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Guides and repair information for Neato robotic vacuum cleaners.

31 Questions View all

D85 Botvac: clunking noise while operating.

D85 Botvac is working fine, but now has a loud knocking/clunking sound when maneuvering. It is intermittent. I service clean the brush and bearings almost every run. I have tightened up the wheel hubs, so that is not the issue. At a loss.

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So the clunking turned out to be the brush motor becoming loose from the brush gearbox.

I removed the gearbox from the D85 and put blue thread-locker on the motor mount screws. I also added a thin nylon washer between the main transmission gear and the gearbox.

Everything is perfecto now.

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1 Comment:

where is the gear box


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Mike will be eternally grateful.
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