Instruction Manual

MS 231, MS 231 C, MS 251, MS 251 C
English
48
Sound power level L
w
to ISO 22868
Vibration measurement a
hv, eq
to
ISO 22867
The K-factor in accordance with
Directive 2006/42/EC is 2.0 dB(A) for
the sound pressure level and sound
power level; the K-factor in accordance
with Directive 2006/42/EC is 2.0 m/s
2
for the vibration level.
REACH
REACH is an EC regulation and stands
for the Registration, Evaluation,
Authorisation and Restriction of
Chemical substances.
For information on compliance with the
REACH regulation (EC) No. 1907/2006
see www.stihl.com/reach.
Exhaust Emissions
The CO
2
value measured in the EU type
approval procedure is specified at
www.stihl.com/co2.
The measured CO
2
value was
determined on a representative engine
in accordance with a standardized test
procedure under laboratory conditions
and does not represent either an explicit
or implied guarantee of the performance
of a specific engine.
The applicable exhaust emission
requirements are fulfilled by the
intended usage and maintenance
described in this instruction manual. The
type approval expires if the engine is
modified in any way.
Please enter your saw model, serial
number as well as the part numbers of
the guide bar and saw chain in the
spaces provided. This will make re-
ordering simpler.
The guide bar and saw chain are subject
to normal wear and tear. When
purchasing these parts, always quote
the saw model, the part numbers and
names of the parts.
MS 231: 114 dB(A)
MS 231 C: 114 dB(A)
MS 251: 114 dB(A)
MS 251 C: 114 dB(A)
Handle, left
Handle,
right
MS 231: 3.9 m/s
2
3.9 m/s
2
MS 231 C: 3.9 m/s
2
3.9 m/s
2
MS 251: 3.9 m/s
2
3.9 m/s
2
MS 251 C: 3.9 m/s
2
3.9 m/s
2
Ordering Spare Parts
Model
Serial number
Guide bar part number
Chain part number