Karcher pressure washer shoots water out of chemical tube


Old 04-09-13, 08:24 AM
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Karcher pressure washer shoots water out of chemical tube

I have a Karcher K 2400 HH pressure washer with a 5 HP Honda engine. Recently, water started shooting out of the chemical tube at full pressure. I need to keep the gun trigger engaged or it will blow the chemical tube right off the machine. I cleaned out the chemical tube opening, but water still shoots out. The chemical tube draws liquid if the soap attachment is on the gun. But with any high pressure fitting, water still shoots out. Any ideas?
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Old 04-09-13, 09:48 AM
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Behind that fitting, there should be a spring and a little metal ball. If those are missing, rusted badly, or broken, it will allow pressure to escape.

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