Handle the spray gun with care. In all, airless paint sprayers are an invaluable tool for DIYers and professional contractors alike. Tap the metal housing attached to the pickup tube firmly with a hammer. Release the prime spray valve briefly, then check the intake filter. If you aren’t using the proper amount of pressure, or if you aren’t using the right tip size, your materials won’t atomize properly. If that doesn’t work, check your inlet screen for clogs.

Wait for the paint to dry, then sand it down with dry sandpaper and … Is your pump running but not building up sufficient pressure? Clear the tip if it becomes clogged. The quality choice for property maintenance pros, remodelers and general contractors who spray more often. Keep sprayer upright to avoid oil seepage. Stevie Donald has been an online writer since 2004, producing articles for numerous websites and magazines. What To Do If Sprayer Doesn't Spray After Priming. It's struggling to maintain a steady spray. Try to start engine. Use the correct tip for the material you're spraying. This should unclog the tip. If you have ever tried rolling an acoustic "popcorn" ceiling, or painted the exterior of your home with a roller and brush, you can appreciate how efficient painting with an airless sprayer can be. If you see a clog, clean it out and try priming your pump again. It may not be primed, or may have lost its prime. Paint from the tip can deeply inject skin, causing serious injury or death. Just bought a Graco X7 Airless Paint Sprayer. If this happens, you’ll have to be patient. Is it stuck? Let it run until the paint flows out smoothly, then pull it back up. Can’t squeeze the trigger? You should be able to use a removal tool and remove the ring so that you can exchange it for a new one, but be forewarned – it will likely be damaged during the process, and you won’t be able to re-install it. Believe it or not, many people forget this step.

Keep spare filters and tips in your Graco toolbox. If your airless paint sprayer stops spraying all of a sudden, it is likely due to a clogged tip. Make sure that you have sufficient voltage in your power supply to power your paint sprayer. Ensure your paint sprayer always operates at maximum performance—choose genuine Graco parts. By creating an account you agree to the Hunker, Portland Compressor: Airless Paint Sprayer Trouble Shooting Guide, Readers Digest: Painting With An Airless Sprayer. Next, consider the sizes of your tip and spray fan. This airless paint sprayer will not run if the peak voltage is above 190V.

Paint hits the painting surface with a high level of force, and not all of it sticks. You should have no problem priming your pump after that. The tip of your airless paint sprayer determines how much paint will actually be applied. Find the arrow-shaped handle and turn it so that it is pointing backwards. You'll finish your DIY projects a lot quicker when you're using a house paint sprayer indoors and out. In most cases, simply making sure that your sprayer is getting proper electrical power should be enough to fix this problem.

We’ll run you through the basics. Make sure the power switch is turned to "on" and the electrical outlet is live if the Graco won't start. Also make sure that you didn’t accidentally blow a fuse. If a link leads away from this website, to another, consider that it may be a referral link and we may earn a small commission for sales on such websites. Even the best spray gun will require maintenance, troubleshooting and repairs. Remove the filter housing and see if the filter is clogged.

They’re more efficient, provide a higher-quality finish and get the job done much faster than conventional painting methods. If the paint needle and material flow control are already mounted, make sure that you also completely pull the trigger to ensure that the paint needle isn’t resting against the tip. There are a few common causes. Perfect for DIY homeowners, fixer-uppers or beginners looking for a fast and easy alternative to brushes and rollers. Atomization occurs when inlet pressure feeds fluid to the paint sprayer tip. Finally, consider the materials that you’re using.

First, make sure that your tip size is the right size. With most tips, it’s easy to get rid of clogs. After that, make sure that your filters and strainers are clean. Up to 15 times faster, in fact! There is a ball valve just inside the housing that can become stuck, preventing the paint from being pulled into the pump. Try plugging the sprayer directly into the outlet without the extra cord. Turn pressure control switch ON. Next, make sure you’re using the right amount of pressure. The spray fan, meanwhile, determines the pattern that you’re spraying. Using a "reverse-a-tip" makes it very easy to clear a clogged tip. Run water or solvent through the system until it's clean. Pressure control switch is OFF. If none of these fixes work, your suction tube may be the problem. If your safety is off and you still can’t pull your trigger, then you might have more serious problems with your airless paint sprayer and should consider getting a new one. Overly viscous materials will not spray correctly and you may need to add solvents to your paint. If you squeeze the gun’s trigger but paint only dribbles or spurts, you may have to reset the pressure altogether. Running or cracking paint is usually the result of holding your paint sprayer too close to the surface that you’re painting, leading to an uneven and unattractive finish. Bad spray patterns can be caused by several different things. Common Problems with Paint Sprayers and How to Fix Them, That said, paint sprayers aren’t perfect. Use AC power or a different generator. Lock the trigger when the spray gun is not in use, and always shut off the sprayer before performing any maintenance or repairs. Airless paint sprayers are prone to overspray, which can waste paint and make a mess. So, if you’re dealing with too much overspray, you should consider reducing the size of your tip, your spray fan, or both. No pressure.

The sprayer should build pressure within 30 seconds. Hunker may earn compensation through affiliate links in this story. Finally, take a look at the check ball in your inlet valve. It's time to put down your paint brushes and rollers and pick up a Graco paint sprayer.

If you use the right amount of pressure, you’ll cut down on overspray significantly. Dirty filters can affect fluid delivery, which in turn will affect spray pattern. 1. 2. A 33:1 pump increases pressure 33 times; a 53:1 pump increases pressure 53 times. Clean or replace spark plug. Pressure seems to go down after holding down trigger for … Check the manufacturer’s recommendations for more direction on how to do so. If either is too big for your project, you’ll end up overspraying paint into the air and making a mess. If you are not using a reversible tip, remove the tip with the Graco tool or a crescent wrench. First, make sure that your prime spray valve is in prime position.

There are many different tip sizes. Running or cracking paint is usually the result of holding your paint sprayer too close to the surface that you’re painting, leading to an uneven and unattractive finish.

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