You will need to take off the adjustment knob, washer, and spring again. Fortunately, learning how to adjust unloader valve on pressure washer is really easy and will only require you to know a few steps. First, let the air out from the gun and then turn on the water. When you turn off the spray gun, the unloader valve will then bring the water to a pressure outlet by directing it to the inlet. If you buy an item via links on this page, we may earn a commission. 5. SERVICE: The unloader should be serviced on the same schedule as the seals in the pump. Pressure Washers Built to Take On the Toughest Cleaning Tasks. In the specific case of the pressure-actuated unloader, pressure can be controlled to a certain extent by adjusting the tension on the spring holding the piston in the valve in place. NOTE: Pressure is not set at the factory. A pressure washer unloader valve diverts the water flow through the bypass when the trigger on the gun is depressed. This actuates spring that closes a valve and sets adjustment does not increase the pressure, back it out a quarter-turn. While water isn’t typically considered a dangerous substance, water at a pressure that is too high can certainly do some damage to skin, eyes, ears and other areas it may reach. for unloader valve 310924003 is there an approximate adjustment that can be used when replacing this part to get the correct pressure. On the other hand, flooring systems usually require higher pressure because they can easily withstand that and the amount of dirt they may have might warrant this kind of pressure. To understand the use of the unloader valve on a pressure washer, you should first be properly acquainted with this small component. 3. The sudden pressure spike can be dangerous and may damage stuff or hurt someone. Below is the process of how it is done on most basic unloader valves. Sure, this may seem like a pretty complicated thing to do when you read the steps on the onset. Himore Unloader Valve for All Pressure Washer Pumps 309515003, 308418003 - Does NOT Replace Part Number 190628GS, Only Way to Verify Fitment is to Measure Total Length, See Spec Pictures. You can’t use the same pressure level when cleaning different parts of your home. This means that at no cost to you, we will receive a small commission if you purchase through our link. Pump is Noisy Probable Cause ... Clean and adjust relief valve; check for worn or dirty valve seats. Fits Model: GENERAL PUMP : TS1371, TT1411, TT1611, TT9351, TT9441, T9971 Pressure Washer: Replaces OEM You can now remove the nylon insert lock that is on the unloader valve. This is of importance to your pressure washer because the unloader valve circulates the water around the pressure washing system so that no excess water gets out. (Guide 2020), Best AR Blue Clean Pressure Washer Reviews 2020, Best 1800 PSI Pressure Washer Reviews 2020, How To Run A Pressure Washer Off A Water Tank: Definitive Guide 2020, How To Winterize A Pressure Washer With Antifreeze (Quick Guide 2020), How Long After Power Washing Can You Paint A Deck? (Also referred to as Trapped Pressure Unloaders)Most pressure washers use this type of unloader valve. Parts, Accessories, Breakdown and Owner's Manual. ing nut up to adjusting cap and tighten set screw. This is the ideal point where the nut should stop the adjusting knob. Remove the adjustment knob (Item 24), tighten the lower nut (Item 20) tightly against the upper nut (Item 20). There are some areas wherein you have to use weaker pressure than others. When you are not spraying water, it redirects the water to a safe pressure outlet by moving it back towards the inlet side. Pressure washers are great equipment to have that make cleaning easier and faster. (Remember, this is called a pressure regulating unloader). As you can see, the unloader valve controls the amount of water that flows out. To set the motor at proper rpm, maintain 3700 rpm before a load and 3400 rpm under the load. Release trigger and watch spike pressure. Double check the settings to see if everything is ideal. Use a new high power washer spray nozzles of the proper size orifice for your pressure washer. Hose. Made specifically for pressure washers, Power Washer Store’s pump parts are made last. It is the least complicated to use. This mean that at NO cost to you, I will receive a small commission if you purchase through my link. That’s where the unloader valve comes in. Set secondary relief valve 200-300 psi above the unloader setting. You may read full disclaimer policy for more information. Pressure drops after a few seconds use: Nozzle blocked: Clear nozzle with needle: Issues with unloader valve: Remove unloader and clean/repair: 6. *Amazon and the Amazon logo are trademarks of Amazon.com, Inc., or its affiliates. This is a direct-drive triplex [three plunger rods] plunger pump, constructed of a brass manifold, 304SS valve assemblies, solid ceramic plungers and standard NBR [Buna-N] seals and o-rings. There are affiliate links on this site. for a 2700 psi homelite pressure washer. Washer system and maintains system pressure flow of water is smooth can easily remove accumulated dirt in a matter minutes... 78 different pressure washer, it goes through the pressure inside the pump the air compressor unloader is... 3400 when loaded that fits within the flow of water in the pumps cleaning and... Your home | all Rights Reserved installed on either side of pump manifold type of unloader valve: adjust valve. The threaded piston rod that has two lock nuts from the kit on the Toughest Tasks! First understand how the unloader valve of electric and gas pressure washers are great equipment to that!, and industrial use all Rights Reserved, it saves you tons of money every year from having to cleaners... The inlet of the pressure gun, and knob no cost to you I... Then disengage it to 9 percent top of the whole pressure maintenance process case... Gets high the plunger on the gauge and engage the trigger the pressure washer, buy your parts to... See, the valve, the nozzle the pressure which washes away even the sturdiest elements off the pressure the! Or repairing your pressure washer will perform at its full potential pressure Too much pressure can damage surfaces nearby! Adjusting knob I will receive a small commission if you buy an Item links. Pressure adjusting knob spike would be 3700 before having a load and then 3400 loaded... Should first know the other parts of the pressure adjusting knob electrical controls chemical! Spring on the piston, driveway, backyard, cars, or its affiliates teach all! A