Question about Dewalt DPD3100 Gas Pressure Washer

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The trigger on the wand does not work. Water comes out of the wand automatically.

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  • 8 Answers

What's the rating on gun? Sounds like the gallon per minute volume may be too great.

Posted on May 27, 2010

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Posted on Jan 02, 2017

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1 Answer

Karcher electric power washer480 .pump runs on when trigger is released there are no leaks . Also i can not turn machine off at the main switch.


If you are unable to shut off the pressure from the wand, there may be an issue with the unloader valve that is stopping it from switching into bypass mode when the trigger wand is released. The unloader valve is designed to respond to the spike in pressure created when the trigger wand is released, and to divert the flow of water coming from the pump to bypass the pressure hose and flow back into the intake end of the pump. If the unloader valve fails to switch into bypass mode, water may continue to flow out of the trigger wand. This may also cause damage to the wand. If you are unable to shut off the pressure from your power washer, stop the engine and discontinue use immediately. The unloader valve should be removed and possibly replaced if found to be malfunctioning. The inability to stop the flow of high-pressure water from the wand can be dangerous and should be fixed before continuing to use the machine.

Dec 28, 2017 | Karcher Garden

1 Answer

Water to pressure washer but no further


Did you check to see if the wand is any good? Connect the hose to washer, and turn on water. With wand connected hit the trigger. Water should come out - if not the wand is bogus

Aug 25, 2017 | Washing Machines

1 Answer

Engine is running faster than normal & causing spray to come the wand without pulling trigger?


Trigger for wand needs replacing, water bypassing it and not allowing pressure build up enough to close pressure switch, allowing engine to go back in idle

Sep 16, 2015 | Garden

1 Answer

Stanley motorised pressure washer. Cant get the water to flow


Disconnect the wand from the washer if you get water coming out of the discharge, the problem is in your wand or the line is plugged going to the wand.

Feb 27, 2015 | Stanley Garden

1 Answer

My pressure washer will not gain pressure. What will cause this problem?


Make sure water supply is ok, make sure screen is clean, try all the different tips, make sure they are seated correctly. Water should come out of the hand wand even if not under pressure, this shows the wand handle is working, so if water come out it's not the trigger handle. You can remove the wand hose, wand handle and see if there is any obstructions also.

This can also be a stuck check valve, you might need to have it serviced.

Apr 12, 2013 | Garden

1 Answer

Black and decker electric power washer nothing coming out of wand all water coming out trigger.


Either the pressure tip or wand are blocked or the valve in the trigger is broken. Remove the high pressure tip and either try another tip or pull the trigger without a tip on the wand to see if you have the same problem. If available, try another pressure gun on the hose.

Jul 25, 2012 | Garden

2 Answers

As soon as I turn the water on, it comes out of the gun and high pressure turbo wand even with the machine off. I used it yesterday with no problems. It does this without even pressing the trigger. ...


Hello,
This part should be available from the manufacture, have you check their website. It is normal when you turn the water on for a small string of water to come out the gun when you press the trigger even when the engine is not running.
Thanks

Jun 03, 2011 | Black & Decker 1700 PSI Electric Pressure...

1 Answer

My Snap-On 2000 PSI pressure washer is leaking through the trigger handle. I have no pressure coming out of the wand but the motor runs.


The fitting for the trigger is cracked. It happened to mine because I did not make sure the wand and hose was drained before winter came. The water left in the wand expanded and cracked the trigger housing. The problem is that the trigger piece is easily replaceable, but it is not available. Alltrade makes you buy the complete wand.

May 12, 2011 | Garden

2 Answers

Shuts off when high pressure wand is attached


Hi Brian. Welcome to FixYa I am Kelly. This sounds as if the bypass / unloader valve is stuck in place and the pump id dead heading causing the unit to shut off. (There is most likely some corrosion in the unloader / bypassy valve assy / housing. What you can try is pouring at least 3 oz of oil into the water inlet assy and briefly.... like VERY briefly switch the unit on then back off. Then let it sit over night. The next day connect everything for normal use then turn the unit on again briefly. Use a bucket to PURGE the oil that you put through the system by squeezing the wand Power SW Off until the oil purges. Then switch the unit on and rapidly trip the trigger at 0.5 sec intervals or less. If it trips off wait 5 mins and try it again. Do the rapidly tripping the trigger on the wand routine for about 20 seconds. Your forcing the bypass unloader valve to cycle trying to clear out any debris / corrosion.
This works often and well. There are exceptions. Hopefully it will work for you.

Thanks for using FixYa.

Kelly

May 07, 2010 | McCulloch FHH18A Electric Pressure Washer

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