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Specifications
Engine
STIHL single cylinder two-stroke engine
Displacement:
21.4 cc
Bore:
33 mm
Stroke:
25 mm
Engine power to
0.65 kW (0.9 bhp)
ISO 7293:
at 8,700 rpm
Idle speed:
2,750 rpm
Cut-off speed:
9,300 rpm
Ignition System
Electronic magneto ignition
Spark plug (resistor
NGK CMR6H,
type):
BOSCH USR4AC
Electrode gap:
0.5 mm
Fuel system
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity:
280 cc (0.28 l)
Cutting blades
HS 46
Bidirectional, ground on one side
Sharpening angle to
horizontal:
35°
22
Tooth spacing:
30 mm
Stroke rate:
3,600/min
Cutting length:
450 mm
HS 46 C
Bidirectional, ground on one side
Sharpening angle to
horizontal:
35°
Tooth spacing:
30 mm
Stroke rate:
3,600/min
Cutting length:
550 mm
HS 56 C
Bidirectional, ground on both sides
Sharpening angle to
horizontal:
45°
Tooth spacing:
34 mm
Stroke rate:
3,600/min
Cutting length:
600 mm
Weight
complete with cutting attachment, dry
HS 46
450 mm blade:
HS 46 C
550 mm blade:
HS 56 C
600 mm blade:
Noise and Vibration Data
Noise and vibration data are measured
at idling and maximum rated speed in a
ratio of 1:4.
For further details on compliance with
Vibration Directive 2002/44/EC see
www.stihl.com/vib/
Sound pressure level L
HS 46:
HS 46 C:
HS 56 C:
Sound power level L
HS 46:
HS 46 C:
HS 56 C:
Vibration measurement a
ISO 22867
HS 46
Left handle:
Right handle:
HS 46 C
4.0 kg
Left handle:
Right handle:
HS 56 C
4.3 kg
Left handle:
Right handle:
The K-factor in accordance with
4.5 kg
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
for the vibration level.
to ISO 22868
peq
95 dB(A)
95 dB(A)
95 dB(A)
to ISO 22868
w
107 dB(A)
107 dB(A)
107 dB(A)
to
hv,eq
2
4.5 m/s
2
4.9 m/s
2
4.5 m/s
2
4.9 m/s
2
4.7 m/s
2
5.5 m/s
2
HS 46, HS 46 C, HS 56 C
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