Quote:
Originally Posted by chowder
What was the solution? I had the same problem but mini was out of warranty so I replaced it with dc180 which is dead silent. My mini 180 works but is relatively noisy.
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Loosening the screws on the base. If they are too tight, there is pressure applied where the nozzle goes in through the body into the pump. Also pushing the nozzle into the pump too far can induce a bit of noise as well so pushing it all the way in and then pulling it out a fraction of an inch is best.
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