Stihl MS 172 User Manual

3 Wing nut
The wing nut fastens the sprocket cover to
the chain saw.
3.3 Symbols
Meanings of icons that may be on the chainsaw:
This icon denotes the fuel tank.
This symbol marks the saw chain oil tank.
Direction in which the chain brake is
engaged or released.
This symbol shows the direction of
rotation of the saw chain.
Rotate in this direction to increase the saw
chain tension
This symbol indicates the manual fuel
pump.
Switch the master control lever in this
direction to shut the engine off.
Switch the master control lever in this posi‐
tion to shut the engine off.
Switch the master control lever in this posi‐
tion to run the engine.
Switch the master control lever in this posi‐
tion to start the engine.
Switch the master control lever in this posi‐
tion to prepare the engine for startup.
L
W
A
Guaranteed sound power level in
accordance with Directive 2000/14/EC
in dB(A) for the purpose of comparing
the sound emissions of products.
4 Safety Precautions
4.1 Warning Signs
Meanings of warning signs on the chainsaw:
Observe safety notices and take the
necessary precautions.
Read, understand and save the
instruction manual.
Wear safety glasses, hearing protec‐
tion and a hard hat.
Observe safety notices on kickback
and take the necessary precautions.
4.2 Intended Use
The STIHL MS 162 and MS 172 chainsaws are
designed for cutting wood, limbing and felling
trees.
WARNING
■
Using the chainsaw for purposes for which it is
not designed may result in serious or fatal inju‐
ries and damage to property.
►
Always use the chainsaw as described in
this User Manual.
4.3 The Operator
WARNING
■ Users without adequate training or instruction
cannot recognize or assess the risks involved
in using the chainsaw. The user or other per‐
sons may sustain serious or fatal injuries.
► Read, understand and save the
instruction manual.
► If the chainsaw is passed on to another per‐
son: Always give them the instruction man‐
ual.
►
Make sure the user meets the following
requirements:
–
The user must be rested.
–
The user must be in good physical con‐
dition and mental health to operate and
work with the chainsaw. If the user’s
physical, sensory or mental ability is
restricted, he or she may work only
under the supervision of or as instructed
by a responsible person.
–
The user can identify and assess the
dangers of the chainsaw.
–
The user must be of legal age or is
being trained in a trade under supervi‐
sion in accordance with national rules
and regulations.
–
The user has received instruction from a
STIHL servicing dealer or other experi‐
enced user before working with the
chainsaw for the first time.
–
The user must not be under the influ‐
ence of alcohol, medication or drugs.
► If the user is working with a chainsaw for
the first time: Practice cutting logs on a
sawhorse or other support.
►
If you have any queries: Contact your
STIHL servicing dealer for assistance.
English 4 Safety Precautions
4 0458-200-0121-B

Stihl MS 172 Specifications

General

Sound pressure level	100 dB(A)
Sound power level	113 dB(A)
Displacement	31.8 cc (1.9 cu in)
Saw chain pitch	3/8"
Recommended bar length	30-35 cm (12-14 in)