This might be more helpful
If you google Karcher and go on their site, you will be able to get a list of repairers in your area - at least that is what I did
Sylvie
March 2011
You ask for advice on how to repair your karcher k3 jet washer, yet you fail to give any information on what the problem is, so how do you expect any help. You say you know nothing about them, do you you know anything at all? There a loads of numbnut questions put on this site like yours, if you want help, we need more info, get it
Pheasant Plucker.
February 2011
put me in touch with some one who can repair it.
leo
February 2011
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix general d.i.y.