EE THOUGHT THE BELT HE WAS WORKING ON WAS 1-BC-3 & LOCKED IT OUT. THE BELT WAS ACTUALLY 3-BC-1. HE WAS IN THE PROCESS OF PUTTING A CLAMP ON THE SIDE OF THE BELT. THE BELT INADVERTENTLY STARTED PULLING HIS ARM INTO THE IDLER ROLLER & ALSO WEDGED HIS LEG BETWEEN THE HANDRAIL & THE BELT. NO LOST TIME, RESTRICTED WORK DUTY & PHYSICAL THERAPY ONLY.