Hi Mr. Benson,
When you have a moment, would you mind sending me the service manuals for the following (if you have them)?:
Stihl FS 311 Brush Cutter
Stihl FS 310 Brush Cutter
Stihl BT 120 C Earth Auger
Stihl HS 82 R Hedge Trimmer
Stihl HS 82 T Hedge Trimmer
Thank you!
Danny Murphy