Instruction Manual
BG 56, BG 56 C, BG 66, BG 66 C, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C
English
2
Pictograms
The meanings of the pictograms 
attached to the machine are explained in 
this manual.
Depending on the model concerned, the 
following pictograms may be attached to 
your machine.
Symbols in text
WARNING
Warning where there is a risk of an 
accident or personal injury or serious 
damage to property.
NOTICE
Caution where there is a risk of 
damaging the machine or its individual 
components.
Engineering improvements
STIHL's philosophy is to continually 
improve all of its products. For this 
reason we may modify the design, 
engineering and appearance of our 
products periodically.
Therefore, some changes, modifications 
and improvements may not be covered 
in this manual.
Observe all applicable local safety 
regulations, e.g. by trade organizations, 
social insurance institutions, labor safety 
authorities etc.
If you have not used this machine 
before: Have your dealer or other 
experienced user show you how to 
handle your machine safely or attend a 
specialist course.
Minors must never work with the 
machine – except for young people over 
the age of 16 who are being trained 
under supervision.
Children, animals and bystanders must 
not be allowed near the machine.
When the machine is not in use, put it in 
a place where it does not endanger 
others. Secure the machine against 
unauthorized access.
The user is responsible for accidents or 
risks involving third parties or their 
property.
Guide to Using this Manual
Fuel tank; fuel mixture of 
gasoline and engine oil
Operate manual fuel 
pump
Safety Precautions and 
Working Techniques
Special safety precau-
tions must be observed 
when operating a power 
tool.
It is important you read 
and understand the User 
Manual before commis-
sioning and keep it in a 
safe place for future ref-
erence. Non-compliance 
with the User Manual 
may cause serious or 
even fatal injury.










