THE EE & 3 OTHERS WERE REPLACING WORN BUCKETS ON THE F355 KILN FEED BUCKET ELEVATOR. THE INJURED EE WAS GRABBING THE BUCKETS AS THEY WERE BEING UNBOLTED. HE WAS GRABBING THEM WITH HIS RIGHT HA ND. THE CONTINUAL WEIGHT (APPROX. 25165) DROPPING CAUSED A LIGAMENT STRAIN IN HIS RIGHT SHOULDE5R. HIS RIGHT ARM IS TO BE KEPT IMMOBILE FOR AT LEAST 2 WEEKS. EE REPORTED INJURY ON 9-5-00.