Question about Karcher 1750 psi Electric Pressure Washer

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I have a Karcher KB5050 it started to pulse when the trigger stopped but I look at this site and it said it was normal, the machine has now stopped altogether with the smell of burning plastic, I take it that the machine has dead?

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SOURCE: I have a Karcher KB5050 it started to pulse when

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.

Posted on Jul 13, 2010

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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

I have no pressure and the pump surges when i release the trigger on my electric karcher modle k 2.360


If you have a Karcher then you should always post your machines barcode.

Because you have the low pressure and pulse this will be the valve block. Your machine has 3 piston and each has 2 valves (inlet and outlet). Because you dont have the barcode, i cant be sure if you will buy a valve kit of 6 valves or a pre-assembled manifold block.

it could be this machine and spares :
http://www.sparesgiant.com/cleaning-equipment/pressure-washers/karcher/k-series-parts/k2-range/k2-36m16724300/

The karcher barcode is on a silver sticker and is usually 15 digits long. Example 156987400000123 is actually model 1.569-874.0 and serial number 00123....

Sep 01, 2013 | Karcher K238CCK 1600 PSI 13 GPM Electric...

1 Answer

Karcher 395 motor does not stop running


if your machine was factory fitted with 'total stop system' TSS and has always stopped in the past then it is an issue with many possible parts !

does the machinw still operate at full pressure ?
if the machine can produce full pressure then it only has to produce 20 % more to actuate the TSS piston. When the stop piston moves it presses against an electrical switch tjat breaks the circuit. Producing 20% more pressure requires that your machine has no water leaks in the pump, hose, trigger gun or lance. Once you release the trigger the path back from the trigger to the pump TSS piston must be fully sealed.....

If you have a Karcher then you should always post your machines barcode.
The karcher barcode is on a silver sticker and is usually 15 digits long. Example 156987400000123 is actually model 1.569-874.0 and serial number 00123....

Aug 11, 2013 | Garden

1 Answer

Karcher KB4040 pulsing when trigger closed and has lost about 50% of its power


Just google " stripping down Karcher KB4040" A YOU TUBE CLIP will show you hiw to fix it and what tools you need

Jun 05, 2012 | Garden

1 Answer

Karcher pressure washer hunts ~ off/on ~ when running. How do I fix?


HI Your machine wil start and stop if you have any external leaks when the machine is running at not pressing the trigger. Please start the machine and not pull the trigger and look form leaks. A common one is around the high pressure hose outlet and also the trigger.

Jun 11, 2010 | Karcher 1750 psi Electric Pressure 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

POWER CRAFT BY Karcher bought Aldi on 31Mar 05.2100Watts 130 bar.


You did winterize the machine? Leaving water in a powerwasher will freeze and damage the pump. It's a common happening, because people don't think of it or are not told by the maker.

Apr 29, 2010 | Karcher K2.26 Electric Power Washer

2 Answers

The motor is pulsing on and off without the trigger being pressed


It is probably sucking air on one of the connections or around one of the fittings at the regulator. You can also turn the pressure up allittle on the regulator, that might stop it also. Make sure the clamps on the hoses going to the regulator is tite. Also it could be that the regulator is just bypassing water and if it has air in it it will pulsate.

Mar 14, 2009 | Karcher K2.26 Electric Power Washer

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