Instruction Manual

MS 271, MS 271 C, MS 291, MS 291 C
English
48
Rollomatic E guide bars
Chain sprocket
Noise and Vibration Data
For further details on compliance with
Vibration Directive 2002/44/EC see
www.stihl.com/vib.
Sound pressure level L
p
to ISO 22868
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.
Cutting lengths: 37, 40, 45 cm
Pitch: 3/8" (9.32 mm)
Groove width: 1.6 mm
Sprocket nose: 11 tooth
7-tooth for 3/8"
Max. chain speed to
ISO 11681: 27.5 m/s
Chain speed at maximum
power output: 21.7 m/s
7-tooth for .325"
Max. chain speed to
ISO 11681: 24.4 m/s
Chain speed at maximum
power output: 19.3 m/s
MS 271: 103 dB(A)
MS 271 C: 103 dB(A)
MS 291: 103 dB(A)
MS 291 C: 103 dB(A)
MS 271: 115 dB(A)
MS 271 C: 115 dB(A)
MS 291: 116 dB(A)
MS 291 C: 116 dB(A)
Handle, left
Handle,
right
MS 271: 4.5 m/s
2
4.5 m/s
2
MS 271 C: 4.5 m/s
2
4.5 m/s
2
MS 291: 4.5 m/s
2
4.5 m/s
2
MS 291 C: 4.5 m/s
2
4.5 m/s
2