Husqvarna ST 424, Operator'S Manual

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Disposal
• Obey the local recycling requirements and applicable
regulations.
• Discard all chemicals, such as engine oil or
antifreeze, at a service center or at an applicable
disposal location.
• When the product is no longer in use, send it to a
Husqvarna dealer or discard it at a recycling
location.
• Discard the battery at a service center or discard it at
a disposal location for used batteries.
Technical data
Technical data
ST 424 ST 427 ST 430 ST 424T ST 427T ST 430T
Dimensions
Weight, with empty tanks,
kg
140 145 150 160 165 170
Max. operating tire pres-
sure, PSI
18 18 20
N/A N/A N/A
Engine
Brand Husqvarna Husqvarna Husqvarna Husqvarna Husqvarna Husqvarna
Displacement, cc 291 369 414 306 369 420
Fuel type Unleaded regular (maximum 10% ethanol)
Fuel capacity, gal / l 0.62 / 2.35 0.62 / 2.35 0.62 / 2.35 0.95 / 3.60 0.95 / 3.60 0.95 / 3.60
Oil type (API SJ-SN) SAE 5W30 (below 0°C (32°F))
Oil capacity fl. oz. / l 32 / 0.95 38 / 1.12 38 / 1.12 32 / 0.95 38 / 1.12 38 / 1.12
Electrical system
Spark plug F6RTC
Spark plug electrode gap
(in. / mm)
0.027 / 0.686
Noise emissions
4
Sound power level, meas-
ured dB(A)
<105 db <105 db <105 db <105 db <105 db <105 db
Sound power level, guaran-
teed L
WA
dB(A)
105 db 105 db 105 db 105 db 105 db 105 db
Vibration levels, a
hveq
5
Vibration level on the han-
dle, m/s
2
4.57 m/s
2
5.07 m/s
2
5.83 m/s
2
4.11 m/s
2
4.65 m/s
2
5.25 m/s
2
4 Noise emissions in the environment measured as sound power (L
WA
) in conformity with EC directives
2000/14/EC and 2005/88/EC.
5
Vibration level according to ISO 5349-2 EN 1033.
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