EE WAS OPERATING 34206 MOTOR GRADER. HE WAS CLEANING COAL IN THE PIT AND HE SAID THAT THE CONDITIONS WERE ROUGH. HIS LOWER BACK STARTED HURTING DURING THE CLEANING PROCESS. HE SAW A DOCTOR ON 11/06/03 AND HIS DUTIES WERE RESTRICTED. HE WORKED 4 OF HIS REGULAR DAYS WITH RESTRICTIONS.