right automotive paint gun can save you time, increase the elegance of the coating, save the paint material, and increase the durability of the job. For this cause, our experts have carved out the most efficient models; Best Automotive Paint Gun Kits

Setting up the Air Hose

Connect the gun to an air hose which is further connected to an air compressor. Thus, the compressor regulates the pressure given to the air hose.

Filling up the Fluid /Material

Fill up the fluid material, but make sure the concentration of the paint should be in proportionate measurement. Thin down the paint (if it is too much thick) so that it can easily pass down to the gun. Lastly, dip the paint and run it through the gun.

Setting the Fan/Pattern

The fan is used as a spreader that determines the width of the paint, whether larger pieces are painted or small set the fan by leveling up the fan. The fluid needs to be changed several times. Therefore, the fan should be located opposite the gun’s location.

Pouring the Paint

The paint needs to be poured down into the gun by using a strainer to avoid any clogging into the gun. By filling the cup ½ – ¾ pour the paint into the gun in the holder. Turning on the compressor and connecting the gun plug to the air hose will help this process fasten up.


Paint particles can reach our lungs, eyes, and skin while painting. Take care of the health by using;

· Safety data sheets

· Nitrile gloves

· Safety glasses

Wearing these will help in protecting the body, eyes, and skin from any harm. A sidekick tip for sustaining health is to work in a well-ventilated area.


After setting up the gun now is the time for the action. Choose the area which you first, need to cover—paint in the pattern from up to downside, and this will put in the elegance over the job.

Precautionary Measures Before Painting

To prevent drying of the nozzle, pull the trigger away from the surface. Then paint the material column by rows. For better quality, use low air and fluid pressure. Firstly, paint the columns and then rows side by side.

Cleaning up The Gun

By using mineral spirit, water, lacquer thinner, paint thinner, or acetone, you can do the process of cleaning your automotive paint gun. You should clean all the parts separately remove the paint from the air holes, needle, cup, and from the inside portion of the gun. However, an air hose can also be used for the cleaning of the gun.

The following video will help you in cleaning your spray gun:

Common Problems While Setting up An Automotive Paint Gun

Fluid Leaking from Packing Nut

If the fluid is leaking from the packing nut, simply tighten the packing nut or change its packing.

Fluid Leaking from Front of the Gun

You can avoid leakage from the front of a gun by losing the packing nut and checking the needle spring and its size, whether it is of the wrong size or broken.

Spray is Fluttering

If the spray is fluttering, then keep the material level high and check if there are any passage obstacles. Still, if the paint is fluttering, make sure the thickness of the paint is on a certain level — So, if it is thick, add more solvent.

Paint is Coming Out Dry

If your paint is coming out dry then, loosen up the fluid knob and add thinner air pressure. However, this will make sure that the paint will not come out of the gun.

Paint Too Runny

Your paint can be runny if it is too thin, to avoid this add more paint and tight the fluid knob. On the surface, you can adjust it easily. 

Benefits of Using Automotive Paint Gun


Coating with an automotive paint gun is manageable — from small to large layers. The thickness of the layer is customizable, so this gives them versatility over the painting job. 


You can paint your product to get the desired look without spending too much money. The automotive paint gun gives in an elegant texture and quality layer of the paint over the surface with no certain wastage — the HVLP (high volume low pressure) decreases the pressure and increases the volume of the paint, therefore, this forbids the certain paint loss, thus relieving your pocket of the budget of paint buckets.


The spraying nozzle with LVLP or HVLP technology puts in the precision and accuracy over the surface. However, the nozzle reaches in difficult curvy spots and spread the paint equally.

Energy Efficiency

Automotive paint gun is energy efficient, whilst speeding up the painting process it uses less power.

Types of Automotive Paints

HVLP (High Volume, Low Pressure)

The fluid transfer process adheres to the high volume, but the pressure is low (HVLP), which allows less wastage of paint. So, the coating of the paint is likewise much textured, and even. However, the process is fast and reduces much wastage of time.

LVLP (Low Volume, Low Pressure)

The gun adheres to throw paint at low volume with low pressure, this allows the user to work quickly for large projects. So, the paint dries smoothly and the quality is moderate.

Frequently Asked Questions

What is the best paint gun for auto painting?

The best paint gun for auto painting must have some essential specifications like the type of the paint gun, nozzle size, filter, adjustments, weight, maintenance, personal preference, and attachments (container and hose). In our recommendation, the best paint gun for auto painting is 3M Accuspray ONE Spray Gun. This is an HVLP Spray Gun with cup sizes; 1.2, 1.3, 1.4, and 1.8, and nozzles size; 1.4 mm, 1.8 mm, 2.0 mm.

What kind of paint do you use for a spray gun?

Latex paints work well with airless spray gun systems, and some don’t even need to be thinned before spraying. You can use the paint right out of the can. When spraying paint that has not been thinned, the airless system has certain drawbacks.

Can you paint a car with a HVLP Sprayer?

HVLP guns are not only effective at not spraying excess paint onto a car’s surface, but they also have better “transfer quality.” This term refers to the amount of paint that you fire from the gun and then adheres to the car’s surface.

Is airless or HVLP better?

For vertical spraying small projects, an HVLP is preferable to an airless, particularly if you are new to spraying. Since you are spraying at a lower pressure, you are less likely to get paint runs. When you turn up an airless spray to 2,000 PSI, a lot of paint is thrown onto the surface easily.

Can you use house paint with automotive gun?

Yes, indeed. Treat latex paint like water to get it out of the gun as soon as possible so that it doesn’t rust or contaminate the gun for future auto work. If you have a preference, use a 1.3mm or larger needle and air cap for house paint.


Whether it is buying curtains for your room, planting shrubs in the garden, or changing the color of your car, these acts summon up the spices of life. If you want the painting procedure to be on point, here, we have enlisted the steps you need to take into consideration. As the article proceeds, certain benefits of the automotive paint gun, faqs, and the types likewise. If you want to do spray painting professionally but domestically, you need to buy the best automotive paint gun kits.



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