Howdy, do you have the same jalousie widows as the 13 ft. Bolers have? If so you can change the crank assemblies without cutting the shaft but carefully cutting and bending the window frame inside the trailer.....I`ve done both sides of my
Boler windows and it works slick.....I told another member how to do it, but he bent the aluminum too sharply and broke off the piece of metal....Benny