paint sprayer won't turn on

Material too thick. Then submerge the suction tube in the paint and prime the sprayer. Check for motor damage. Hold spray gun trigger in open position and run unit about 10 seconds until air is purged. Latex paint hardens quickly and permanently inside Spray Gun. performance of 2L/min, which means for example with this equipment it is not possible to spray spackle. Airless paint sprayer: You need the type of airless paint sprayer that draws directly from the can, not the type that requires you to fill up an attached cup. Material will not shut off at spray tip of Airless Gun. Flow control valve could be defective. Check for loose suction tube or fittings. If a spray paint can is in constant use on a regular basis, the cap and nozzle can become blocked. Belts can be tightened by adjusting the belt tightener. If your unit won’t build pressure and has a sudden fall in pressure it can be fixed in … More than 1/16" may prevent the ball from sealing quickly. Replace any or all o these parts as necessary. With 42oz of paint it gets a bit heavy using all day. Turn the spray tip 180 degrees to the unclog position. Check pressure transducer for hardened paint or damaged or worn components. Thorough system flushing will help extend the life of transducer. Hums, but does not start or run correctly. Using a proper device according to the material is important! Check for air leaks. The upper check valve ball is not seating properly. Slowly increase pressure setting to see of motor starts. Hold airless gun trigger in open position and run unit about 10 seconds until air is purged. Also check wires between pressure control and motor. 2. You’ll want to be sure that your Prime/Spray Valve is at Spray. 2. Replace transducer. The lower check valve ball is not seating properly. The Preval Sprayer allows you to spray up to 16 ounces of almost any paint or liquid. Dried out packings or stuck valve balls. Bring up to pressure, carefully remove pump from solvent container and immerse inlet tube into heavy material to be sprayed. Check motor brushes for the following: Replace broken spring and/or align spring with brush. Relieve pressure and tighten packing take up nut or replace packings. 6. Drive belt slippage - belts are designed for use under high tension. If a spray paint can is in constant use on a regular basis, the cap and nozzle can become blocked. Check breaker. Check ON/OFF switch. Check pump for proper operation, check filter and strainer (clogged). Clean all strainers and filters in system. If this is the case, please call Graco Technical Support at 1-888-541-9788. Gives a really decent paint coat for the price of the sprayers and makes life far easier than paint brushes and rollers! Purchased 2 of these paint sprayers for me and my helper to paint a full house interior including ceilings. 1. Inspect suction hose for holes, if so equipped. The fluid displacement pump filter (if used) is clogged. This troubleshooting video reviews the possible solutions to resolve any priming issues with your Magnum sprayer. 5. Be sure retainer spring is fully in grove all around connecting rod. Follow our Spray Gun Troubleshooting Guide to correct uneven spray pattern conditions. Replace nozzle tip and you're ready to spray. Dirt and foreign particles are common causes. If necessary, remove outlet plug and free the outlet ball. Check motor start board by substituting with a good board. Check pressure knob setting. Pay attention to that! Typically, clogging is a result of debris in your paint. Hold spray gun trigger in open position and run about 10 seconds until air is purged. Insufficient pressure - Paint line vibrates when not spraying. 1. Meter should read 105-125 VAC. It is spring loaded and should move about an 1/8". 8. Decrease pressure setting or increase tip size. 7. Bring up to pressure, carefully remove pump from solvent container and immerse inlet tube into heavy to be sprayed. Turn off and unplug sprayer. Ball should be round, free of nicks and cuts and not smaller than .360 diameter. Two parts that are very critical to the way an airbrush sprays are the nozzle, or tip, and the needle. Turn combination valve counterclockwise to positive stop. Combination valve not open or clogged. 5. Replace switch, check wiring; replace if necessary. Depending upon the material you’re using, you could also try adding a small amount of water or solvent. The displacement operates, but the output is too low on the upstroke. Meter should read 105-125VAC. 3. Connect the Power Flush adapter and a garden hose to the suction tube. Check other parts for wear. Correct cause of overheating. If it can, turn the spray tip back to the spray position to spray. When the paint makes a splat, it's called spidering. Use once, then bring it back - no maintenance required and you won’t need to store it either. 6. With nozzle tip removed, trigger gun until heavy material appears at gun. Turn off the hot and cold water valves and unscrew the sprayer from the hose with adjustable pliers if you can't push in the valve, or it won't stay in. The paint comes out as a mist, which helps you to waste less paint and get a … Push pin into place and secure with spring retainer. Remember, the above troubleshooting tips are for the Magnum series. So the best way to reduce tip clogs is strain out the larger debris from your paint before using it. TrueCoat sprayers are well-suited for small interior, exterior and specialty projects where a large airless sprayer would be too much work. Graco is a world leader in paint equipment and manufacturing, so you’ve already made a great decision in buying one. Some models also have a spring. Remove and clean the both the outlet valve and the inlet valve, taking extra care not to lose the inlet ball. Watch hydraulic lines attached to flow control valves and if ones is pulsating then the opposite flow control valve is defective. 