Question about Karcher 2500 PSI Pressure Washer
Wondering why my pressure washer holds pressure when unit is first started but when you let go of trigger and then pull trigger again it no longer has any pressure? Any ideas? B Hoffman
I had same problem won't build pressure. go to http://www.wmpcs.com/index.php?main_page=page&id=14 and see diagram. I pulled white plastic cover off top of pump (2 torx screws), remove main pump from gas motor otherwise you wont be able to get at the valve below. The important part is the valve below the the white plastic piece, it has a raised slot and mine was stuck in there. I used needle nose pinched together with pliers to lift it straight up. After wd40 and cleaning the hole and valve it should pop in and out easy. Put everything back mine worked like a charm after that. So at least I know what the problem is. Great powerwasher-I use for house painting part time and love it.
Posted on Jun 20, 2008
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Posted on Jan 02, 2017
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