Having problems with your Karcher 2500 PSI Pressure Washer ?

Karcher 2400: Won't stop spraying.

\015 I have a gas 2400, Everything works fine except the trigger don't work. I have high pressure but no way of turning off or stopping it from spraying. I thought the problem was in the wand, so I took it apart and in the brass elbow fiiting where the trigger is atached I found a like stainless steel pin, it was a little rusty so cleaned it up oil and put back together: samething, there is not much in there, just that pin, looks like an O ring deep inside and a white plastic washer. I am I looking in the wrong area? What could be the problem.\015\012\015\012Brian\015

Answers :

Dear sdadean,
\015\012I am assuming that when you said "wand" you mean the "gun". Myself I rarely service guns. But there are types that are serviceable and others that are not. If the brass elbow had 2 stainless steel pins....then this is a gun that you must replace with a new one. And putting oil, is the worst enemy....because oil damages O rings. Now the high pressure hose is fitted inside the brass part by being sealed by a black O ring and a white backing flat O ring. I do not know if these that you saw. Now if the brass has only one pin coming out from the back, this type of gun can be serviceable. Look at the brass at the place where the lance is attached. If you see a hexagon hole, this is a plug that can be unscrewed with an allen key. Behind the plug there is a ceramic seating. Then you find the valve and a spring. If the steel valve and the ceramic seating are damaged, the whole gun must be replaced.
\015\012To tell you the truth I usually change the gun and fit a new one, when the machine keeps on going because the gun does not close. I find it the best and the most safe way of solving the problem.
\015\012Regards,
\015\012Fulltech.
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