Question about Karcher K2.26 Electric Power Washer

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No power when switched on new switch fitted - Karcher K2.26 Electric Power Washer

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Dear Sir,
The power washer stops when the gun is closed. This happens because pressure is exerted on a control valve (Spill Valve)...which in turn touches a micro switch and cuts electricity. Now most probably your machine is dead because the spill valve is stuck down and closing the micro switch. This happens when one stores away the machine with pressure still in it. NEVER store a power washer with pressure in it. The spill valve also gets gammed because left with soap and machine not rinsed. I rarely service spill valves...I change with a new one.
To locate the spill valve open cover (using a TORX T15screw driver)...and where you see 2 wires coming out...there is the spill valve. If you can manage to do can try if you want to lubricate it by spraying SILICON spray. If you get it use silicon grease.
Sometimes these machines have the spill valve incoporated with the that case the whole head must be renewed.

Posted on Apr 24, 2011

  • Martin Grech Apr 24, 2011

    Please note that I am not responsible, for any misuse, misinterpretation, damage caused to inexperience work, incompetent workmanship and damage or harm caused by irresponsible use of this advice. This is just advice and cannot be held responsible for work being done when myself I am not present.



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