Technical data
unit
331R
Engine specifications
Cylinder displacement
cm
3
32.6
Cylinder bore
mm
36.0
Stroke
mm
32.0
Idling speed
rpm
3000±300
Maximum speed
rpm
10600
Speed of output shaft
rpm
7800
Maximum engine output
kW/rpm
1.0/7000
Spark plug
NGK BPMR7A
Electrode gap
mm
0.6-0.7
Fuel tank capacity
cm
3
1100
Noise and vibration data
Equivalent vibration level (ahv, eq), equipped with grass blade, left/
right handle - see note 1
m/s
2
5.4/5.5
Equivalent vibration level (ahv, eq) equipped with trimmer head, left/
right handle - see note 1
m/s
2
6.1/6.2
Sound power level, guaranteed (L
WA
) - see note 2
dB(A)
108
Sound power level, measured - see note 2
dB(A)
106.9
Sound pressure level at operator's ear, equipped with grass blade -
see note 3
dB(A)
97.2
Sound pressure level at operator's ear, equipped with trimmer head -
see note 3
dB(A)
96.9
Product dimensions
Weight (excluding cutting equipment)
kg
7.2
Note 1: Reported data for equivalent vibration level has a typical statistical dispersion (standard deviation) of 1.5
m/s
2
.
Note 2: Noise emissions in the environment measured as sound power (L
WA
) in conformity with EC directive
2000/14/ EC. Reported sound power level for the machine has been measured with the original cutting attachment
that gives the highest level. The difference between guaranteed and measured sound power is that the guaranteed
sound power also includes dispersion in the measurement result and the variations between different machines of
the same model according to Directive 2000/14/EC.
Note 3: Reported data for equivalent sound pressure level for the machine has a typical statistical dispersion (stand-
ard deviation) of 2.5 dB (A).
1158 - 005 - 26.03.2020
21
Содержание 331R
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Страница 76: ...www husqvarna com Original instructions Instrucciones originales Instruções originais 1141094 94 2020 03 26 ...