Instruction manual
FS 55, FS 55 C, FS 55 R, FS 55 RC
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
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, standards and ordinances.
If you have not used this type of power 
tool before: Have your dealer or other 
experienced user show you how to 
operate your power tool or attend a 
special course in its operation.
Minors should never be allowed to use a 
power tool.
Keep bystanders, especially children, 
and animals away from the work area.
When the power tool is not in use, shut it 
off so that it does not endanger others. 
Secure it against unauthorized use.
The user is responsible for avoiding 
injury to third parties or damage to their 
property.
Guide to Using this Manual
Fuel tank; fuel mixture of 
gasoline and engine oil
Operate decompression 
valve
Manual fuel pump
Operate manual fuel 
pump
Tube of grease
Intake air: Summer 
operation
Intake air: Winter 
operation
Handle heating
Warning where there is a risk of 
an accident or personal injury or 
serious damage to property.
Caution where there is a risk of 
damaging the machine or its 
individual components.
Safety Precautions and 
Working Techniques
Some special safety pre-
cautions must be 
observed to reduce the 
risk of personal injury 
when operating this 
power tool because of the 
very high speed of its cut-
ting attachment. 
It is important you read 
and understand the 
instruction manual before 
using your power tool for 
the first time and keep 
the manual in a safe 
place for future refer-
ence. Non-observance of 
the safety precautions 
may result in serious or 
even fatal injury.