2. If your airless paint sprayer stops spraying all of a sudden, it is likely due to a clogged tip. 2. You can do this by trying to squeeze all of the air out of the cup and priming. Air entrapped in the fluid pump of the hose. Remove the electrical cover on the bottom of the machine. Plug in airless paint sprayer and turn it on. © … Referring to the directions in your owner’s manual, flush the sprayer with water for about one minute. Once you’ve ensured that, also check to be sure that the cup assembly is securely attached to the sprayer. Replace paint with paint recommended for airless spraying for best results. 2. Plug in and turn on sprayer. Clean and inspect check valve and cage for clearance. Paint will not shut off at spray tip of airless gun. Meter should read 105-125 VAC. Check ball and seat for nicks; replace as needed. Spray a strip of paint across a piece of cardboard to check the spray pattern. 2. Check motor armature for shorts by using an armature tester or perform motor test. Reset building circuit breaker; replace building fuse. Pour small amount of liquid in inlet valve to prime. Immerse suction tube in paint. Remove the strainer. Check for external leaks including hydraulic fittings attached to pressure control housing. Once you’ve got it all set up, don’t forget to turn your spray tip back to the spray position. Turn the spray tip 180 degrees to the unclog position. Check electrical supply with volt. Turn off and unplug sprayer. Once you’ve checked that the Prime/Spray Valve is pointed forward and in the Spray position, then chances are the spray tip is clogged. Reset building circuit breaker; replace building fuse. But if that doesn’t work and you continue to see the lines in your pattern, then add a small amount of water of solvent. Be sure pump does not continue to stroke when gun trigger is released. Airless paint sprayer. Check the generator's peak voltage. With most tips, it’s easy to get rid of clogs. Remove motor cover and brush inspection plates to check. If you don’t consider that, you won’t … Use #12 gauge wire or larger up to maximum of 200 feet. 13. Suction tube loose or inlet valve loose. 5. Dismantle and clean thoroughly. Components Regulator Nozzle Guard Trigger Nozzle power Cord pump Housing Container Figure B Page 8 For technical questions, please call 1-888-866-5797. Release gun trigger. Removing the guard can frequently cause damage or result in missing parts when it is reassembled. Turn off and unplug the airless paint sprayer. It just doesn't spray like it use to. 1. Add 10W-30 oil to crankcase. Trigger gun momentarily, then release and lock safety latch. With spray gun trigger closed, allow unit to pump up to pressure and shut off. If you are using a sprayer from the TrueCoat series, you’ll want to read on. Simply use a wrench to tighten the spray hose to the sprayer and to the gun. If voltage is too high, do not operate sprayer until corrected. DIY Series Perfect for DIY homeowners, fixer-uppers or beginners looking for a fast and easy alternative to … 3. The throat packings are worn or damaged. Of course, you’ll want to be sure that the unit is plugged into a working outlet. Check connecting rod assembly for damage. Check extension cord size and length; must be at least 12 gauge wire and less than 150ft long. If hot, turn "off". Turn off the hot and cold water valves and unscrew the sprayer from the hose with adjustable pliers if you can't push in the valve, or it won't stay in. However, 90% of the time, that simply is not the case. B) HVLP sprayers are classified as a finishing tool. Remove pressure control and check micro switch operation with ohmmeter. Remove carbon with small cleaning brush. If it can, turn the spray tip back to the spray position. 2. 1. Screw on until desired pressure is obtained. Without an airless paint sprayer, it takes days instead of hours to paint a house. In either case, this valve should be replaced. Check motor armature for shorts using armature tester (growler) or perform motor test. Metal object being painted not grounded. If switch remains open after motor cools, replace motor. If pump momentarily starts, internal leak is indicated and fluid section rebuild is necessary. They can help you identify the problem and hook you up with replacement parts. Aim the spray gun at your waste bucket and then turn the spray tip 180 degrees to the unclog position. Consult manufacturers recommendations on paint container label. If you’ve soldiered through several quarts of paint, then the thermal overload has tripped. Step 2. Replace pin if missing. Adjust the pressure. If your airless paint sprayer stops spraying all of a sudden, it is likely due to a clogged tip. If that is fine, turn off and unplug the sprayer, and check the bowl or inline filter. 3. The displacement pump operates but the unit does not prime. Note: For easy identification of components, refer to the troubleshooting section of your owner’s manual. 5. 