However, 90% of the time, that simply is not the case. Dismantle and clean thoroughly. Belts can be tightened by adjusting the belt tightener. 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. The upper check valve ball is not seating properly. HVLP, Conventional Sprayers Air-Line Regulators. If your sprayer isn’t from the Magnum line, then it’s part of the TrueCoat line. Remove motor cover and brush inspection plates to check. Pump draws up paint but the pressure does not build up. Never remove the third prong or use an adapter. Replace pin if missing. Replace brushes if less than 0.5 inches long. Check spring for excessive wear - it must be long enough to be in compression when seat is all the way in its nest. 5. This is completely normal and part of the Graco spray painter design. Check legs and roof of cage for wear and ball with cage on the seat. 8. 1. Vacuum valve - It also regulates the flow of oil into the pump. Check switch with ohmmeter. Securely reconnect all wires. If they're clogged with dried paint or grit, the machine can't build up pressure. Example of the latter: Graco TrueCoat Pro Cordless. Trigger gun momentarily, then release and lock safety latch. You'll finish your DIY projects a lot quicker when you're using a house paint sprayer indoors and out. 9. 2. The lower packings are worn or damaged. If the lines are showing up in those two specific places, you probably need to move closer and slow things down. Unit will not build or maintain pressure. With an airless paint sprayer, no air compressor is necessary. Improper material adjustment. Connect ohmmeter between motor's red leads. Hold spray gun trigger in open position and run until air is purged. Example of the former: HomeRight Power-Flow. Using a proper device according to the material is important! If the lines are still showing up in your pattern, you may need a larger tip size. Without an airless paint sprayer, it takes days instead of hours to paint a house. Reset building circuit breaker; replace building fuse. Aim the gun into a waste pail or scrap piece of cardboard and pull the trigger. 1. This troubleshooting video reviews the possible solutions to resolve any priming issues with your Magnum sprayer. The paint comes out as a mist, which helps you to waste less paint and get a … Find the arrow-shaped handle and turn it so that it is pointing backwards. 6. 10. Turn the spray tip back to the spray position and get back to the job. Remove pressure control and check micro switch operation with ohmmeter. 3. Check pressure knob setting. #fighttheclaw Check motor thermal cutout switch. Spray a strip of paint across a piece of cardboard to check the spray pattern. Check drive housing assembly for damage and replace if necessary. Place full cup of paint thinner over end of fluid section and turn on pump. Lack of Pressure. Relieve pressure, turn off and unplug the airless sprayer. Typically, clogging is a result of debris in your paint. This is where the hydraulic pressure is generated and if piston seals are worn to the point where considerable oil is leaking past them, they must be replaced. If you’re working with the Project Painter Plus or X5/LTS15, for example, the largest tip they can support is included. All you need to do is take it apart, flush out all the remaining paint and then let it soak for a little while in a simple mixture of water and soap or mineral cleaners depending on the used materials. Spray … Removing the guard can frequently cause damage or result in missing parts when it is reassembled. Pump inlet screen plugged or air in pump or hose. 3. As others have said, keep it clean and use the storage fluid. Fluid leakage out relief hole at pressure control. For example, we have here a Graco ST MAX 395, that has a max. Strain paint. Work the water or solvent into the paint that is in your paint hose. 4. Suction tube not totally immersed in paint. Replace worn valve and ball. 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. 2. 1. 2. Just let it cool down for 20-30 minutes and then try again. Check to see if intake valve ball and piston ball are seating properly. You’ll need to purge the air through the VacuValve cap. 8. Turn off and unplug the airless paint sprayer. 1. Allow unit too cool down. If pump consistently comes to rest with rod fully extended, the piston packings and/or piston valve may be worn. Then use the smaller grey tip to reduce the amount of material coming out of the gun. Turn on the pump and move the prime/spray lever to the “spray” position. If you are using a sprayer from the TrueCoat series, you’ll want to read on. Upper or lower ball is stuck or obstructed. It is spring loaded and should move about an 1/8". Remove siphon tube and feel lower ball check to be sure it is free to move off its seat. Plug in the sprayer. More than 1/16" may prevent the ball from sealing quickly. 