English
Guide to Using this Manual
This Instruction Manual refers to a
STIHL chain saw, also called a machine
in this Instruction Manual.
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.
Fuel tank; fuel mixture of
gasoline and engine oil
Chain oil tank; chain oil
Engaging and disengag-
ing the STIHL Quickstop
chain brake
Direction of chain rotation
Ematic; chain oil quantity
control
Tension the chain
Intake air preheating for
winter operation
2
Intake air for summer
operation
Handle heating
Operate decompression
valve
Operate manual fuel
pump
Symbols in Text
Many operating and safety instructions
are supported by illustrations.
The individual steps or procedures
described in the manual may be shown
in different ways:
A bullet indicates a step or
N
procedure.
A description of a step or procedure that
refers directly to an illustration may
contain item numbers that appear in the
illustration. For example:
Remove the screw (1)
N
Pull the spark arresting screen (2)
N
upwards out of the muffler
In addition to the operating instructions,
this manual may contain paragraphs
that require your special attention. Such
paragraphs are indicated with the
symbols and signal words described
below:
DANGER
Indicates a hazardous situation that, if
not avoided, will result in death or
serious injury.
WARNING
Indicates a hazardous situation that, if
not avoided, could result in death or
serious injury.
NOTICE
Indicates a risk of property damage,
including damage to the machine or its
individual components.
Engineering Improvements
STIHL's philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time to time. Therefore,
some changes, modifications and
improvements may not be covered in
this manual. If the operating
characteristics or the appearance of
your machine differs from those
described in this manual, please contact
your STIHL dealer or the STIHL
distributor for your area for assistance.
MS 171, MS 181, MS 181 C, MS 211, MS 211 C