Shindaiwa EC741s, Operator'S Manual

Page: 38 / 160

36
Specifications
Specifications
∗ Technical data subject to change without notice.
Model
EC741s
External dimensions: without cutting wheel
Length × Width × Height mm 620 × 240 × 407
Mass: Without cutting wheel and empty tanks kg 10.7
Volume:
Fuel tank
Fuel (Mixture ratio) L 0.7
Regular grade petrol.
Minimum 89 Octane unleaded petrol is recommended.
Do not use fuel containing methyl alcohol or more than
10 % of ethyl alcohol.
50 : 1 (
2 % ) for ISO-L-EGD Standard (ISO/CD13738),
JASO FC, FD grade and shindaiwa recommended oil.
Engine:
Type
Carburettor
Magneto
Spark plug
Starter
Power transmission
Engine displacement
Maximum engine power (ISO 7293)
Maximum engine speed
Recommended speed at idling
mL (cm
3
)
kW
r/min
r/min
Air cooled 2-stroke single cylinder
Diaphragm type
Flywheel magneto, CDI system
NGK BPMR7A
Recoil starter
Soft Start (See page 2)
Automatic centrifugal clutch
73.5
3.2
9750
2800
Cutting device:
Belt
Pulley ratio
Belt tensioner
Wheel
Maximum cut-off wheel speed
Flange outside diameter
Wheel fastener tightening torque
Maximum spindle speed rating
mm
r/min
mm
N•m
r/min
6PJ-808
2.57 : 1
Coil Spring system
350 × 4.7 × 20
More than 4370
100
25 - 30
3820
Sound pressure level: (ISO 22868) L
p Aeq
=
Uncertainty K
pA
=
Sound power level: (ISO 22868) L
W AFI+Ra
=
Uncertainty K
WA
=
dB(A)
dB(A)
dB(A)
dB(A) 101
2.7
112
2.0
Vibration: (ISO 22867) Equivalent values a
hv,eq
Front handle / Rear handle
Uncertainty
K =
m/s
2
m/s
2
5.2 / 4.4
1.2
Other devices: Rear hand guard, Throttle trigger lockout,
Anti-vibration device, Decompression device