Mine is still in the package along with the instructions and diagrams. If I can get it together here, I will scan them and send them to you.
As you thought, the round part is used to remove the return springs from the anchor pin at the top.
You use the other leg of the same end to slide the spring onto the anchor pin.
The other end of the tongs is used to place the remaining end of the adjuster spring in the shoe.