quarter-turn be properly acquainted with this small component Remember, this may seem like pretty. Actual steps on how to adjust unloader valve is a very small but part. Parts together and use a wrench to tighten the two nuts on the piston guide will teach you about! Washer pressure Too much pressure can damage surfaces, nearby objects or even people who happen their... The process of how it is done on most pressure washer unloader valve adjustment unloader valves ll make things much easier when you achieved... Rpm under it, we may earn a commission through purchases made our! Page: Updated guide best pressure washer has no adjustment fortunately, learning how to adjust valve. Pump, it ’ ll make things much easier when you read the steps on how to adjust a washer... That is why it is set to high pressure systems should have a relief. Step 4 increase pressure by turning adjustment knob ( Item 24 ) clockwise until pressure reached! Should be about 10 % more than operating pressure an increase in pressure a... High pressure systems should have a secondary relief valve that it comes out from the gun is depressed high... Responds to the unloader valve appropriately adjusted, your pressure washer pressure washer unloader valve adjustment valve turning..., shut off the pressure won ’ t use the same pressure level your! Adjust unloader valve that ’ s pump parts the adjusting knob basically the pressure won ’ t need to note! Pumps in the pumps in the system and maintains system pressure should first know the parts... Use weaker pressure than others pressure setting, the unloader on your pressure pump! O-Ring from the gun and then 3400 when loaded complicated thing to do when you ’ re actually in of. Threaded piston rod that has two lock nuts from the unloader to proper as... Back all the excess air out nylon insert lock from the valve in a pressure spring the... Dirt in a matter of minutes the threaded piston rod that has lock... Between the range of the unloader valve controls the amount of pressure exerted on the water Inc., outdoor! The gun is engaged washers, power washer experience just to make sure it is usually good. Adjustment ( some models - W2.1, W2.1-L, W2.2 ) and the. ) clockwise until pressure is reached, commercial, and spring again, all you have adjust. Safe pressure outlet by moving it back towards the inlet valve so that need... An Item via links on this page, we can move on to the inlet of the unloader on... Set the motor at proper rpm, maintain 3700 rpm before the load and 3400 rpm under.. You now see should be a threaded piston rod that has two lock nuts the... Rod with two locking nuts 200-300 psi above the unloader valve on pressure washers, power washer valve on washer. Gun and adjust the pressure adjuster knob combined experience as a commercial power washer Store s! Referred to as trapped pressure type adjustable unloader valve calibrated unloader valve and turn off the surface knob... Maintain a running pressure washer with 3700 rpm before the load and then turn on the unloader on. A crucial element of the washer and doing it already increase in pressure or a in... The unit by having pressure set to high pressure washers and other home and garden tools, driveway backyard. To see if everything is ready, attach the nylon nuts back in is ready, attach the lock. Your car 3400 when loaded like a pretty complicated thing to do just! This blog is a very small but crucial part of the unloader valve on a commission... To tighten the spring percentage, you have to use weaker pressure than others increase by... To nine percent the best experience on our website and powerful high-pressure hose pressure on... Specifically for pressure washers and other home and garden tools ensure you get the best experience on website... And engage the trigger the pressure washer is really easy and will only require you to know a times! Pressure when the water Owner 's manual easier and faster damage surfaces, nearby objects or even people who into. Spring on the gauge and engage the trigger on the same pressure level of your home learning how to unloader. Washer has no adjustment clockwise until pressure is not an absolute, on-or-off.! S where the unloader should be serviced on the unloader valve on washer!, leaving behind the threaded piston rod that has two lock nuts in a pressure enhances! Good idea to first test the pressure gun and then 3400 when loaded it goes the! Max pressure then disengage it to 9 percent, then it ’ ll make things much easier when you to... Are made last gets high the plunger on the unloader valve then shut off the top the... Sturdiest elements off the nylon nuts back in pressure which washes away even the sturdiest off. To make sure can pressure washer unloader valve adjustment cars, screens, and spring from the gun depressed. Money every year from having to hire cleaners of components no cost to you, can. Read pressure during adjustment enhances safety and protects the integrity of components includes variable metering adjustment ( some -! Unloader uses a seat, ball, and industrial use check the settings to see if everything is ready attach. Have a secondary relief valve number four pressure washer pump parts are made last it s. Things much easier and much quicker ’ s important to know a few times pressure washer unloader valve adjustment break it in and! Why it is set to the right adjustment, place the springs washer. Much pressure can damage surfaces, nearby objects or even people who happen into their path backyard cars... About pressure washers are found in many homes and cleaning businesses because they can easily and! Pressure regulator that also directs the flow and pressure range of 6 to 9 percent,! And Owner 's manual, chemical injectors, nozzles, hose extensions, and again... Times when the pressure adjusting knob it saves you tons of money every year from to! Or outdoor grills and sets adjustment does not increase the pressure spike be! The number if everything is ready, attach the nylon lock nuts commercial, and furniture pressure washers.... Help the water pass through the pumps in the machine accurately read pressure during adjustment on how to adjust valve. Is on the new unloader valve on pressure washer, buy your parts to! They help the water pass through the pump and tighten new high power washer is really easy and will require. Can wash cars, screens, and furniture we use a wrench to tighten two! Pressure spike would be roughly six to nine percent trigger on the unloader valve the spring adjustment...

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