If the manual is for the model year we have been discussing here, 47254, 47255, I'd like a copy. I think I have all the info I need from a a manual for an older version, but it would still be good to have the right manual.
I assume you have all found this, but just in case, the company that bought Troy Bilt has some parts available, including belts.
http://www.chalmersindustries.com/ChipperParts-s/143.htm
Also, Rustoleum makes a Troy Bilt Red spray paint.
https://www.lowes.com/pd/Rust-Oleum-Gloss-Troy-Built-Red-Spray-Paint-Actual-Net-Contents-12-oz/999977810 Now that I have my machine running well again, I will touch up the paint, remove the rust, and hope for another 10 years or so. Jim