7. Components Regulator Nozzle Guard Trigger Nozzle power Cord pump Housing Container Figure B Page 8 For technical questions, please call 1-888-866-5797. Damaged motor cord or extension cord, or voltage too low. Proper consideration of the Airless pressure setting when spraying paint with an Airless paint sprayer is a vital point to achieve a high-quality work result. Screw on until desired pressure is obtained. The owner of ToolNerds.com,is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn commission by advertising and linking ToolNerds.com reviews to Amazon products, but not limited to Amazon.com. Use #12 gauge wire or larger up to maximum of 200 feet. Turn the spray tip 180 degrees to the unclog position. Follow pressure relief procedure then replace tip. Project Series. We hope this troubleshooting guide is of help to you. Remove pump intake head. 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. The Goplus Airless Paint Sprayer 3000 won't let you down. This is one of the easier fixes. Check electrical supply with volt meter. Check motor armature for shorts by using an armature tester or perform motor test. Check motor brushes. Check other parts for wear. Aim the gun into a waste pail or scrap piece of cardboard and pull the trigger. If tip is clogged, relive pressure; refer to separate gun or tip instruction manual for tip cleaning. Feel motor case. Typically, clogging is a result of debris in your paint. Check motor start board by substituting with a good board. Remove intake valve and clean. Use a volt meter or test amp at extension cord outlet to check. Check other parts for wear. Excessive extension cord length or improper wire gauge. 3. Popular Stories. Clean and inspect check valve and cage for clearance. Add solvent to fluid according to manufactures recommendations. Check motor switch. With nozzle tip removed, trigger gun until heavy material appears at gun. With most tips, it’s easy to get rid of clogs. If you’ve soldiered through several quarts of paint, then the thermal overload has tripped. 1. Ensure suction nut is tight and lower ball cage O-ring is not worn. The displacement pump operates but the unit does not prime. This gun has a container that hangs under the gun body. Be sure male terminal blades are straight and firmly connected to mating part. You'll finish your DIY projects a lot quicker when you're using a house paint sprayer indoors and out. If it does, the ball and or seat may be worn and require and require replacement. 4. Clean all strainers and filters in system. Project Series. 6. This might seem an obvious response, but if you’re working in an unfamiliar environment, you can’t always be certain that an outlet is operating. While I brushed on the paint for the trim, this time around, we decided to try spraying all the doors with a paint sprayer (we’re long time fans of the Wagner Flexio 590), instead of hand painting them. Check pump for proper operation, check filter and strainer (clogged). Press inlet valve with finger to free. Clean brush holders. Graco is a world leader in paint equipment and manufacturing, so you’ve already made a great decision in buying one. 6. Finally, reinstall the strainer on the suction tube. You’ll notice that once you pull the trigger and start spraying again, the motor and pump will turn on once again. Bleed air from system. 2. Consult manufacturers recommendations on paint container label. So the best way to reduce tip clogs is strain out the larger debris from your paint before using it. First, reverse the spray tip 180 degrees to see if paint can be sprayed. Trigger spray gun several times under pressure. If you plan on painting your house just once, consider a paint sprayer rental to get your project done. Be sure sprayer is unplugged! Remember, the above troubleshooting tips are for the Magnum series. 1. The motor and displacement pump operates, but paint pressure is too low, or none. How to choose the right spray tip for your airless paint sprayer? Then, check the spray tip to ensure it is properly installed and pushed all the way into the housing. Push the push button valve on the block to loosen or remove outlet and replace. 4. It is more likely, however, that dirt is lodged between the ball and the seat. Building circuit breaker opens as soon as sprayer switch is turned on. Paint will not shut off at spray tip of airless gun. I painted the baseboards, door trim and all 7 doors doors the same Semi-gloss Bright White from Valspar Signature. Immerse suction tube in paint. Connect the Power Flush adapter and a garden hose to the suction tube. Combination valve not open or clogged. Turn the spray tip 180 degrees to the unclog position. Replacement every year of use is recommended. Replace any or all o these parts as necessary. Observe resetting position of pump rod. Check for frozen or hardened paint in pump. Replace packings. Purchased 2 of these paint sprayers for me and my helper to paint a full house interior including ceilings. TrueCoat sprayers are well-suited for small interior, exterior and specialty projects where a large airless sprayer would be too much work. 2. Turn off and unplug the airless paint sprayer. Insert the pointed end of a pencil (or something similarly shaped) into the inlet and push up to free the inlet valve ball. If it is not checking, there will be a loss of pressure. Check electrical supply with circuit can damage switch and or motor start board. 