You will probably need a puller. See picture. I use a universal puller but there are pullers specific to the Model A
Back off the brake shoe adjustment as far as you can, and you may even need to remove the brake actuating rod and the e-brake rod.
I've used these to help shim the hub.
https://modelastore.com/index.php?ro...&category_id=0
I use Shell Rotella 15-40 oil. It's supposed to have some zinc content and is reasonably priced.
Lots of different opinions on oil....