Why aren't the top and bottom wheels locking together?
Both top and bottom male/female wheels supposedly to lock for spinning, aren’t actually locking correctly hence smoke is produced, I would assume due to the friction of an imperfect lock. How to resolve? I’ve tried disassembling from the base but it just seems a hassle of a job considering that I’m not even sure I can find replacement wheels. It seems one of the wheels was consumed by the friction initiated with power on. Help!
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