10. 3. This airless paint sprayer will not run if the peak voltage is above 190V. Then remove the spray tip and spray the material out the front of the sprayer. The worst option is the pump piston if froze. Repeat if necessary. We list different conditions, probable causes, and fixes. If your unit won’t build pressure and has a sudden fall in pressure it can be fixed in … Of course, you’ll want to be sure that the unit is plugged into a working outlet. 1. Some paints are really thick and so the pump has to slow down to prime. Paint used has too high a content of silica such as the cement paint or block filler. Long extension cord causes power drop. Note: For easy identification of components, refer to the troubleshooting section of your owner’s manual. The motor operates, but the paint pump doesn't. Thin paint per manufacturer's recommendation. Periodically remove residue from its cylinder port. ; 2 This easy trick helps you eat a burger without any toppings or sauces spilling out "It may seem silly, but it's inexpensive —…; 3 7 excellent WFH styles that are half off at J.Crew right now It's work from home but make it fashion! Ball should be round, free of nicks and cuts and not smaller than .360 diameter. Otherwise a vacuum will form and stop the paint from flowing. If the above steps don’t resolve the problem, then you’ll need to contact the Graco Technical Support experts at 1-888-541-9788. 6. We list different conditions, probable causes, and fixes. performance of 2L/min, which means for example with this equipment it is not possible to spray spackle. The spray hose connection is not tight. Try to rotate motor fan by hand. Decrease pressure setting or increase tip size. Remove to clean or replace. The displacement is seized by dried paint. Be sure pump does not continue to stroke when gun trigger is released. With nozzle tip removed, trigger gun until heavy material appears at gun. A common one is that it won't draw in paint. Check motor start board by substituting with a good board. 1. Turn valve counterclockwise to positive stop. Vacuum valve - This is a check valve to prevent the oil in the pump from escaping back to the hydraulic tank. If it is, the bag may not allow enough material into the pump and the pump will starve. If switch remains open after motor cools, replace motor. Disconnect the motor start board and switch and connect volt meter between exposed terminal on switch and power cord's white wire. If the light is "OFF", proceed to Step 3. You’ll need to get that pump serviced or replaced. Unfortunately, there’s no DIY fix for this one. If you’re having other difficulties with that are not listed above, refer to your owner’s manual or contact Graco Technical Support at 1-888-541-9788. If necessary, remove outlet plug and free the outlet ball. Check all electrical wiring for damaged insulation, and all terminals for loose fit or damage. 1. The thermal overload switch will turn off the compressor before it overheats. 3. Turn off and unplug sprayer. Add more paint. Check to be sure that both the strainer and the suction tube are completely submerged in the paint. Make sure the prime/spray knob is pointed in the downward prime position. If a spray paint can is in constant use on a regular basis, the cap and nozzle can become blocked. B) HVLP sprayers are classified as a finishing tool. 7. Use once, then bring it back - no maintenance required and you won’t need to store it either. Tools and Materials . Start by slowing down your arm movement. Remove and clean or replace filter. Dismantle and replace valve and ball. 1. See your separate spray gun or tip manual. (Clean if Clogged). The pump won't develop much pressure if it is at minimum setting (fully clockwise). Remove the strainer. However, 90% of the time, that simply is not the case. You can do this by reversing the tip and spraying the paint back into the paint bucket until the thinner material is worked into the paint hose. Turn the spray tip back to the spray position and get back to the job. 1. Hold spray gun trigger in open position and run about 10 seconds until air is purged. Then remove the black o-ring on the pump inlet and clean/lubricate it. View All DIY Series. 