Archery Talk has a forum dedicated to tuning and has some very useful articles. You may need to trawl through to find what you are after but it is worth a look. Some of the tips are from factory engineers and their top archers, however like anything you will need to sort the good from the bad - just look at the comments on the threads
Yes, you can download one from the Eastonarchery website.
I looked at this too, it looks very good.Easton used to have a good guide that was downloadable called "Arrow Tuning and Maintenance Guide" but it also covers bow tuning for all bows and I found it quite helpful---- Good luck with your tuning :beer: cheers