Quote Originally Posted by desbromilow View Post
looks like he sets the belts up in the palm of his hand, then presents his palm to the pulley, keeping his fingers lower than the palm - similar to how you feed apples to a horse. - it looks dangerous (and yes I'd use a chicken stick or switch everything off), but I suspect some thought has gone into doing this "safely"
I'm favoring desbromilow's analysis. The thought of "doing this safely" is under least potential risk. There may have been reason the motor couldn't have been shut down; not anywhere OSHA has a presence.