These images show the ground out front trunnion bracket (the welds have been ground down) - there's a small hairline gap in the inside corner - I'm having it touched up this weekend as well as some slight voids.
The inside of the case isn't bad - not much rust at all, mostly at the bottom (expected). No weird cut-outs or anything - just some clean-up. I've already banged out some edge dents that will be followed up with a light coat of body putty.
The base has ruts but mostly surface with little pitting - I think it will clean up well with the sandblasting - any rough spots I'll hit with body putty. There are two holes that were cut with the castors - I'm not yet sure what to do about those. Welding to the cast iron seems excessive.
Once I have the trunnion assembly pulled apart I'm starting on the motor rebuild - I may go ahead and take it apart so the commutator can be turned.