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I have karcher 620m pressure cleaner. Motor runs constantly but no pressure, just a thin stream of water which is just the pressure from the hose. Any idea what's wrong?

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  • soskin Apr 18, 2008

    I have exactly the same problem with K 620M

    Low pressure, just a thin stream of water.

    Any help would be appreciated.



    the.soskins@btinternet.com

  • Anonymous May 12, 2008

    I have exactly the same problem with K 620M
    Low pressure, just a thin stream of water.
    Any help would be appreciated.

    jkgburman@gmail.com

  • Anonymous Apr 16, 2009

    yes i havethe same problem

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  • 1 Answer

Try this. While pushing the trigger of the gun, turn lance fully anticlockwise and then turn back fully clockwise.

Posted on Mar 26, 2010

Take off the lance hose and let it run it may be air locked

Posted on May 16, 2008

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1 Answer

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Does the motor run when you press the trigger?

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Hi
don't know if this will help, but when I use mine, to start the pressure up I have to turn the nozzle to fine spray then turn it to the power spray and it works every time, shouldn't have to do this but I got it for nothing.

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