EE MOVED THE MAGNET AT THE HEAD OF 3105 BELT TO REMOVE TRASH METAL THAT HAD COLLECTED ON MAGNET. HE STRAINED HIS SHOULDER WHILE DOING SO. HE WAS SEEN BY THE COMPANY DOCTOR ON 4-30-03, WAS DETE RMINED THAT HE HAD SUFFERED A TORN ROTATOR CUFF. HE CONTINUED TO WORK UNTIL 6-18-03, SURGERY WAS DONE TO REPAIR THE ROTATOR CUFF. STARTED LOSING TIME 6-18-03.