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Karcher gun leaking

The gun on my Karcher 520M leaks but only when the trigger is pressed, even after I replaced the o ring (PINK IN COLOUR!) on the metal part of the hose that enters the gun. I have taken off the four screws that hold the gun together but still cannot open up the gun to see what the problem is. First question is "how do I open up the gun to see what the problem is? Secondly what is the problem likely to be? Many thanks.

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  • 165 Answers

The gun needs replacing, non servicable, interchangable with many brands

Posted on Apr 21, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: karcher 520m oil leak

small engine shop should be able to obtain the proper gasket for you.....oil 20 weight fill untill you can see it at the bottom of the threads at the whole you pour it into!

Posted on May 25, 2009

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SOURCE: Karcher B302 gun leaking = taken gun apart but I

jeane_m I can e-mail you a diagram. Can you e-mail me? firehead@rogers.com

Posted on Jun 11, 2009

  • 174 Answers

SOURCE: trigger gun

It sounds like you left out the spring in the hose.
There are about 10 different models of K330 with several types of guns. Go here and search until you find the correct gun so you can see the diagram. I think it will be hard to buy a replacement spring, though.

Posted on Aug 03, 2009

  • 760 Answers

SOURCE: Karcher K2.900M spray gun leaks. Not sure which

www.pressure-washer-parts.com has many parts available. There are complete guns, and gun repair parts listed here.

Posted on Jul 29, 2010

wmpcs
  • 100 Answers

SOURCE: Karcher Model K 2.40, water is leaking from the

You are going to have to purchase a new trigger gun, they don't offer any parts for replacement on the inside of this trigger gun. See this link to purchase a new one.

Posted on Nov 09, 2010

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