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KitchenAid Artisan KSN150ps
Machine has little use. Motor Vibrates Inpsected unit and discovered that the bearing bracket nuts are vibrating loose. I tighten slighty - noise goes away and mixer runs smooth. But they loosen quickly and vvibration and noise returns. If I tighten to 15/20 ftlbs per the manual - the motor wont turn by hand - so i have not tried to reassemble and run at that applied torque .
Any recommendations...fixes? i would like to double nut, and lock washer this - but there is little room for 2 wrenches to tighten 2 nuts in this manner
mixer is fine if i could just get the bearing retainer nuts seated and not back off due to vibration.
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