pressure washer


Old 05-29-11, 09:10 AM
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Join Date: May 2011
Location: USA
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pressure washer

I hav a 2year old karcher pressure washer that the water pressure is surging when not triggered and have low pressure when triggered .Ihave removed the unloader valve and it is not sticking and the supply hose is 3/4 inch hope you can help.
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Old 05-29-11, 09:29 AM
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Join Date: Jul 2001
Location: USA
Posts: 16,821
Still sounds like an unloader valve problem. Maybe a broken spring, binding, etc...

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