THE EE WAS REMOVING A TAILGATE RANGING ARM COVER FROM THE SHEARER IN THE OUTSIDE SUPPLY YARD. HE WAS HOLDING THE COVER UP WITH HIS LEFT HAND AND WHEN HE REMOVED THE LAST BOLT THE COVER FELL PI NCHING THE TIP OF HIS LEFT MIDDLE FINGER BETWEEN THE COVER AND THE RANGING ARM. THE INJURED RECEIVED A LACERATION REQUIRING SUTURES.