http://www.brickboard.com/RWD/index.htm?id=1222581&show_all=1

Try this for some pictures of a similar clock.
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Thanks for all the help. DougC 1981 242, IPD bars and Turbo wheels, M46 :::::::::::::::::: 1993 245, B230 NA L-Block, M47, Turbo bars::::::::::::1984 760, B23FT, M46, waiting to donate engine to 242

You have to either take off the bezel, probably mangling the bezel in the process, or cut the clock open around the perimeter of the metal case. It's easy to do. I repaired three last fall, and it was a fun project. There are two capacitors in there that you de-solder, remove, and replace. Art Benstein has some good pictures of the process. Check cleanflametrap.com. I'll look for a recent post about it and let you know if I can find it.
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Thanks for all the help. DougC 1981 242, IPD bars and Turbo wheels, M46 :::::::::::::::::: 1993 245, B230 NA L-Block, M47, Turbo bars::::::::::::1984 760, B23FT, M46, waiting to donate engine to 242

http://www.pelicanparts.com/techarticles/mult_vdo_clock_repair/mult_vdo_clock_repair.htm

you can also swap in a large clock gut instead of replacing the capacitor.