There is a tutorial on this in the Resources section. It is under DIY Articles.
http://www.peachparts.com/Wikka/W123FrontPadsRotors
I did mine recently. I don't remember a crush washer or spacer? Maybe that is your problem? Unless you are referring to the rear grease seal.
All I remember pulling out to clean was 2 bearings and a big nut. Then replacing the inner grease seal before re-installation.