Installed elevator horn to the bearing brackets. Had to drill out the hole for the bushing due to the powder coat. Bushings went in good and snug. Put Green Lock tight on per AirCam (Jay). put grease on bolt. Inserted bolt and secured with castle nut and cotter pin provided. Also torqed bolt AN4-25A to 30"lbs. Reinstalled the brakets and torqed all bolts to 20"lbs Put 5 washers on the elevator stop per AirCam versus 4 in the book.