DEERFIELD SANDMetal/Nonmetal

Employee slipped and strained lower back while climbing up the ladder of an CAT Excavator.

WHILE DOING MAINTENANCE WORK ON THE BOOSTER, EE HAD CLIMBED OVER A V-BELT GUARD. AFTER DOING SO HIS RIGHT FOOT STEPPED ON A SHORT PIECE OF ANGLE IRON THAT WAS WELDED TO THE BARGE. UPON PUTTING HIS FULL WEIGHT ON THE IRON ANGLE, HIS RIGHT FOOT TURNED OVER ON ITS SIDE. EE WASN'T IN PAIN RIGHT AWAY BUT AS THE DAY WENT ON, THE PAIN INCREASE. AREA WAS LOCKED OUT PRIOR TO MAINTENANCE.

EE WAS REPLACING THE COUPLING BETWEEN THE CUTTER HEAD MOTOR AND GEAR BOX. WHILE DRIVING THE COUPLING ON W/ A HAMMER, HIS HAND SLIPPED AND HE STRUCK HI LEFT THUMB.

EMPLOYEE AND TWO OTHER EMPLOYEE'S WERE INSTALLING A WERA SLEEVE ON SHAFT WITH A HAMMER AND A PIECE OF BRASS. WHILE THE OTHER EE HIT THE BRASS PIECE ON ONE SIDE, IT SLIPPED AND HIT EE'S RIGHT T HUMB.