EE WAS WORKING DURING THE FIRST WEEK OF VACATION, HELPING TO CLEAN ON THE PAGE 752 DRAGLINE. EE WAS USINGA PUTTY KNIFE AND A LONG HANDLE SCRAPPER TO SCRAP OLD GREASE OUT FROM UNDER THE DRAG DR UM IN THE HOSE OF THE MACHINE. AS HE TURNED IN ABENT OVER PSITION TO REMOVE GREASE FROM HIS SCRAPPER, HE FELT SHARP PAINS IN HIS LOWER BACK THAT TOOK HIM TO HIS KNEES. HE TRIED TO GET BACK ON