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kach22i kach22i is offline
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Join Date: Mar 2004
Location: Michigan
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Power Washer Repair

Power Washer Repair

Who knows how to repair a $99 Karcher power washer?

It worked great the first year I had it, but like the silicone caulk stored in my basement (would not cure) I think it froze in the winter.

I was expecting to find a plastic storage tank of some sort which had a crack in it. I opened it up and there is nothing like that in there, it's just a motor and a pump.

The O-Ring and three round rubber grommets look fine.

I did find a pinched clear vinyl vent line, it somehow got caught under an internal case flange. I 'm not sure when this happened, it seems to have been pinched for a while because it took some working to squeeze it back open.

The part I suspect is leaking has a metal bracket over plastic parts. There is a locking nut I cannot get to, but it looks fine. The part which appears to be two plastic parts force fit has a pretty good joint all the way around it. That is the part I glued with "Seal-All'.

Before I put this thing back together, is there anything else I should be looking at?

The power washer seems to spray/leak almost as much water out of it's bottom as is delivered at the nozzle. I take a shower every time I use it and roll into puddles trying to work under the car. The exposed connections are not the problem, it's something behind the outer yellow case.

The pinched vent line:


The inside of the inner case - if you ever wondered:


Did glue/seal job at arrows:


No water in the greasy O-Ring bearing/spring area of pump:
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Old 08-27-2010, 05:59 PM
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