How to Disassemble a Stihl BG-86 Blower | eHow How to Disassemble a Stihl BG-86 Blower. The BG-86 is a lawn and leaf blower manufactured by Stihl, a company that is primarily known for making hand-held power tools like saws and drills. The BG-86 features both a blowing tube and a special vacuum tube and bag that can actually suck up leaves. The BG-86 needs routine maintenance, such as fuel.. BG 86 - Very powerful hand held blower - Stihl HD2 Filter. The HD2 filter, made from polyethylene filter material, has pores that are up to 70% finer than those of fleexe and polyamide filters and therefore eliminates even the finest dust. In addition, it repels oil and water and is therefore very easy to clean. The PET filter cartridge can be removed and inserted without tools.