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I have a Ryobi 3100psi pressure washer. At first I have great pressure out of the wand. But then after a minute or two, pressure decreases down to nothing.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 10 Answers

SOURCE: pressure washer stalls out when wand nozzle is released

common for not starting unless trigger engaged as you are turning the pump as well as engine creating pressure,as for stalling pump has unloader valve which is probably in need of grease(use good silicone grease)this allows water to ciculate when trigger released.

Posted on Apr 20, 2009

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  • 104 Answers

SOURCE: Karcher K 3.68M Electric Pressure Washer. Wand trigger Locks Up.

Sounds like the pressure valve is broken thats why you cant depress the trigger , the valve is on the pump , i would suggest taking it to a repair shop as they are fiddly things to fix

Posted on Jun 05, 2009

  • 18 Answers

SOURCE: cleaning solution isn't siphoning to washer wand

you need to use i believe the black tip where there in least pressure it does not work with pressure

Posted on Jun 27, 2009

  • 8 Answers

SOURCE: let go of wand trigger pressure will not come back

spill valve is stuck and needs to be cleaned and greased common problem....also check all connections for blockage in line

Posted on Jul 25, 2010

kel1guy2002
  • 3740 Answers

SOURCE: Where do you add the

Hi and welcome to FixYa, I am Kelly

From reading everything I can find, i.e User's manual & parts manual the only thing you add oil too is the engine. The pressure pump does not have a liquid sump.

You can look at parts here detail D:
http://www.ereplacementparts.com/dewalt-dpd3100-pressure-washer-parts-c-1009_7440_7445.html

So too add oil to the engine you would remove the dip stick from the crank case located on the opposite of the side of the engine as the oil sensor.

I recommend you use 30 WT SAE oil for 3 oil changes then on the 4th oil change use an HD 30 WT oil. The oil drain plug is located in the center of the side of the engine crank case base. On the 5th Oil change switch back to SAE 30 WT oil. Oil brands are not really important. They all have to meet SAE the same standards to carry the label of SAE. (Yes you can use a generic 30 WT SAE oil )
Thanks for choosing FixYa,
Kelly

Posted on Dec 07, 2010

Testimonial: "Thank you, Kelly! Since there are two plugs that look identical, and the drain plug isn't that obvious, it's really helpful to have your description! "

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1 Answer

What type of oil does ryobi honda 3100psi 2.5 pressure washer uses ?problem that Im having is machine starts ok but there is no pressure Do u think having no water pressure is cuz being low on oil ?


extremely unlikely
most problems can be attributed to a blocked nozzle that will not allow the pressure regulator to bring the pump to full pressure
The system works like so
the pump uses the tap pressure to generate high pressure ( make sure tap is on and no kinks in the hose)
the pressure generated is fed through the regulator to the nozzle via a hand control
When the control is activated the regulator shuts of the by pass system and full pressure is achieved to the nozzle
when the control is released the pressure regulator by passes the water back to the inlet side and so releases the pump under load
Now if the nozzle is blocked it becomes the control and there will be no pressure
If it is partially blocked the pressure still need no pressure to work so at partial blockage it will still by pass water back to the inlet

Apr 18, 2015 | Honda Garden

1 Answer

We have a Ryobi pressure washer. Used one time. I have no water pressure.


Could be a stock Pressure Washer Unloader Valve. You can find videos of how to remove and to clean it. It is not that difficult to do. Good luck.

Sep 10, 2014 | Ryobi Gas Pressure Washer: 3100 psi 2.5...

2 Answers

Water surges when you pull the trigger


If you have not flushed all air out of hoses prior to starting motor this may be the first symptom. If the water pressure from the spigot is competing with the clothes washer, shower etc. there may not be enough pressure to supply the demand of your pressure washer. A gauge attached to the spigot can give you a gallons per minute reading or take a five gallon bucket and time how long it takes to fill the bucket. ie: if the bucket fills in 2 minutes you have 2.5 gallons per minute. You may need this much to get un-interupted pressure for a 2400- or 2500 unit. Most residential properties are pipe sized from 3/4" pipe at the water main spigot at the front of the house down to a 1/2" pipe size at the rear of the house to maintain pressure.

Jul 09, 2012 | Karcher 2500 PSI Pressure Washer

1 Answer

I need a owners manual for homelite pressure washer 3100psi model #ut 80432. please advise. thanks, joyce valente


try this link, they should have everything you need  http://www.ereplacementparts.com                                           just enter your make and model number and you wil get manuals with complete nut and bolt break down diagrams

Aug 04, 2011 | Homelite Garden

1 Answer

My karcher pressure washers motor revs up and down when being used and loses pressure. can you tell me the cause of this problem and how easy it is to fix and what the cost would be please?


Hello, W/D here.
It sounds like there is air in the machine, causing the over revving and loss of pressure. When the revving decreases, it's because some of the air has passed, and the washer is then trying to pump water, only to have more air get into the pump. As the machine over revs, it heats up, making it actually harder to get the air out. The easy way to prevent this is to turn the water on at the faucet, and leave the trigger on the gun held down (open). Then, make sure that no air is trapped in the hose to the pressure washer. You can lift up on the hose and walk the hose from the faucet to the machine, forcing any air in the hose towards the washer. Then, allow enough time for the air that you have displaced to travel through the washer. You will be able to judge your progress by observing the end of the spray wand. This process will take you a few minutes, but will result in your washer running and performing better.
Best regards, --W/D--

Apr 14, 2011 | Karcher K3.68MR Electric Pressure Washer

1 Answer

Washer has low pressure. but can see pressure build up in hose. then when squeez triger motor stops.


Hello, W/D here.

Sounds like it may be air locked. Connect the hose to the washer. Connect the wand and hose to the washer. Open the supply water, and hold down the trigger on the spray wand. Be patient, this can take several minutes.
Now crank the washer.
Best regards, --W/D--

Feb 01, 2011 | Briggs & Stratton 2200 PSI Gas Pressure...

2 Answers

Let go of wand trigger pressure will not come back


spill valve is stuck and needs to be cleaned and greased common problem....also check all connections for blockage in line

Jul 21, 2010 | Karcher 2500 PSI Pressure Washer

1 Answer

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


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

May 27, 2010 | Dewalt DPD3100 Gas Pressure Washer

1 Answer

Low pressure from wand


where do i get a washer for the wand?

May 21, 2010 | Simpson PS2600 PowerShot Commercial-Duty...

1 Answer

I have a John Deere AC2600Gh power washer and I can't get the soap to work everything else works great it just won't **** the soap up when I am pressure washing I know that it must be something simple to...


Soap will only siphon into hose if there isnt any pressure in the hose attached to the wand.Remove tip from wand and see if it draws soap into hose,back pressure in wand hose will cause the spring and ball to seat/close off the inlet line for the soap otherwise water would blow out of soap line.

May 17, 2010 | Karcher 2500 PSI Pressure Washer

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