Question about Karcher Garden
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Posted on Jan 02, 2017
SOURCE: karcher k7.80 pressure washr
I have a Karcher K 3.86 M electric PW with a similar problem: water leaks from the pump near the outlet and the pressure surges on and off continuously at intervals of 1-2 seconds. The leak appears to be coming from a very thin crack in the plastic pump head in what I think is the "unloader" valve portion. I read elsewhere that if you leave water in these PW's and it freezes it will crack, causing leaks. I don't know how you can empty all the water out so I think we must store these PW's in areas that won't freeze in winter.
Posted on Jul 16, 2008
SOURCE: broken water inlet on Karcher
Had the same problem.Those hose inlet are very delicate.
I went to Home Depot,to the Garden Section in the hoses stand,and found a flexible connector for about $ 6.00 and I used it as a replacement for the broken hose inlet.
Posted on Aug 17, 2008
The solution is very simple. All you have to do is change the spill valve.
This because the spill valve is not worth servicing. The actual problem is that the spill valve is leaking from its bottom-part seating. When you close the gun, the spill valve goes down, opens from the underside, and switches the electricity off. When you press the gun, the spill valve returns to normal, and if the underside does not close, you have low presure, because the water keeps circulating.
MG. (Karcher service engineer).
Posted on Nov 04, 2008
I have had the same problem as most of you. I seem to have fixed it by
1. Bail out all the water from the inside
2. Remove the filter and 2 x mesh pieces.
3. Continue to bail out the water from the filter well.
4. You will probably find pieces of food or fat/debris in the bottom of the well. Remove these.
5. Tilt back the dishwasher at 45 degrees for 30 mins or so to drain and dry the flood sensor.
6. Boil a kettle and pour it down the well. Immediately put the dish washer on a eco wash (no tablets or anything) with half load (ie half water) and this will ease the water pump.
7. Let the dishwasher run its cycle.
8. Clean the filter again and the filter well.
It sounds quite long winded but with a £250 item you need to take care of it. Make sure you rinse most plates before loading in the future.
Hope this helps!!!
Posted on Mar 01, 2009
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