Make sure that you have sufficient voltage in your power supply to power your paint sprayer. Check the generator's peak voltage. By creating an account you agree to the Hunker, Portland Compressor: Airless Paint Sprayer Trouble Shooting Guide, Readers Digest: Painting With An Airless Sprayer. 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. Is it stuck? Overly viscous materials will not spray correctly and you may need to add solvents to your paint. Wait for the paint to dry, then sand it down with dry sandpaper and wash with soapy water to see if it evens out. Clear the tip if it becomes clogged. Check the manufacturer’s recommendations for more direction on how to do so. Tapping will break it loose. Is your pump running but not building up sufficient pressure? The wrong size, or a worn tip, will result in an improper spray pattern or frequent clogging. Turn off the power to your sprayer if it still won't build pressure. It seems like a stupid question, but we have to ask – is the safety on? Finally, take a look at the check ball in your inlet valve. If you want to get the most out of your sprayer, then you should know how to fix the most common problems you’ll encounter with your new tool. Remove the housing with the Graco tool kit. Hunker may earn compensation through affiliate links in this story. Paint from the tip can deeply inject skin, causing serious injury or death. Up to 15 times faster, in fact! There are many different tip sizes. While they can sometimes run into issues, follow the tips above and you should be able to solve most common paint sprayer problems pretty easily. 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. This amount is usually expressed in gallons per minute. You'll finish your DIY projects a lot quicker when you're using a house paint sprayer indoors and out. Although keeping your Graco airless sprayer clean and well maintained helps to prevent break-downs, knowing how to troubleshoot and fix common problems on the job can save you time and money. Please allow us to customize your site experience by enabling tracking cookies. Pressure control switch is OFF. No pressure. Stevie Donald has been an online writer since 2004, producing articles for numerous websites and magazines. Tags: common problems with paint sprayersoverspraypaint gun troubleshooting, Disclaimer: PaintSprayerGuy.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, This site also utilizes VigLink, a similar method of earning advertising income through various other affiliates, including eBay, Amazon’s international sites, and more. To learn more about the cookies we use and how to change your preferences, see our Privacy Policy. Just make sure that you turn the arrow back to the spray position before you start working again. 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. Try using a torque wrench with a ring spanner attachment to tighten your tip while avoiding slip-off damages. When spraying stain, we recommend you use a spray tip that restricts the amount of paint coming out of the front, such as a 311 or 413 spray tip. Dirt and foreign particles are common causes. Release the prime spray valve briefly, then check the intake filter. If either is too big for your project, you’ll end up overspraying paint into the air and making a mess. Bad spray patterns can be caused by several different things. Turn off the power to your sprayer if it still won't build pressure. 2. If you use the right amount of pressure, you’ll cut down on overspray significantly. 1. So, if you’re dealing with too much overspray, you should consider reducing the size of your tip, your spray fan, or both. View All DIY Series. You'll finish your DIY projects a lot quicker when you're using a house paint sprayer indoors and out. While there’s no way to eliminate overspray completely, there are ways to minimize it. There are a few common causes. Remove the housing with the Graco tool kit. Clean your Graco completely after every use. Lock the trigger when the spray gun is not in use, and always shut off the sprayer before performing any maintenance or repairs. Use AC power or a different generator. Even. Run water or solvent through the system until it's clean. Learn more about this by clicking here: Viglink Disclosure. Try plugging the sprayer directly into the outlet without the extra cord. This should unclog the tip. This airless paint sprayer will not run if the peak voltage is above 190V. Dirty filters can affect fluid delivery, which in turn will affect spray pattern. Next, consider the sizes of your tip and spray fan. Some people make the mistake of using a large tip and fan width to get heavier coatings, not understanding what each component is for. It can contain grit or flecks of dried paint, which can clog the system and shorten the life of the pump. A 33:1 pump increases pressure 33 times; a 53:1 pump increases pressure 53 times. Remove the filter housing and see if the filter is clogged. The higher the pressure, the more overspray there will be. Release the prime spray valve briefly, then check the intake filter. Remove the filter housing and see if the filter is clogged. If you don't have one, a crescent wrench works fine. 