BJ,

Here is the saga with mine, it should be the same on a 40:

https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1030208/2.html

The tips from Tom "nannyman" on 21/5/14 were the most helpful. Making the pointed screw tips to scribe the center rib screw locations was a great idea and it worked well for me. I would recommend that you get a decent and patient assistant for this job.

Paul


1941 Chevy 1 1/2-ton WW2 4x4 dump truck
In the Stovebolt Gallery
Lots more pictures