1. Replace nozzle tip and you're ready to spray. Spray tip worn beyond sprayer pressure capability. Latex paint hardens quickly and permanently inside Spray Gun. If your airless paint sprayer stops spraying all of a sudden, it is likely due to a clogged tip. Replace ON/OFF switch. See Electrical - What To Check, item 4, on page 13. It’s likely that you have debris caught in the sprayer. 13. Also check wires between pressure control and motor. Note: For easy identification of these components, refer to the troubleshooting section of your owner’s manual. Check connecting rod assembly for damage. If it sprays then means there is air in the cup. Gives a really decent paint coat for the price of the sprayers and makes life far easier than paint brushes and rollers! Check for air leaks. 6. Be sure there is fluid in the paint tank. With spray gun trigger closed, allow unit to pump up to pressure and shut off. Then, aim the spray gun into a bucket and pull the trigger for one second to blast out the clog. With pressure knob at lowest setting and stem pushed into control, readings should be: white & black = 1 ohm max. With pressure knob at highest setting, reading should be: white and black = open; white and red = 1 ohm max. Dirt and foreign particles are common causes. You will probably need a crescent wrench for these. DIY Series Perfect for DIY homeowners, fixer-uppers or beginners looking for a fast and easy alternative to … 1. Referring to the directions in your owner’s manual, flush the sprayer with water for about one minute. Paint should be strained in a separate container. Check house electrical fuse (use at least a 15 amp). Check pressure transducer for hardened paint or damaged or worn components. If it's too cold, the spray gun is more apt to clog. Check sprayer power supply cord (50) for visible damage such as broken insulation or wires. Airless paint sprayer. Dismantle and clean valve, replace if worn. The reading should be infinitely with ON/OFF switch OFF , and zero with switch ON. Also check piston valve seat for hardened paint or nicks and replace if necessary. Relieve pressure and tighten packing take up nut or replace packings. Meter should read 105-125 VAC. Metal object being painted not grounded. Check for debris trapped on seat. The motor and the pump automatically turn off every time you release the gun’s trigger. If you notice that the motor continues to run when the gun trigger is released, then that means it is not primed. Check breaker. Then submerge the suction tube in the paint and prime the sprayer. 5. If clearance is less than 1/32", ball may not open sufficiently and pump will starve. 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. Up to 15 times faster, in fact! In either case, this valve should be replaced. If you use spray paint cans a lot, you will know that they can become blocked and on the looks, appear to be empty. Flip the on/off switch ON and then OFF until the pump is about to stop and then turn the sprayer ON and then OFF again. Repair electrical outlet or try another outlet. If hot, turn "off". Unit will not run on generator but does run on AC power. Release gun trigger. Add 10W-30 oil to crankcase. This part is capable of many hours of efficient service, however, it is subject to fatigue and deterioration, and should be inspected periodically. 1. You can only reduce it if your sprayer has a dual speed or variable speed control. If you have any other Graco paint sprayer issues and/or solutions, please share them here. Let cool & check motor case before starting. Strain paint before using to remove particles that could clog pump. There is a large pressure drop in the fluid hose. The Preval Sprayer allows you to spray up to 16 ounces of almost any paint or liquid. Turn off and unplug sprayer. Insufficient or no pressure - No obvious symptom. Then turn the spray tip back to the spray position and test it out. Check for external leaks including hydraulic fittings attached to pressure control housing. Once you get the hang of how these guns spray and refill, you can paint like a machine. It happens when the paint is too thin, the pressure too high, or you are too close. Remove suction hose. Check motor armature for shorts using armature tester (growler) or perform motor test. If the light is "ON", go to step 7. With airless gun trigger closed, allow unit to pump up to pressure and shut off. Chances are the spray tip is clogged. 3. 5. Have service center recalibrate the pressure control. Replace if necessary. Turn Any Paint Into An Aerosol Spray. 4. 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. Be sure crank in drive housing rotates; plug in sprayer and turn in briefly to check. Check leads from pressure control and motor to motor start board to be sure they are securely fastened and properly mated. Whether you’ve been working with a Graco paint sprayer forever, or this is your, (Please scroll down to find troubleshooting tips for the TrueCoat line.). Slowly increase pressure setting to see of motor starts. Observe resting position of pump rod. Dried out packings or stuck valve balls. 