Your video doesn't show anything. But if your battery t Brush is really slow you might have rust or something else dragging it down. If you can remove enough of the cover to see the shaft that is turning get a Q-tip and dab it in some cooking oil so that it can work itself into the rust.
Answers & Comments
Your video doesn't show anything. But if your battery t Brush is really slow you might have rust or something else dragging it down. If you can remove enough of the cover to see the shaft that is turning get a Q-tip and dab it in some cooking oil so that it can work itself into the rust.