Cleaning an HVLP Sprayer

How to Clean HVLP Spray Gun? 5 Step Guide

An HVLP spray gun is of utmost importance, especially for DIY spraying. HVLP is an acronym standing for high-volume, low-pressure. It can be used in air gun spraying. The sprayer will save you a lot of time and money. Cleaning an HVLP spray gun should not be taken lightly. If you have been wondering how to clean hvlp spray gun, don’t worry, we have it all sorted. Take your time. This procedure can last up to an hour, but it is worth it. It will keep your spray gun safe and at maximum performance.

Common Uses of HVLP Sprayers

A HVLP paint sprayer gun cannot go unnoticed in auto-repairs. It’s a top refinishing tool that has replaced many traditional sprayers. HVLP sprayer is most preferred as it can be used for the auto refinishing, in the detailed coat painting and the central painting work. It’s a tool used by professionals and home auto-refinishing as well.

Cleaning an HVLP Sprayer

It has been used in:

1. Marine finishing: 

Marine vessels require perfect painting to prevent corrosion. HVLP sprayer is preferred since it can handle both wooden and metal surfaces.

2. Furniture painting: 

Painting furniture with Sprayer

High precision level is needed in furniture finishing. The value of a piece of furniture is highly attributed to finishing. HVLP propels the paint at low pressure, thus making the sprayer ideal for furniture painting. Low-pressure means you can hold the tool close to the object, thus giving more precision. 

3. In building: 

HVLP sprayer is better used for architectural work. When used in the panting, the resulting coat is even, and they can thus be used when painting various features in the building. The device gives the best results when used for both outdoor and indoor painting.

Must Know About HVLP Spray Gun Cleaning

Before starting the procedure, there are several essential things that you need to know on how to clean hvlp spray gun.

  1. The cleaning process is not as tricky as they might have made you believe. It’s imperative, though, for the spray gun’s quality.
  2. Once the gun clogs, you might have a changed pattern even after thorough washing due to residue build-up.
  3. A clean up for later decision is dangerous for your tool. Once the paint dries, the spray gun clogs easily.
  4. Clean the gun immediately after use.
  5. The cleaning process is more comfortable and less time consuming when repeated.

Top Cleaning Tips

-Be keen when disassembling. Every HVLP spray gun is unique. There is a specific procedure for disassembling. Online research through articles and tutorials will help you. The guns are presented as different sets. Every set contains parts that are so delicate and fragile. This, too, has to be taken into consideration.-Keep the parts in sight till the end. This is a common issue when cleaning the HVLP spray gun. Before clean up, separate the parts which are likely to get lost or can get damaged. A thoughtful cleaning protects your spray throughout the long term.

Requirements When Preparing for Clean-Up

Now that you are ready to start the cleaning process, see the check-list below.• Gloves,• Goggles,• Toothpicks,• Buckets,• Gun wrench-as provided in spray gun package,• Bristle brush- comes with the spray gun package and • A cleaning solutionPersonal safety ought to be maximized. Wear the right gear to protect your skin, eyes, and overall health.

A Guide to Cleaning an HVLP Sprayer

Step 1: Paint cup cleaning.

Turn the cup anti-clockwise to remove it off the nozzle. The nozzle should also be removed as you twist it away from the spray gun.

The cup is the part that contains the fluid and is likely to have some remains. It’s therefore essential to apply some paint thinner, fill it up and close the cup. After thorough shaking, spray the solution into a bucket. The thinner does most of the deep cleaning for you.

Finally, you clean up the main body of the cup by running a paper towel with some paint thinner through the cup.

Step 2: Have the Gun Body Disassembled

Now that the cup is clean, unscrew it from the HVLP spray gun to dry separately. Once this is done, disassemble the rest of the spray gun.

The gun air cup ought to be the first place to unscrew. Next, be careful as you remove the needle, which is very delicate, and loaded with springs; thus, you have to be very careful.

The separate the gun completely, open up the inner parts, and set them aside.

Step 3: Deep the Parts in a Paint Thinner

At this point, all the parts of your HVLP spray gun are all apart. It’s time to get them a thorough cleaning. There are several cleaning solutions, but we recommend a paint thinner. If it’s not available, you can go for a soapy solution.

Break up any paint residue in the parts as you dunk the outer air cup, inner air cup, and the main body in the solution. For proper soaking, allow at least 30 minutes.

Step 4: Dry out the spray gun

It’s now time to get the parts from the painting solution. Wipe them with a bristle cleaning brush. You can use toothpicks as an alternative. Since the parts spent ample time in the thinner, wiping them will take a shorter period to achieve effectiveness.

A toothpick can be used should you notice any buildup around the ridges. Since you didn’t soak the needle and the spring with other parts, apply the thinner to a piece of cotton and wipe the spring and the fluid needle.

Step 5: Reassembly

Once every part is clean and dry, it’s time to get them back together. You start by putting the needle and spring in their positions. Screw on the inner cap then the outer. Wrap up the procedure by putting back the gun body and screw up the cap.


For proper functionality of an HVLP Spray Gun, thorough cleaning should be maintained. Knowing how to clean makes the procedure easier and faster.

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