EE PUT HIS FINGER OVER A HOLE IN THE HYDRAULIC HOSE ON A LOADER, WHEN HE WENT TO RAISE THE BACKHOE BOOM, THE PRESSURE IN THE HOSE SHOT UP TO 2500 PSI WHICH INJECTED HYDRAULIC OIL INTO HIS FING ER. EE WAS EVALUATED IN THE E.R. HAD SURGERY ON HIS FINGER AND WAS TAKEN OFF OF WORK.