New wheel cylinder in place; the original was scored and leaking. One piston was seized and you could see that only one brake shoe was contacting the drum. There is plenty of wear left on the linings so I simply gave them a clean up with a wire brush.
The adjuster mechanisms go through the back plate and are held in place with a double coil washer (I think it's a Thackray washer), a dished washer and a circlip. It sits in a recess in the back plate and I could not get it anywhere near on
I made a special tool on the lathe that would compress the spring and washer while I fed the circlip in from the side
This worked well enough.
Here are the completed brakes and hub
