EMPLOYEE WAS USING A FRONT END LOADER TO JUMP START A GENERATOR SET. STANDING ON THE LOADER ENTRY PLATFORM HE REACHED INTO THE CAB TO TILT THE SEAT FORWARD WHEN HIS FEET SLIPPED AND HE HIT HIS RIGHT SHIN AND KNEES ON THE THRESHOLD OF THE CAB DOOR. EMPLOYEE HAD MINER SCRAPE ON RIGHT SHIN. REFUSED ATTENTION AND RTW THAT MORNING. (STARTED MISSING 8-5-04 MAKING THIS REPORTABLE)