Having problems with your Karcher Pressure Washers ?

How do I unstick the pressure valve on my karcher kb 3.99


Answers :

Repair Help & Product Troubleshooting for Karcher Pressure Washers

Tips for a great answer:

- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.

Suggested Questions/Answers :

How do I unstick the pressure valve on my karcher kb 3.99


... Karcher Pressure Washers

My Karcher 4000 SHR Pressure Washer pressure pulses when operating. I have checked with Karcher Technical Support and all their trouble shooting procedures except checking the unloading valve. Where is this valve, how do I get to it and how do I lubricate it?


It sounds like your unloading valve is crudded up with mineral deposits and stuck in a partway open state. look for a plastic cover with a silver snap on top; pry off the silver snap and lift off the plastic cover; next remove the two screws on the ... Honda Karcher G4000RH Pressure Washer

I have a G2500VH pressure washer that has started to pulse when the trigger is squeezed. This happens if I use the 0,25, and 40 degree nozzles BUT if I use the one for low pressure(detergent use) it will hold pressure fine. I have changed the unloader valve, checked all the valves and seals ad they seem to be fine. What could be the problem?


Do you mean pressure on and off with the hp tips and smooth and steady with chemical tip? ... Pressure Washers

No pressure i have a karcher g 2600 vh i wasnt getting pressure and i found that my spill valve was faulty it was actually broken i bought a new one installed it and im still not getting much better pressure ive taken the pump apart and checked for build ups blew thru the valves wirh the compressor and there appear to be no blockages


... Karcher G 2600 VH Gas Pressure Washer

Clean and unloader valve on Karcher hd3500 pressure washer -intermittent pressure on and off. Cleaned inlet screen. Think unloader valve is is under pressure knob? Will cleaning help?


Hi:Cleaning it is not enough. You need to make sure the o-rings are in good shape and grease it with a very very good waterproof grease. ... Karcher Pressure Washers

Hy; I have a karcher 580 I had to replace gun complete so I bough a simoniz xe01-001 at simoniz.osirus.ca/ for your info 69$ complete ***.I install NOW I get pulse up & down ONLY when trigger is press I turn valve down i only get 10% of pressure if i turn valve up that is when it start pulsing pressure up & down it wont keep pressure up ... Bob...


Most likely problem is that the tip is too small causing Unloader to bypass or restriction/debris in tip. Install clean tip of proper size or 1/2 size larger (example from 2.5 gpm to 3 gpm ) to prevent slow pulse. If tip is clean and /o ... Karcher 2500 PSI Pressure Washer

Karcher pressure washer unloader valve sticking? I have the pump shown on page 3 of Karcher manual number 91392030. I removed the unloader valve, but am not sure if I have the entire assembly. I got the top seal and a spring. The bottom seal may be jammed in the pump.


... Karcher G3025OH Pressure Washer

Karcher 620m pressure bypass valve sticking - Karcher 2500 PSI Pressure Washer


... Karcher 2500 PSI Pressure Washer

I have same problem with Chicago Electric # 47761 electric pressure washer as Aug 10 2010 writer had w/ Karcher 2500. Runs briefly then stops. Pressure is trapped in hose. I cleaned hose disassembled & greased valve in handle. No improvement. Problem appears to be premature wear of trigger cam in handle - both are plastic. Valve body is rigid nylon. Any thoughts??


... Pressure Washers

Leaky spill valve on karcher pressure washer - Karcher G2650HHR Gas Pressure Washer


You should replace the thermal by-pass valve with a new kit, part number is 45803590 ... Karcher G2650HHR Gas Pressure Washer

Poor pressure karcher g 2500 pressure washer with a 5.5 honda engine. No high pressure, hose pulsates as does water out of the outlet. have removed the unloader valve twice and cleaned it to no avail


I had this same problem on my pressure washer.the pump had some broken parts in it .i found my replacement pump on EBay. ... Karcher 2500 PSI Pressure Washer

We have a Karcher G2500VH pressure washer. If you start the engine with the trigger pulled on the spray wand it will run at full pressure until you release the trigger. after that, when you pull the trigger it will not have any more pressure than the water hose feeding it. Does it have an internal unloader valve? What is the part number?


Hi, Karcher calls the unloader valve a spill valve, this is a link to a full drawing/parts listing , and your fault description might well be a sticking /seized unloader(spill ) valve hope this helps ... Karcher 2500 PSI Pressure Washer

Karcher G3050OH Pressure Washer Spill / Unloader Valve (Bypass)


You should put 'locktite' on the male thread and screw it in all the way and lock it there. That is how it works ,the spring keeps the valve at the bottom closed during high pressure operation. When the gun is released the part with the o-ring is for ... Karcher 2500 PSI Pressure Washer

How do you locate/clean an unloader valve on a Karcher HD3000 pressure washer


... Karcher G3025OH Pressure Washer

Unloader Valve - Karcher Pressure Washer


Where is the unloader valve locaed on a Briggs Stratton pressure washer? ... Honda Karcher G4000RH Pressure Washer

I need to check the unloader valve on my Karcher 3000psi pressure washer. I was directed to your site for help. I just need to know what to unbolt to get to the valve.


... Pressure Washers

Karcher washer gas no pressure modele g2600vh part no 11944040 high change the spill valve no pressure


... Pressure Washers

Unloader valve Thanks for the insight on my problem with a Karcher 550m. I have taken the pump motor out of the unit. How do I identify the unloader valve & replace it? There does not appear to be any other leaks. Is this the only part that needs replacing if pressure is down? Many thanks


... Pressure Washers

Have a Karcher 3000G pressure washer, low pressure. How do you remove the unloader valve?


Ask the professor. He knows everything about everything. I'm working on my degree now. Go to Youtube like he does. LOL ... Karcher 2500 PSI Pressure Washer

Karcher K3.91, lost some pressure and pulsing when trigger is release. stripped it down and checked all six valves and there all sealing as they should. i took apart the unloader valve cleaned and inspected and thats fine. there is NO water leeks anywhere or oil. preasure washer is 2 years old and gets used once a week for ten minutes. i really dont understand why its playing up


... Pressure Washers

I have a Karcher G2600 OR Pressure Washer, 2600 psi, 2.5 gpm. PN 1.194 506 0. gas engine works fine and water flows fine but pump is not adding pressure to stream. Checked and cleaned inlet water filter.


... Pressure Washers

I have a Karcher HD 3101 pressure washer. The out pressure is not working. Is there a unloader valve that needs to be cleaned?


Yes, the unloader needs to be lubed. Send me a email at [email protected] with a discription of what you just listed and I will send you a pdf file on how to repair it. ... Karcher G3025OH Pressure Washer

Pressure washer relief valve lubrication - Karcher 2500 PSI Pressure Washer


... Karcher 2500 PSI Pressure Washer

How to replace non return valve on karcher 411a pressure washer


... Pressure Washers

Karcher K2.89 outlet valve leaks and low pressure


... Pressure Washers
  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || www.a-wash.org || Terms of Use || Contact || Privacy Policy
Load time: 0.0459 seconds