EE WAS INSTALLING DRIVE LINE COVER ON D10N DOZER. HIS FOOT SLIPPED CAUSING HIM TO FALL AGAINST THE TORQUE CONVERTER STRIKING IT WITH HIS LEFT LOWER ABDOMEN. HE WAS DIAGNOSED WITH A HERNIA ON 2 /18/00. HIS FIRST DAY AWAY FROM WORK WAS 2/21/00 AND HAD SURGERY ON 2/22/00.