I had the same problem with the tapped hole for the crank retaining bolt being off center and at a pretty bad angle. This is a link to a very short video showing my solution to the problem.
https://www.youtube.com/watch?v=76AJTwnWp2Y
Yes, the original diagram is much better but when I attach it to the post it does some automatic compression on the image. Is there a way to avoid this compression? it is only a 50Kb file
I completed the construction on my keezer a few days ago. Most of the ideas came from this thread, I would like to say thank you to all the people I have learned from while reading through all of these posts.
Here is what keezer ended up like: