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Posted on Jan 02, 2017
I handled various Karcher washers, but the 2500 I never came across it. Just the same I will give you a few hints and maybe the solution for the problem. When the oil is milkey this means it has water in it. This means that there are faulty seals for sure. Now in many Power Washers the compartment where the oil is located is filled with oil prior to assembling the head unit that contains the pistons. So you have to take apart the the complete head change all seals( HP seals, LP seals and OIL seals). There are pumps that take multi-grade oil(15/50) and others 90 grade oil. If your pump is fan cooled, it probably takes 15/50 oil. Now one of the main biggest problem of water in oil is Faulty and Scratched PISTONS.
So when you have the pump apart....check condition of pistons. It is useless to change seals if pistons are damaged.
Now one thing regarding your problem, is that you have to put together the head with the pump upside down, so that you can fill the compartment (where the pistons are pushed by the swash plate), with OIL, before you put back the complete head with good pistons,springs,seals, valves...etc..etc. These few hints are relevant to quite a number of Karcher washers.
Posted on May 22, 2009
Nozzle dirty, clean out nozzle with small diameter wire. Soap dispensing only happen at nozzle low pressure setting
Posted on Jul 27, 2009
After a long none use, I tried to wash my driveway and powered on the washer,it did, but when i tried to engage the power washer by pressing the wand lever, it did not engage. What can I do to get the power washer working?
Posted on Jan 30, 2010
HI, It sounds like it is just stuck on the keyway as these can be very tight. You need to force the pump of evenly on either side and should come of if patient.
Posted on Feb 08, 2010
Testimonial: "I'm sure the answer is correct. Over time my use of harsh chemicals no doubt corroded the key-way."
It sounds like the (RMW 2.2 G24) pump has gone out. Mine had this problem after about 6 hours of use. I was able to order a new pump for around $160.00, and then installed it myself. Go figure it was just out of warranty. I think my next pressure washer will be one with a professional pump as I was told the one on my husky is only rated for about 40 hours of use.
Posted on Aug 09, 2010
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