EMPLOYEE WAS OPERATING SHEAR. HE WAS WORKING THE RANGING ARM UP AND DOWN TO LOOSEN A HINGE PIN TO REMOVE. A PIECE OF BUSHING OR PIN CAP THAT WAS UNDER PRESSURE FLEW OUT STRIKING HIM IN THE RIG HT INDEX FINGER AND PALM. HE WAS TRANSPORTED TO CAMC WHERE SUTURES WERE REQUIRED FOR INJURY,.HIS RECOVERY TIME IS UNKNOWN.