Hey all, Im new hear and to the MB world. I posted this on another board with almost no help, then the local Mercedes guy pointed m to here. And in doing searches on here compared to elsewhere this looks like the place to get answers. I read a bunch of old posts on this subject and got alot of good info, but still couldnt answer my quetion. Heres what I posted. Im mainly asking about the lip as the other questions were covered. ( lohttp://en.allexperts.com/q/Mercedes-Benz-repair-822/Belts-pulleys-etc.htmtsa info here )

Hello all, noob here. I just bought an 82 300SD, I got it for a steal because the harmonic balancer fell off on the previous owner. The engine starts and runs fine so I think it is a really easy fix. Just a coule questions. Has this ever happened to anyone, why would it? Also there is a lip around the outer edge of the area the goes into the oil seal area. it is beveled out and sharp. I don't know whether this is suposed to be there or if it is there as a result of some kind of wallowing action that occured when the pulley came off. Here is a pic to be a little clearer. Sorry for the quality, my cam lacks a macro feature.

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