Husqvarna 553RBX Operating Instructions Manual page 26

Catalytic converter muffler
Ignition system
Spark plug
Electrode gap, mm
Fuel and lubrication system
Fuel tank capacity, l/cm³
Weight
Without fuel, cutting attachment and guard, kg
1
Noise emissions
Sound power level, measured dB(A)
Sound power level, guaranteed L
2
Noise levels
Equivalent sound pressure level at the operator's ear, measured according to EN ISO 11806 and ISO 22868, dB(A),
min./max.
Equipped with trimmer head (original)
Equipped with grass blade (original)
3
Vibration levels
Equivalent vibration levels (a
Equipped with trimmer head, left/right
Equipped with grass blade (original)
1
Noise emissions in the environment measured as sound power (L
2000/14/EC. Reported sound power level for the machine has been measured with the original cutting attach-
ment 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 dif-
ferent machines of the same model according to Directive 2000/14/EC.
2
Reported data for equivalent sound pressure level has a typical statistical dispersion (standard deviation) of 1
dB (A).
3
Reported data for vibration level has a typical statistical dispersion (standard deviation) of 1 m/s
26
dB(A)
WA
) at handles, measured according to EN ISO 11806 and ISO 22867, m/s
hv,eq
553RBX
No
NGK CMR7H
0.6-0.7
0.8/800
12.1
115
118
103
102
3.3 / 2.7
5.3 / 3.4
) in conformity with EC directive
WA
1104 - 001 - 11.04.2019
2
2
.