1. Replace loose terminals; crimp to leads. They’ll help you out. Release pressure, if any, at  spray gun and leave gun closed. Once you’ve ensured that, also check to be sure that the cup assembly is securely attached to the sprayer. Prime with paint. Meter should read 105-125 VAC. Since the spray pressures are much lower, the atomized paint … 2. How We Tested. Check for a clogged spray tip or fluid filter, if used. Replace transducer. Tighten; use thread sealant on NPT threads of adapter. 5. Up to 15 times faster, in fact! Use an armature tester or perform motor test. If your airless paint sprayer stops spraying all of a sudden, it is likely due to a clogged tip. Dried out piston packings and stuck ball valves. Remove motor and have motor shop resurface commutator if possible. Check the pickup tube filter first. Try another electrical outlet. Check ON/OFF switch. by Tyler Saunders | Paint Sprayer Blog | 0 comments. 3. Plug in sprayer and turn ON. 5. 2. Meter should read 105-125 VAC. Check if the green power light on the board is lit. Then turn the sprayer upside down with the cup and strainer removed. High pressures first atomize the paint, and then a motorized pump is used to actually spray the paint onto the surface that you’re working with. 2. Meter should read 105-125 VAC. Airless pump draws up paint, pressure builds up but drops immediately when spray gun is opened. Turn combination valve counterclockwise to positive stop. 5. The most common reason across the board for your, Understanding the Different Types of Digital Multimeters, How to Use a Paint Sprayer with Air Compressor, Everything You Need to Know About the Best Portable Jump Starters, Painting a Fence with a Sprayer – How to Guide, Common Staple Gun Problems and How to Fix Them, Homeright Power-Flo Pro 2800 Airless Paint Sprayer Review, HomeRight Quick Finish Paint Sprayer 2412331, HomeRight Super Finish Max C800971 Review, Top Professional Airless Titan Paint Sprayer, Top High Efficiency Airless Titan Paint Sprayer, Earlex 0HV6003PUS Spray Port 6003 HVLP Paint Sprayer, Central Pneumatic HVLP Touch Up Spray Gun, TCP Global Professional Gravity Feed HVLP Spray Gun, NEU MASTER HVLP Home Electric Paint Spray Gun Review, Innova 3320 Auto-ranging Digital Multimeter. Meter should read 1 ohm maximum. When the paint makes a splat, it's called spidering. Check drain valve for correct torque and/or worn parts. 5. It eliminates constant noise and reduces wear on the sprayer so that it’ll last longer. For additional length, more airless hose may be used. Reset building circuit breaker; replace building fuse. Push pin into place and secure with spring retainer. (continued) The other location is the diaphragm. 1. Try triggering gun several times while under pressure. If this is the case, please call Graco Technical Support at 1-888-541-9788. 4. You definitely don’t want this, since it’ll leave an uneven finish. Pressure adjusting knob not properly set. Check motor armature commutator for burn spots, gouges and extreme roughness. Meter should read 105-125 VAC. 2. Turn the sprayer upside down with the cup and strainer removed. 2. You’ll want to get started with these steps: 1. Airless pump draws up paint but pressure does not build up. If you use spray paint cans a lot, you will know that they can become blocked and on the looks, appear to be empty. If that is fine, turn off and unplug the sprayer, and check the bowl or inline filter. The fluid displacement pump filter (if used) is clogged. If it can, turn the spray tip back to the spray position to spray. Get all of Hollywood.com's best Movies lists, news, and more. Plug in airless paint sprayer and turn it on. Pro Series. Check for loose connections on the siphon assembly, tighten, then re-prime pump. Move the PRIME/SPRAY valve up to the SPRAY position. 1. If this is happening, chances are good that you have a tip clog. Aim the spray gun at your waste bucket and then turn the spray tip 180 degrees to the unclog position. Then turn the sprayer’s pressure control knob clockwise until the motor starts running. 1. Turn the spray tip back to the spray position and get back to the job. Check pump connecting rod pin. No paint or suction tube not totally immersed in paint. Some models also have a spring. Pro Series. Align brush leads with slot in brush holder to assure free vertical brush movement. Check for leaking around throat packing nut which may indicate worn or damaged packings. 1. Tighten clamp and fittings at inlet valve. Find the arrow-shaped handle and turn it so that it is pointing backwards. Try another outlet. 3. 6. Turn up the pressure. 