IE WAS CHANING THE RETURN ROLLERS ON THE CONVEYOR USING A HAMMER TO SEAT THE ROLLERS OUT OF THE BRACKETS. WHILE BEATING THE ROLLER EE STRAINED A MUSCLE IN HIS RIGHT ARM. THE PAIN WENT AWAY AND HE DID NOT GO TO THE DR UNTIL 9-18-01, BUT THE REPORT DID NOT BECOME REPORTABLE UNTIL HE WENT TO PHYSICAL THERAPY 9-25-01.