THE EE WAS HELPING A MAINTENANCE TECH. CHANGE CUTTING EDGES. AFTER REMOVING THE FIRST SECTION FROM THE MOLD BOARD; THE REMAINING 8'SECTION OF CUTTING EDGE FELL OFF WHILE THEY WERE GETTING READ Y TO MOVE THE FORKLIFT. THE CUTTING EDGE SECTION LANDED ON THE EE'S LEFT FOOT. HE WAS TAKEN TO THE E.R. FOR EVALUATION AND TREATMENT. HE WAS DIAGNOSED WITH A FRACTURE & GIVEN RESTRICTED DUTY.