TWO EMPLOYEES WERE REMOVING THE BOTTOM ENGINE GUARDS WHEN THE END OPPOSITE INJURED FELL TO THE GROUND CAUSING THE GUARD TO HIT HIM IN THE RIGHT HAND. THE GUARDS WERE HEAVIER THAN NORMAL DUE TO MUD AND DIRT. DUE TO THE LOCATION OF THE GUARD,A CRANE WAS NOT AN OPTION AND HAD TO BE REMOVED BY HAND (TWO MEN).