Have a look at Wallace's mostly Wadkin rebuilds for some inspiration.
He has restored a lot of stuff
Which mask are you using with the 2 pack ?
www.ukworkshop.co.uk
Get it running first before panting....
often guilty of getting the flap disc out after the fact.
Even though I have done this once or twice,
I can say haven't done a good job ever, as I was too mean to buy filler.
Doesn't bother me having all the pitting there, but might bother someone who does that sort of thing.
Make sure you paint with some glossy paint, like tractor enamel or something, as dust just clings to a lesser quality gloss.
Be careful with the windings on that motor, as they could be very delicate.
Take photos of anything what might be confusing like switches.
It should make for a really good machine, as in
no slop in the quill.
Good luck with the restoration
Tom