Echo SRM-3021TES, Operator'S Manual

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Specifications
Specifications
These specifications are subject to change without notice.
SRM-3021TES
L U
External dimensions: Length × Width × Height (without cutting at-
tachment)
1799 × 350 × 349 mm 1799 × 646 × 569 mm
Mass:
Unit without fuel, cutting attachment and harness (ISO11806-1: 2011)
Unit with fuel, specified cutting attachment, guard and harness
Unit without fuel, cutting attachment, guard and harness 6.4 kg
7.4 kg
5.9 kg 6.5 kg
8.1 kg
6.0 kg
Volume: Fuel tank (full) 710 mL
Fuel: Gasoline
Oil
Mixture ratio
Regular grade petrol. Minimum 89 Octane unleaded
petrol is recommended. Do not use fuel containing me-
thyl alcohol or more than 10% of ethyl alcohol.
Two stroke, air-cooled engine oil. ISO-L-EGD Standard
(ISO 13738), JASO FC,FD grade and ECHO recom-
mended oil.
50:1 part (
2% )
Cutting attachment:
Nylon line cutting head (Cutting swath)
Thread
Nylon cord size (diameter)
Nylon cord length SF400 (508)
Left-handed thread M10×1.25 pitch
2.4 mm
3.5 m
Gear Case: Gear ratio and lubrication
Rotational direction of output shaft viewed from above
maximum rotational frequency of the spindle
1.62 reduction and good quality lithium grease
Anticlockwise
7720 r/min
Engine: Type
Carburettor
Magneto
Spark plug
Starter
Power transmission
Engine displacement
Maximum shaft brake power (ISO 8893)
Fuel consumption at maximum engine power
Recommended maximum engine speed (With STD attachment in-
stalled)
Recommended engine idling speed
Air cooled two stroke, single cylinder
Diaphragm type
Flywheel magneto - CDI system
NGK CMR7H
Recoil starter
Automatic centrifugal clutch
30.5 cm
3
1.3 kW
0.72 L/h
10100 r/min
2900 (-100~0) r/min
2006/42/EC
Vibration
(ISO 22867) a
hv,eq
Left handle
Right handle
Uncertainty K 3.5 m/s
2
2.6 m/s
2
1.2 m/s
2
3.9 m/s
2
2.6 m/s
2
1.2 m/s
2
Sound pressure level (ISO 22868) LpAeq
Uncertainty K
pA
94.9 dB(A)
1.5 dB(A) 94.9 dB(A)
1.5 dB(A)
Sound power level (ISO 22868) L
WARa
Uncertainty K
WA
107.0 dB(A)
2.1 dB(A) 107.7 dB(A)
2.1 dB(A)