Denny,
There is a small glovebox size manual for 47-51 Cabs that illustrates how to shim, change weatherstrip, glass etc.
Look in the Jim Carter Catalog Item #LI540 They are $6-7$ as I recall. It is a handy little book with lots of pictures and tips.
Brad
Last edited by Brad Allen; 06/23/2010 8:29 PM.