This is unique to the HS 82 R. The manual details:
When you get the manual, immediately bookmark page 38 (carburetor tuning), page 52 (blade removal), and page 71 (clutch spring replacement). These are the most frequently referenced sections. stihl hs 82 r service manual
No. Stihl protects its IP. However, you can download the Parts List for free from Stihl USA's "Manuals & Safety Data Sheets" portal. That covers parts, not repair procedures. This is unique to the HS 82 R