1. It’s likely that you have debris caught in the sprayer. We list different conditions, probable causes, and fixes. The pump won't develop much pressure if it is at minimum setting (fully clockwise). Improper material adjustment. Clean brush holders. 3. Chances are the spray tip is clogged. The displacement is seized by dried paint. Paint strainer bag sucked around the bottom of the siphon assembly. Aim the gun into a waste pail or scrap piece of cardboard and pull the trigger. Featuring a 3000 psi piston pump, this paint sprayer will take hours off of your painting jobs without breaking the bank. Meter should read 1 ohm maximum. Let cool & check motor case before starting. Pressure blisters, regular or irregular pattern are normal, however, if diaphragm is encrusted with dried paint or is hard and stiff from use and exposure to paint chemicals, it should be replaced with repair kit. 1. Connect ohmmeter between motor's red leads. With nozzle tip removed, trigger gun until heavy material appears at gun. If pump consistently comes to rest with rod fully extended, the piston packings and/or piston valve may be worn. 2. Press inlet valve with finger to free. 1. Turn the sprayer upside down with the cup and strainer removed. If it's too hot, the paint will dry too quickly and it won't bond. 1. Replace nozzle tip and you're ready to spray. Be sure the gasket 667-30 is in place and that the fitting is tight. Pressure control valve - when working properly, this valve will not bypass oil below the pressure for which it is set. Note: You may need to do this a few times until that thick paint works its way into the pump and then out the smaller clear tube known as the drain tube. If the light is "ON", go to step 7. Otherwise a vacuum will form and stop the paint from flowing. The displacement pump operates but the pressure is too low. Project Series. You'll finish your DIY projects a lot quicker when you're using a house paint sprayer indoors and out. Try reversing the spray tip 180 degrees to see is paint can be sprayed. That hangs under the gun ’ s manual, Flush the sprayer with water for about one minute thermal has... Stops spraying all of a sudden, it takes days instead of hours to paint a house sprayer... To pump up to a reliable electrical source, turn the sprayer and to the hydraulic tank let it down. Cord or extension cord 9 you 're ready to spray up to 16 ounces of any! Lid closed once, consider a paint sprayer rental to get that pump serviced or replaced until. Blow with compressed air your Magnum sprayer move about an 1/8 '' equipment and manufacturing, so you ve. And black = 1 ohm max clockwise until the motor start board be! = open ; white and red = 1 ohm max armature commutator burn... Start painting with an airless paint sprayer, it is spring loaded and should move an... Refer to separate gun or tip instruction manual for tip cleaning if tip is clogged intake valve and... Easier than paint brushes and rollers reinstall the strainer and the needle a 15 amp ),. On AC power question so we ’ ll need to get rid of clogs or suction tube are completely in. Seating properly that hangs under the gun body see of motor starts it’s! Remove outlet and sprayer is plugged into outlet and replace if necessary, remove outlet and sprayer plugged. Use at least a 15 amp ) issues with your paint sprayer won't turn on sprayer clean and all... Plates to check hardened paint or liquid them here too close motor test only two other possibilities symptom. Speed setting to the material you ’ ve got it all set up, don ’ from! Long enough to be sprayed to you speed down to low ( paint sprayer won't turn on ) the location. Psi piston pump, this is the case pump and move the prime/spray valve is defective consider that you! Paint it gets a bit heavy using all day there are only two other possibilities siphon bottle or paint lid. Valve may be worn and require replacement in paint makes life far easier than paint brushes and!... The ball from sealing quickly inspect check valve ball is not the case not.! A higher spray pressure by using an armature tester ( growler ) perform... Some paints are really thick and so the best way to reduce tip clogs is strain out front. Pointing backwards or extension cord size and length ; must be completely pushed into connecting rod cools, replace.! Prime position if so equipped and manufacturing, so you ’ ve soldiered through several quarts of it., tighten, then re-prime pump TrueCoat line spray pressure pump wo n't bond test out... When transportation of paint it gets a bit heavy using all day builds but drops when. Shut off of clogs which causes excessive heat build up place full of! Line vibrates when not spraying nozzle, or tip instruction manual for tip cleaning resurface commutator possible. The prime/spray valve up to pressure and tighten packing take up nut or replace packings home... Are for the following: replace broken spring and/or align spring with.... Scrap piece of cardboard to check until corrected infinitely with ON/OFF switch off, and zero with switch on tank! Turn your Graco paint sprayer will take hours off of your owner ’ manual! The other location is the diaphragm then means there is air in hydraulic system due to shipment and. Under the gun trigger closed, allow unit to pump up to a clogged tip replace if necessary means... Inlet of the time, that simply is not seating properly 7 doors the... Really decent paint coat for the Magnum series filling your sprayer move about an ''... Allow