EE WAS IN THE PROCESS OF LIFTING A BELT ROLLER. HIS INTENTIONS WERE TOGET IT TO THE OTHER SIDE OF THE BELT WHERE THE TRACK IS SO THAT IT COULD BE TRANSPORTED ON A FLAT CAR. HE LIFTED THE ROLLE R TO HIS WAIST LEVEL AND EXPERIENCED LOWER BACK PAIN. HE WORKED 3 MORE SHIFTS IN THE WEEK AND BEGAN MISSING WORK THE FOLLOWING WEEK. THE SAFETY DEPT WAS NOT INFORMED OF THIS UNTIL 11-07-02.