EE STATED HE WAS WATCHING THE FCT FROM THE RETURN SIDE OF THE BELT AND WANTED TO SEE IF THE DOLLY WHEEL ON THE OPPOSITE SIDE WAS TRACKING PROPERLY. THE FCT WAS STOPPED AT THE TIME AND HE PLACED HIS RIGHT FOOT APPROX 2-3"" FORWARD OF THE DOLLY ONTO THE LOW FRAME TO STEP AND SEE OVER THE TOP. THE FCT OPERATOR TRAMMED THE DOLLY FORWARD CATCHING HIS RIGHT FOOT UNDER THE RAIL CLEANER BAR