Question about Karcher 2000 PSI Electric-Cold Water Pressure Washer - K5.68

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Karcher K5 leaking & pulsing

Leaking & pulsing

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 15 Answers

SOURCE: My Karcher 2.99 starts and stops, (pulses) when th...

Is liquid leaking from the base, when the Pressure washer is on ?
I have the same Problem, the leak is from the seam of the Manifold housing. There is a small crack in the seam. A manufacturing defect.. A New Manifold Complete Replacement is $61.03, about the half the price what I paid for this pressure washer at Walmart... :( If under 1 year old, and you can find a receipt,Karcher will replace the whole Pressure washer under warranty.

Posted on Jul 13, 2010

acehead
  • 107 Answers

SOURCE: My Karcher 2.99 starts and stops, (pulses) when th...

http://www.youtube.com/watch?v=8XDPDhg_acQ&list=UUiF9Qw4CmLuBqWFGanj1KIA&index=14&feature=plcp

Posted on Aug 25, 2012

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2 Answers

I have a karcher kb9020 which pulses when idol any ideas why


The "manifold" as talked about above is also called the "Control head".
For a picture of the very small cracks in the control head see here: Karcher Control Head cracks

The video linked to below talks about the cracks in the control head at 7:00 through to 7:08. They guy incorrectly calls it the cylinder head in the video. How to FIX Karcher pressure washer

If Karcher made the control head from an aluminium casting, or used a metal insert near the point of failure, their product range would be a LOT more reliable.

May 30, 2014 | Karcher PSI Electric Pressure Washer

1 Answer

Karcher4.600 leaking


The pump on this unit almost certainly has damaged valves. The literature says its a "maintenance-free" pump; read, "no parts available - disposable pump".

So--the leak at the outlet is most likely a worn o-ring and easily fixable. Most places that sell home-owner class pressure washers sell the o-rings for those couplings (they are not Karcher specific). And then shop around for a pump. Ebay, or online Karcher dealers or if there is local Karcher dealer.... The point being is you may find a lot of variability in price.

There is nothing technical at all about replacing the pump. It will be bolted to the motor, usually with 4 bolts, and it just slides right off/on the motor shaft. The hardest part will be removing the plumbing from the old pump and putting it on the new pump. I wouldn't be surprized if the new pump came with new in/out plumbing. Look into that before chasing an 0-ring for the leaking coupler. You may wind up with a new coupling anyway.

I hope this is helpful, and that you'll take a second to rate me if it is.
Don

Mar 08, 2012 | Karcher Garden

1 Answer

I have a Karcher K3.540 pressure washer. Won't take up detergent and motor pulses ever second if vari-lance increased towards maximim. Motor runs ok at lower pressure but can take 1min to start wh


This fault is within the control head, under the detergent valve is a small spring loaded valve that acts to induce the detergent, this will have failed, the shaft of the component breaks off the disk base leaving a small hole in the centre of the disk. This is enough to allow pressure past the component. The machine will pulse when operated and will not induce the detergent. I've looked everywhere to find this part as I have a karcher with the same fault.

Jan 22, 2012 | Karcher Garden

1 Answer

Pulsing when idle and when operating


I have the same Problem, there is a leak at a seam of the Manifold housing. There is a small crack in the seam. A manufacturing defect.. A New Manifold Complete Replacement K2.26* Part # 97501760 is $61.03, about the half the price what I paid for this pressure washer at Walmart... :( If under 1 year old, and if you can find a receipt,Karcher will replace the whole Pressure washer under warranty.

Jul 12, 2010 | Karcher K2.26 Electric Power Washer

2 Answers

My Karcher 2.99 starts and stops, (pulses) when th...


Is liquid leaking from the base, when the Pressure washer is on ?
I have the same Problem, the leak is from the seam of the Manifold housing. There is a small crack in the seam. A manufacturing defect.. A New Manifold Complete Replacement is $61.03, about the half the price what I paid for this pressure washer at Walmart... :( If under 1 year old, and you can find a receipt,Karcher will replace the whole Pressure washer under warranty.

May 21, 2010 | Karcher K2.26MR Electric Pressure Washer

2 Answers

I have a Karcher KB5050 it started to pulse when the trigger stopped


Is there water leaking from the bottom ? If so, then you have a leak in the pump. Bad seal or crack in the Pump.
If under 1 year old and have a receipt, Call Karcher for a warranty replacement.

May 14, 2010 | Karcher 1750 psi Electric Pressure Washer

2 Answers

My Karcher pulses when on standby,stops when i use the trigger,but it also seems to have lost pressure.Is less than 6 months old but have lost receipt!


Is there a leak from the bottom ?
If so Problem, the leak is from the seam of the Manifold housing. There is a small crack in the seam. A design weakness.. A New Manifold Complete Replacement approx. $61.03.
If not you may replace the Pump Manifold Housing from Karcher, or locate a local Karcher Service Center.
If under 1 year old, and you can find a receipt,Karcher will replace the entire Pressure Washer under warranty.

May 03, 2010 | Karcher K 5.85 M Electric Pressure Washer

1 Answer

Hi,karcher hds hot pressure washer now pressure when you pull trigger and pulses.


what you need to do is, take the screw fitting which goes to the water tank off, then the one that goes from the water tank to the pump head .
then put the one that was in the first place going to the water tank on to the pump and force feed with water.
see if you can see water leaking from any where seals hose.
try running the machine to check the pressure.
if water leaking from pump head you need seals.

Mar 21, 2009 | Karcher Garden

2 Answers

Karcher/Winner 11 - motor pulses when hose is not operating


Hi, I had the same problem, Replaced the O rings and the rubber seals and cups inside the pressure washer and eventually the hose itself burst. Turns out the hose was leaking, internally between the inner sheath and the outside plastic cover, for quite some time and this caused the pulse. New hose and pressure cleaner is as good as new.

Mar 15, 2009 | Karcher K2.26 Electric Power Washer

2 Answers

Karcher KB 499


Hi the pump surges when there is a leak on it find the leak that should sort your prob.
Hope this helps. Sean

Feb 17, 2008 | Karcher 2500 PSI Pressure Washer

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