You are painting the platform or the gates and base. I restored about 10 of these over a cold winter two years ago. Removed, the solenoid...All, wire nuts...etc.
I then went in search for platforms where the plating was in semi good shape. Amazing, some responded to a Coca Cola bath and others did not. Some
Anyway, I went full boat. Remove the copper strip and rivets on the lower base.
new fish paper supplied by our missed buddy Dale M!
I actually may have extra parts already painted....which version do you have
The earlier or later?