I have a 71 220 Diesel and was just curious what some of the scheduled mileage maint. are..... timimg chain, adjustments, etc..etc.... Any info would be great!

Your question is quite reasonable. I think the problem is not many owners of your model are on our forum. Why not try your question on the vintage forum?
There are probably at least a few guys over there that have them. The only thing I remember is to deal with the oil in the injection pump as it is self contained.
I am very much in agreement with the concept of giving any car a good checkout periodically. Nice to have the guidelines you are requesting as well.

Is it really? I better really look into that!!!

thanks for the heads up!