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Re: What kind of oil and how much do I put in a karcher...
Straight 30 wt oil. Be very careful when you fill it because if you over fill it, it will seize and if you under fill it wont get proper lube. The amount is about 2.5 oz.
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I have the same Problem, the leak is from the seam of the Manifold housing. There is a small crack in the seam. A manufacturing defect.. A New Manifold Complete Replacement K2.26*
Part # 97501760 is $61.03, about the half the price what I paid for this pressure washer at Walmart... :(
If under 1 year old, and you can find a receipt,Karcher will replace the whole Pressure washer under warranty.
You need to remove the pump and sit it brass side up before removing the bolts holding the brass to the aluminum part (you have to do it that way so the oil doesn't spill out.) CAUTION: there is some spring tension on the brass head.
Take the brass head off and set to the side on a rag or in a bucket. Dump out whatever oil is in the oil side, making sure not to drop the swash plate or bearing (the pieces sitting in the oil). Fill the oil end with aproximatly 4.5 ounces of Karcher pump oil, (or just 20w 50 weight non-detergent oil). Put the brass head back on and tighten bolts. Put the pump back on the machine.
Dear glenoaks06,
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.
Regards,
Fulltech.
It sounds like you are referring to the oil in the swash plate housing. You can use a multi grade motor oil such as 20w50 or 10w40. Fill to about half way over the swash plate. If the old oil has gone amilky colour, please replace the oil seals first.
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