STIHL BG 55, 65, 85, SH 55, 85 Owners Instruction Manual BG 55, BG 65, BG 85, SH 55, SH 85 English 2 Pictograms The meanings of the pictograms attached to or embossed on the machine are explained in this manual. Depending on the model concerned, the following pictograms may be on your machine. Symbols in Text Many operating and safety instructions are supported by illustrations.