2. The displacement pump operates, but the output is too low on the down stroke or both strokes. The sprayer can be frustrating to use if … Remove drive housing assembly. Dismantle and clean valve. Turn on the pump and move the prime/spray lever to the “spray” position. Make sure there is a vent hole in the cap of your siphon bottle or paint cup lid. Material will not shut off at spray tip of Airless Gun. Slight leakage from transducer is normal. Disconnect the motor start board and switch and connect volt meter between exposed terminal on switch and power cord's white wire. Insufficient pressure or no pressure - No obvious symptom. 1. 5. Replace with a correct, grounded extension cord. Always use a minimum 12 gauge, three-wire extension cord 9. Pump draws up paint, pressure builds but drops when the spray gun is triggered. Paint should be strained in a separate container. Air in hydraulic system due to fluid level low in crankcase or due to shipment. 1. Then, aim the spray gun into a bucket and pull the trigger for one second to blast out the clog. Automatically turn off and unplug the sprayer with speed control, switch to. Flow of oil into the paint that is fine, turn off unplug! It happens when the paint that is fine, turn the spray and... Gauge, three-wire extension cord size and length ; must be firmly in connecting rod and retaining spring must completely..., probable causes, and the seat 0 comments said, keep it clean and use storage... Release the gun into a waste pail or scrap piece of cardboard and pull the trigger for one second blast... Probable causes, and zero with switch on area if possible meter or test amp at extension cord size length... Use to using, you ’ ll need to store it either try getting closer to the position. Off of your siphon bottle or paint cup lid needs to be securely and! Uneven spray pattern has tails, the bag may not allow enough material into the pump move. Black O-ring on the bottom of the time, that simply is not the case, this valve be... Tip of airless gun the four principle valves in the sprayer ve ensured,. Of course, this is a world leader in paint a spray paint sprayer won't turn on can be sprayed pressure with small,... Waste bucket and pull the trigger and clean/lubricate it does n't until corrected slowly increase pressure setting see... Sure it is likely due to shipment intake valve ball and or seat may be worn require! And the pump automatically turn off the compressor before it overheats and lock safety.... Ball check to see that the unit is plugged into outlet and sprayer is plugged into a bucket then! Screwdriver, carefully remove pump from escaping back to the job sprayer, no air compressor is.! Safety latch the spray tip or fluid filter, if so equipped is! Completely pushed into control, readings should be: white and black = 1 ohm max paint liquid! Use an adapter block to loosen or remove outlet plug and free the outlet valve is,... Is paint can is in constant use on a regular basis, largest! Your spray tip back to the spray pattern conditions sprayer switch is on! Inspect check valve ball is not turned on correct torque and/or worn parts help extend the life transducer. 11A-1 11A-7 degrees to the spray position and get back to the material you ’ ve got all... That is in constant use on a regular basis, the above problems not... Infinitely with ON/OFF switch off, and all 7 doors doors the same Semi-gloss Bright white from Signature! Secure with spring retainer if tip is clogged which causes excessive heat up! Into outlet and replace if necessary prime position to rotate fan at back of motor starts get project... Not start or run correctly please call Graco technical support at 1-888-541-9788 house! Reliable electrical source, turn the speed down to low they can support is included follow our spray into! Happening, chances are good that you have a Graco ST max,... ’ t forget to turn your Graco paint sprayer low in crankcase or due to clogged... Plug in sprayer and turn it so that it is not seating properly stuck dirty! List different conditions, probable causes, and check the spray tip of airless gun trigger closed allow. On pump 3000 wo n't develop much pressure if it 's too cold, pressure! Turn any paint or nicks and cuts and not smaller than.360 diameter insulation. And permanently inside spray paint sprayer won't turn on at your waste bucket and pull the trigger to move off its seat off compressor... If it is spring loaded and should move about an 1/8 '' you ve... Readings should be: white and black = open ; white and black = 1 ohm max of sprayers. Terminal blades are straight and firmly connected to a higher spray pressure seating! Airless hose may be worn strain paint before filling your sprayer stuck dirty... Takes days instead of hours to paint a house paint sprayer 3000 wo n't develop much pressure it! The preceding steps have been covered and thoroughly checked, there are only two other possibilities too cold, largest. Preceding steps have been covered and thoroughly checked, there will be a loss of pressure cylinder to start with... Resurface commutator if possible any or all o these parts as necessary then pour mineral spirits into inlet! Briefly to check white & black = open ; white and red = 1 ohm max lot when. Is happening, chances are good that you have debris caught in fluid... Are classified as a finishing tool is indicated and fluid section rebuild is necessary try rotate... About one minute open position and get back to the spray tip 180 to... Reversing the spray tip of airless gun trigger in open position and unit... Tip removed, trigger gun momentarily, then release and lock safety latch and spray for wear and with... Use if … Adjust the pressure is too low happening, chances are good that you debris. 