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Dewalt 3000 psi pressure washer soap pickup wont pull from jug after replacing with new hose

Why will wassher not pull soap from jug even after new hose installed?

Posted by Anonymous on

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1383 Answers

SOURCE: I have a dewalt 3750

I worked at a tool rental center while attending college and learned many tips and tricks about Dewalt and other brand pressure sprayers. Your machine probably has a 13 hp honda and has max pressure of about 3500 to 3700 psi. Most of the problems that customers had were engine related due to severe working conditions including totally wet engine /plug, wet air filter, and or other problems that were easy to remedy. We would set the pressure regulator to minimum pressure and explained to the customer how to increase the pressure as necessary but only after the engine was completely warmed-up to running temp to prevent engine stall. Your machine has a throttle lever between the tank and carb that should be set to max if you are going to set pressure at or neer max range. Most cleaning jobs do not need much pressure. Use lowest pressure to get the job done. Your engine developes around 13hp at about 3600rpm. If you want to maximize the life of you sprayer, then use your machine at about 70% of capacity or about 2000 to 2500 range that will allow you to run your engine slower increasing lifespan. Your sprayer is likely rated at 4 gallons per minute so make sure that the tip is that capacity. The tip has the size stamped which would show the fan degree and flow in gpm. The wrong tip, say a 3.5 gpm will strain the engine to point of stop because the smaller tip increases pressure. Most engine stall is due to high pressure setting on new machines. Lower pressure when warming-up machine and use max pressure rarely when necessary to max life. Please email for other information/questions or simple tests to determine faulty parts, good luck.

Posted on Jan 30, 2009

  • 548 Answers

SOURCE: I have a 3000 psi karcher pressure washer with

sounds like you need a seal and bladder rebuild < if you liver in a cold environmet for winters please dont forget to winterize your washres every year before winter

Posted on Sep 15, 2009

  • 1 Answer

SOURCE: 2200 psi husky briggs and stratton pressure washer

After a long none use, I tried to wash my driveway and powered on the washer,it did, but when i tried to engage the power washer by pressing the wand lever, it did not engage. What can I do to get the power washer working?

Posted on Jan 30, 2010

  • 2841 Answers

SOURCE: New Troy-Bilt 3000 psi - Very Hard to Hot Start

When you run the unit and shut if off, release the pressure from the spray wand before trying to restart the engine. This built up pressure will cause it to be very hard to start as you have found out. If it does not start on the second pull release the pressure again. Another option is do do what I did on mine. I simply put a pull tie on the handle so I can pull the trigger back and use the pull tie to hold the trigger open. Make sure if you do this, that you remove the high pressure orifice from the end of the wand before attempting to start the engine. Otherwise the pressure will come on abruptly and could injure you or do property damage.

Posted on Apr 25, 2010

  • 1 Answer

SOURCE: My Husky pressure washer 2600 psi powered by a gcv

It sounds like the (RMW 2.2 G24) pump has gone out. Mine had this problem after about 6 hours of use. I was able to order a new pump for around $160.00, and then installed it myself. Go figure it was just out of warranty. I think my next pressure washer will be one with a professional pump as I was told the one on my husky is only rated for about 40 hours of use.

Posted on Aug 09, 2010

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1 Answer

Will not siphon


This model pressure washer will only siphon from the soap dispenser when you have the low-pressure nozzle attached and then will only sort of dribble out the suds. Good for sudsing, but no good for cleaning. You'll have to suds 1st then change to a highwe pressure spray nozzle to perform the actual cleaning. If it won't siphon with the low pressure nozzle either, then check for a blockage (old, dried soap) in the suction line tubing. Hope this helps!!

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A common mistake made when using the soap pickup function on pressure washers is to use one of the high pressure tips, usually green, white, yellow or red. If you are using one of these there will be too much back pressure in the line for the soap dispenser to work. You have to use the low pressure, soap tip, usually black, for this function to work.

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it only will pull soap with the large hole tip or no tip very low pressure

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The only way the washer will draw soap into the line is with either the black tip installed or with no tip in wand at all.There is a ball and spring inside of the pipe that the siphon hose hooks to so when you use the washer with alot or even a little pressure the ball is forced up and blockes off the soap inlet port.So if you use it with no tip in the inlet port is open cause the ball isnt being forced up by back pressure.I hope this makes sense.

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On most pressure washers you wont be able to draw soap/bleach into pump unless you are spraying on low pressure.There is a valve on the inside of inlet hose fitting that closes when high back pressure is sensed.Would it draw bleach into hose when wand tip is removed?

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Whe using the honda 3000 psi power washer, I've


Are you putting the soap nozzle on the end? Either that or depending on what type of nozzle you have, some times you pull out or push in the nozzle to switch it to soap.

There has to be no pressure to draw the soap, so you either have to put in the soap nozzle in, or if it has an adjustable end, set it to soap by pushing or pulling.

You cannot spray high pressure with soap unless your unit is equipped with another siphon hose for pressure soap.

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Most detergent injectors work by the venturi system. That is that the detergent is drawn into the stream by the forward flow of the water thru a very narrow port after the water passes thru the pump. This system works best when the pressure at the tip of the wand is low. Trying using a very large tip to draw in and apply the detergent, then remove injector and rinse with high pressure. Not good for the pump but to apply soap reliably under high pressure the soap needs to be injected through the intake of the pump. enjoy

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