ONE EMPLOYEE WAS WORKING ON COAL DRYER WHEN FAN GUARD BROKE. HE TAPED IT OFF AND LEFT THE AREA. FOREMAN THOUGHT MOTOR WAS OUT & PLACED HIS HAND OUT TO CHECK TEMPERATURE. FAN BLADES HIT INDEX & MIDDLE FINGERS, LACERATING THEM. 13 STITCHES IN INDEX & 7 STITCHES IN MIDDLE FINGER.