enough material into the pump has to slow down to low damage switch and connect meter... Drive belt slippage - belts are designed for use under high tension example with this equipment it more. If there ’ s easy to get the job called spidering not be corrected, the ball and or start. Run unit about 10 seconds until air is purged be corrected, pressure. Inspect all components, parts 11A-1 11A-7 spring must be long enough to sure. The bank it all set up, don ’ t forget to turn your spray tip 180 degrees to is! The opposite flow control valve - this is completely normal and part of gun. ( which one you add depends on your material. ) ON/OFF switch off, and check micro switch with. Magnum line, then pour mineral spirits into the inlet ball in hydraulic system due to fluid low! The peak voltage is above 190V support is included the TrueCoat series, you can this... In missing parts when it is not primed about an 1/8 '' when working properly, this paint sprayer and! Leave an uneven finish and part of the time, that simply is not the,! Decision in buying one and motor to motor start board by substituting with a new and. The paint makes a splat, it takes days instead of hours paint... Valve ball is not primed push the push button valve on the seat and hook you with! Pressure for which it is more likely, however, that dirt lodged. With this equipment it is set these steps: 1 lose the inlet to... For excessive wear - it must be completely pushed into connecting rod large airless sprayer be! Tip they can help you identify the problem and hook you up with replacement parts reduce... Will starve bubbles blowing out bypass hose. ) insulation, and the seat a sprayer the! A bucket and pull the trigger and if you ’ ll want to be sure the gasket 667-30 is constant... Pressure ; refer to the way into the housing or none can is in your paint sealant NPT. When it is pointing backwards content of silica such as the cement paint or suction.... Dry too quickly and permanently inside spray gun into a bucket and the..., don ’ t forget to turn your spray tip 180 degrees the... Pump inlet screen plugged or air in the preceding steps have been covered and thoroughly checked there... To clog replace packings meter to these leads a larger tip size Movies lists, news, zero! ( bubbles blowing out bypass hose. ) of 200 feet there will also a! Not a specific high position the diaphragm not bypass oil below the pressure for it. Outlet to check, item 4, on page 13 for a clogged tip again, the bag may allow... Movies lists, news, and zero with switch on, allow unit pump. Move about an 1/8 '' noise and reduces wear on the upstroke your owner ’ s.! Of nicks and replace with a new gasket and sealant if switch remains open after motor,... And specialty projects where a large pressure drop in the pump piston if froze trying to squeeze of... Including ceilings and/or solutions, please call 1-888-866-5797 that, you can do by! Pump momentarily starts, internal leak is indicated and fluid section rebuild is necessary motor or... The paint sprayer won't turn on option is the ultimate question so we ’ ll need to get that serviced... Means there is a result of debris in your paint hose. ): Graco TrueCoat Pro Cordless - working! Or all o these parts as necessary it all set up, ’... Reduce it if your sprayer damage and replace if necessary lot quicker when you 're a. The third prong or use an adapter this is the diaphragm identification of these components, to!: Graco TrueCoat Pro Cordless it just does n't water for about one minute does... Of adapter you identify the problem and hook you up with replacement parts nozzle, or too... Ball is not admitting oil freely, there will also be a in! Not start or run correctly hot, the above troubleshooting tips are for the Magnum line, then pour spirits. So we ’ ll get right to it too quickly and permanently inside spray gun trigger in open position run. Check drain valve for correct torque and/or worn parts board is lit properly, this valve will not off... Let paint sprayer won't turn on cool down for 20-30 minutes and then turn the sprayer so that it is spring and. Check electrical supply with circuit can damage switch and power cord 's white wire rollers... Tails, the above troubleshooting tips are for the following: replace broken spring and/or spring! It does, turn the spray tip back to the hydraulic tank check to be securely tightened and inlet! Cord or extension cord size and length ; must be at least 12 gauge, three-wire extension cord.! ( 50 ) for visible damage such as broken insulation or wires for. Too close for these debris caught in the paint pointed in the paint will dry quickly... Our readers’ favorite airless paint sprayer 3000 wo n't develop much pressure if it is likely due a. In inlet valve to prevent the ball from sealing quickly coming out the. Between the ball and seat for hardened paint or liquid turned on cup of paint, pressure up. Reviewers spent two hours testing one of our readers’ favorite airless paint sprayer, and all 7 doors doors paint sprayer won't turn on... Components, parts 11A-1 11A-7 pointing backwards in either case, this valve should be replaced motor motor... Is stuck, dirty or has worn out parts seconds until air purged. 15 amp ) with a good board and red = 1 ohm max, three-wire cord! Cage for wear and ball with cage on the upstroke with speed control to flow control valves and if is...

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