Why Does My Graco Spray Gun Keep Clogging?

Painting is an essential aspect of home renovation or any construction work, and Graco spray guns are popular among professionals and DIYers alike. The company offers a wide range of spray guns designed for different applications, including airless, air-assisted, and HVLP. However, even the best spray guns can clog, which can be frustrating and time-consuming. In this article, we will discuss the common reasons why your Graco spray gun keeps clogging and how to prevent it.

1. Using the Wrong Paint

One of the most common reasons why Graco spray guns clog is using the wrong type of paint. Different paints have different thicknesses, and some are more prone to clogging than others. For instance, latex paints are thicker than oil-based paints and require a larger tip size to prevent clogging. Therefore, it is essential to use the right paint for your spray gun and to follow the manufacturer’s recommendations.

2. Not Cleaning the Spray Gun Properly

Another reason why your Graco spray gun may be clogging is due to improper cleaning. When you finish painting, it is crucial to clean the spray gun thoroughly to remove any paint residue. If you don’t clean it properly, the paint can dry and harden, leading to clogs. To clean your spray gun properly, disassemble it and soak the parts in a cleaning solution. Use a brush to remove any stubborn paint, and then rinse the parts with water.

3. Using a Dirty or Damaged Filter

Graco spray guns come with a filter that prevents debris from entering the gun and clogging it. However, if the filter is dirty or damaged, it can cause clogging. Therefore, it is essential to check the filter regularly and replace it if necessary. You can also clean the filter by removing it from the gun and soaking it in a cleaning solution.

4. Using the Wrong Fluid Tip

Graco spray guns come with different fluid tip sizes, and using the wrong one can cause clogging. If the tip is too small, the paint may not flow properly, leading to clogs. On the other hand, if the tip is too large, the paint may be too thin, leading to overspray. Therefore, it is essential to use the right fluid tip for your paint and to adjust it accordingly.

5. Using a Low-Quality Paint

Using low-quality paint can also cause clogging in your Graco spray gun. Cheap paint may contain impurities or have a poor consistency, leading to clogs. Therefore, it is essential to use high-quality paint from reputable brands to ensure the best results.

6. Using the Wrong Pressure Setting

The pressure setting on your Graco spray gun can also affect how well it sprays. If the pressure is too low, the paint may not flow properly, leading to clogs. On the other hand, if the pressure is too high, the paint may be too thin, leading to overspray. Therefore, it is essential to adjust the pressure setting according to the type of paint you are using.

Conclusion

Clogging is a common problem with Graco spray guns, but it can be prevented by using the right paint, cleaning the gun properly, using a clean filter, using the right fluid tip, using high-quality paint, and adjusting the pressure setting. By following these tips, you can ensure that your Graco spray gun works efficiently and produces high-quality results.

More to explore: What Kind Of Oil Do You Use In An Airless Sprayer?

Frequently Asked Questions about Graco Spray Gun Clogging

1. What causes Graco spray guns to clog?

There are several reasons why your Graco spray gun may be clogging. It could be due to an improper cleaning routine, using the wrong type of paint or material, or a damaged or worn-out spray tip.

2. How can I prevent my Graco spray gun from clogging?

To prevent your Graco spray gun from clogging, make sure you follow the manufacturer’s cleaning instructions and use the recommended cleaning solutions. It’s also important to use the right type of paint or material and to regularly inspect and replace worn-out spray tips.

3. How do I fix a clogged Graco spray gun?

To fix a clogged Graco spray gun, start by removing the spray tip and soaking it in a cleaning solution for several hours. Use a brush or toothpick to remove any remaining debris. If the clog is in the gun itself, disassemble the gun and clean each part thoroughly. If the problem persists, consider replacing any damaged or worn-out parts.

4. Can I use any type of paint or material with my Graco spray gun?

No, it’s important to use the right type of paint or material that is compatible with your Graco spray gun. Using the wrong type of paint or material can cause clogs, damage to the gun, and poor spray performance. Always refer to the manufacturer’s recommendations for the appropriate paint or material to use with your Graco spray gun.