WHILE OPERATING A LOCI, EE PULLED ON A SWITCH PULL BOTTLE AND FELT PAIN (4/15/02). ON 6/5/02 HE WAS LIFTING A HOSE REEL AND FELT A ""POP"" ON HIS RIGHT SHOULDER. ON 8/9/02 HE RECEIVED AN MRI. HE MISSED HIS FIRST SHIFT ON 8/21/02 FOR A TORN ROTATOR CUFF. HE WORKS FOUR ON AND FOUR OFF.