Just in case you needed this link, Google listed it on the front page of their "How To" section. Man, I'm glad someone posted it. I've been meaning to do this for a long time now.
How to Strip and Clean a 29mm Pentacon M42 Lens
And here's a quote I thought was completely true, ironically.
"There are only two ways of telling the complete truth--anonymously and posthumously."
And now, here are a couple photos.