Thread: Pulsating pw
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Old 11-01-2018, 09:07 PM   #17
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Good evening all. I have a very old karcher (17 years approx) K650m.

Purchased a snow foam gun from in2detailing. Iíve only just used the foam gun for the first time last weekend and it was causing the pw to pulsate and spit the foam out. Removing the foam gun and replacing the lance every thing works fine. Iíve tried the various settings on the foam gun without success. Any suggestions why this could be or can the foam gun be faulty?

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