I want to have a second pair of eyes look at this before I potentially increase the water level in my sea of woe.

If I am reading this diagram correctly, it appears that I need to remove #8 to remove the remaining side of the pulley cage, which will garner me access to the spring inside.

http://www.shimano.com/media/techdoc...9830753822.pdf

However this screw appears to be missing altogether, so.. argh!

help me? :S