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Discussion for the Karcher G 2650 OH (11945130) Pressure Washer
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Question: Karcher G2650OH Pressure Cycles
I got this pressure washer free because the engine did not start. I cleaned the carb and it runs great now. The issue I have now is that when I connect everything up and try to use it the pressure cycles like I am releasing the trigger and squeezing it again repeatedly. I have removed and checked the unloader valve for issues and found nothing visually. I have disassembled the pump and found no visible issues. When I got the washer there was no hose so I used a hose and wand from a 1300 psi pressure washer that I already had and it had no issues with the wand or hose. Any advise would help, would rather fix this instead of replacing the pump.
** Update **
I replaced the hose and wand with one that is rated for this pressure washer and it seems that part of the issue is back pressure related. With the new wand I can use most of the spray tips but with what seems like lower than expected pressure. If I use the 25 degree fan tip it causes the same issue as before where the pressure cycles but with any other tip it functions like it should with reduced pressure. I am at a loss because this doesn't seem like an unloader valve issue.
Question: Karcher G2650 OH Pulsating Probl...
My power washer started pulsating and I watched the repair video and ordered a new Spill (Unloader) valve. The old one looked perfect upon removal and I installed the new one anyway. The problem is still there with no change from the old part. What do I do next and what parts should I order?
Question: Karcher Gas Pressure Washer Wate...
I have a Karcher pressure washer model # G2650OH part #(11945130) .
My problem is that I have a moderate to heavy water leak out the bottom small hole between the brass pump and the middle housing. Water flow increases with trigger / motor increase in RPM. I opened the three part pump housing assembly and also found the oil in the cast assembly portion to be contaminated with I believe to be water.
What is wrong, and which parts specifically do I need to replace to correct this issue?
Reply: Karcher Gas Pressure Washer Wate...
I have the same problem that Dan has, water comes out of hole in bottom, pressure surges high to low continuously, and also has water in oil in pump body, need parts to fix, spill vale looks like new, have used unit just a few times, spill valve looks like new, clean, o-rings are OK, must have bad seal for water to get into pump oil ?
Question: Kercher Power Washer Question
I accidentally ran my Kercher power washer G 2650 OH without the water hose attached for a few minutes, while I was testing the carb adjustment. Now I don't have any pressure when I attempt to use the sprayer.
What parts do I need to purchase? 1) A completely new water pump component; 2) a valve/washer kit or 3) each valve internal part separately (hard to tell which parts are needed because none of the parts appear damaged)?
Also what type of oil should I use in the wobbler chamber? (Non-detergent 30W?)
Question: Spill Valve
I have the Karcher G2650 OH. The spill valve does not look like the one in the diagram. When I pulled it out, only got the top part with the green o-ring and the spring. Does this mean that it broke in two? If so, how do I get the bottom part out or do I need to take the assembly apart?
Reply: Spill Valve
I checked with the manufacture about the question you had regarding if the 4.591-040.0 spill valve is the correct one for the model G 2650 OH. They assured me that it is the right one. If the shaft of the spill valve came out when you pulled it out, and the rest of it is still at the bottom. It looks as if you will have to remove that part of the pump to see if you can get the remaining parts out.
Question: Water Pressure
Lost high water pressure while running. Recommendation for repairing?
Reply: Water Pressure
I have same problem as Dan, oil in pump has water problem, and pump pressure surges high to low continuously, spill valve looks like new, o-rings fine, valve is clean, I have used pump only few times for short periods, what might I need to replace?