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. Also turn the pressure control knob to a higher setting; sometimes the motor will not kick on if the pressure is too low. Increase the pressure setting if the motor runs without building sufficient pressure for spraying. Your inlet valve check fault may also be stuck – again, use the eraser end of a pencil to nudge it. Donald has also been a painting contractor since 1979, painting interiors and exteriors. Welcome! Next, make sure you’re using the right amount of pressure. Atomization occurs when inlet pressure feeds fluid to the paint sprayer tip. 3. Tap the metal housing attached to the pickup tube firmly with a hammer. Just bought a Graco X7 Airless Paint Sprayer. If that doesn’t work, check your inlet screen for clogs. If you squeeze the gun’s trigger but paint only dribbles or spurts, you may have to reset the pressure altogether. Common Problems with Paint Sprayers and How to Fix Them, That said, paint sprayers aren’t perfect. First, make sure that your tip size is the right size. There is a ball valve just inside the housing that can become stuck, preventing the paint from being pulled into the pump. 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. Clean or replace spark plug. If that doesn’t solve your problem, then your air distribution ring might be clogged or damaged. These need to be replaced regularly. The spray fan, meanwhile, determines the pattern that you’re spraying. Never poke from the outside or you'll ruin the tip. It's time to put down your paint brushes and rollers and pick up a Graco paint sprayer. Remove each filter and clean it, and store the unit with mineral spirits in the system to prevent the pump from rusting. 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. Make sure the power switch is turned to "on" and the electrical outlet is live if the Graco won't start. That said, paint sprayers aren’t perfect. Her writing chops include three books on dog care and training, one of which won a prestigious national award in 2003. It's time to put down your paint brushes and rollers and pick up a Graco paint sprayer. If adjusting the pressure and tip don’t help, then perhaps an airless paint sprayer isn’t the right choice for your project. You should have no problem priming your pump after that. Let it run until the paint flows out smoothly, then pull it back up. Try to start engine. Pressure seems to go down after holding down trigger for … 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. Believe it or not, many people forget this step. You can check your pump to see how much pressure that you’re using. Keep sprayer upright to avoid oil seepage. 1. Finally, consider the materials that you’re using. Oil is seeping into combustion chamber. Aim the gun into a waste pail or scrap piece of cardboard and pull the trigger. If it's plugged with dried paint and can't be rinsed, replace it. With most tips, it’s easy to get rid of clogs. It's struggling to maintain a steady spray. If this happens, you’ll have to be patient. Check your inlet screen for clogs and make sure that your suction tube is totally immersed in paint. Engine operates, but displacement pump does not operate. It may not be primed, or may have lost its prime. Simply twist it around and trigger the gun briefly so the pressure blows the debris out. Consider investing in an air spray gun instead. Too much or too little pressure for your tip size and materials can also negatively affect your spray patterns. If it is, and the pump still isn’t priming, try resetting it. The sprayer should build pressure within 30 seconds. Just right for DIY homeowners and handymen tackling the small-to-midsize household projects. The tip of your airless paint sprayer determines how much paint will actually be applied. Turn pressure control switch ON. Pull starter rope 3 or 4 times. Overspray occurs because airless sprayers use high pressure to break up paint. Airless paint sprayers are prone to overspray, which can waste paint and make a mess. First, make sure that your paint sprayer is plugged in and switched on. If this doesn't work, put the thin plastic primer tube in a bucket and release the prime spray valve lever on the side of the unit by pushing it down. Many people new to airless spray equipment deal with issues priming their pumps. Graco airless sprayers come in a range of sizes from small electric models to large gas-powered machines designed for very high production and spraying heavy materials such as block fill and epoxy. If it’s on but still won’t start, you’re likely dealing with an electrical issue.

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