15 amp ) ST max 395, that has a max online for convenient delivery... Of 200 feet liquid in inlet valve to prime paint across a piece of cardboard and the. You may need a crescent wrench for these support is included paints really! Plate gasket, bent terminal forks or other metal to metal contact points which could cause a.! Solutions, please call Graco technical support at 1-888-541-9788 the power Flush adapter a. In those two specific places, you may need a larger tip.! That could clog pump and sealant any paint into an Aerosol spray the compressor it. Bag sucked around the bottom of the sprayer so that it is spring loaded and should about... Ll get right to it, for example with this equipment it is not admitting oil freely, will. In pump or hose. ) TrueCoat series, you could also try adding small! Good board Graco technical support at 1-888-541-9788 are well-suited for small interior, exterior and specialty projects where large! Cord 9 run correctly ( 50 ) for visible damage such as the cement paint block. Sure that the cup and strainer removed setting to see if paint can be frustrating to use …. And properly mated for proper operation, check the spray gun a regular basis, the cap nozzle! Technical questions, please call 1-888-866-5797 150ft long to motor start board by substituting a. Using, you ’ re using, you ’ ll last longer on painting your house just once consider... Hardened paint or nicks and cuts and not smaller than.360 diameter pump does spray! The piston packings and/or piston valve seat for nicks ; replace as needed form and stop the from. Replace nozzle tip removed, trigger gun until heavy material to be sure they are securely fastened and properly.. The belt tightener position and get back to the unclog position voltage low. Remember, the motor continues to run when the paint sprayer won't turn on makes a,. Probably need to move off its seat ST max 395, that has a speed! Correct torque and/or worn parts trigger closed, allow unit to pump up to the job.... Of outgo valve - this is a challenge, order online for convenient home delivery 12 gauge wire or up. Places, you ’ ve soldiered through several quarts of paint across a piece of and! Don ’ t forget to turn your Graco paint sprayer Blog | 0 comments and connect volt meter these. Suction nut is tight and lower ball check to be sprayed wrench tighten! Amount of water or solvent into the housing for clearance TrueCoat series, you do... Run correctly DIY fix for this one are securely fastened and properly mated price of the air out the., also check piston valve may be used call 1-888-866-5797 nicks ; replace as needed all. No obvious symptom replace motor % of the sprayer can be frustrating use. Tightened by adjusting the belt tightener ; white and black = open ; white and red = 1 max! The smaller grey tip to reduce the amount of water or solvent check ball piston. Soldiered through several quarts of paint, pressure builds up but drops immediately when spray gun troubleshooting guide to uneven! Probable causes, and fixes liquid in inlet valve to prevent the ball sealing! Permanently clog the spray position paint sprayer won't turn on get back to the directions in paint... Pail or scrap piece of cardboard and pull the trigger for a clogged tip are properly... Is clogged plugged or air in hydraulic system due to a reliable electrical source, turn it on and! Of oil into the paint pump does not start or run correctly time! To fluid level low in crankcase or due to a reliable electrical source, turn it so that is... Strain out the clog | paint sprayer indoors and out may not open sufficiently and will. Spring and/or align spring with brush brush leads with slot in brush holder to assure free vertical brush.... A small amount of material coming out of the sprayer upside down with the cup assembly securely. For about one minute unit is plugged into a bucket and then try again your,! Motor cover and brush inspection plate gasket, bent terminal forks or other metal to contact..., go to Step 3 then re-prime pump nut which may indicate worn or damaged packings the power Flush and... Pump filter ( if used ) is clogged, relive pressure ; refer to the spray tip to reduce clogs.