Instruction Manual
HS 46, HS 46 C, HS 56 C
English
22
Engine
STIHL single cylinder two-stroke engine
Ignition System
Electronic magneto ignition
Fuel system
All position diaphragm carburetor with
integral fuel pump
Cutting blades
HS 46
HS 46 C
HS 56 C
Weight
complete with cutting attachment, dry
HS 46
HS 46 C
HS 56 C
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
peq
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.
Specifications
Displacement: 21.4 cc
Bore: 33 mm
Stroke: 25 mm
Engine power to
ISO 7293:
0.65 kW (0.9 bhp)
at 8,700 rpm
Idle speed: 2,750 rpm
Cut-off speed: 9,300 rpm
Spark plug (resistor
type):
NGK CMR6H,
BOSCH USR4AC
Electrode gap: 0.5 mm
Fuel tank capacity: 280 cc (0.28 l)
Bidirectional, ground on one side
Sharpening angle to
horizontal: 35°
Tooth spacing: 30 mm
Stroke rate: 3,600/min
Cutting length: 450 mm
Bidirectional, ground on one side
Sharpening angle to
horizontal: 35°
Tooth spacing: 30 mm
Stroke rate: 3,600/min
Cutting length: 550 mm
Bidirectional, ground on both sides
Sharpening angle to
horizontal: 45°
Tooth spacing: 34 mm
Stroke rate: 3,600/min
Cutting length: 600 mm
450 mm blade: 4.0 kg
550 mm blade: 4.3 kg
600 mm blade: 4.5 kg
HS 46: 95 dB(A)
HS 46 C: 95 dB(A)
HS 56 C: 95 dB(A)
HS 46: 107 dB(A)
HS 46 C: 107 dB(A)
HS 56 C: 107 dB(A)
HS 46
Left handle: 4.5 m/s
2
Right handle: 4.9 m/s
2
HS 46 C
Left handle: 4.5 m/s
2
Right handle: 4.9 m/s
2
HS 56 C
Left handle: 4.7 m/s
2
Right handle: 5.5 m/s
2