Echo SRM-420TES User Manual

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Specifications
Specifications
These specifications are subject to change without notice.
SRM-520ES
External dimensions:
Length × Width × Height 1835 × 705 × 560 mm
Mass:
Unit without fuel, cutting attachment and guard (ISO11806)
Unit with fuel, specified cutting attachment, guard and harness
9.0 kg
11.7 kg
Volume: Fuel tank 0.79 L
Cutting attachment:
Usable cutting depth of specified cutting attachment
Specified blade diameter
Specified blade thickness
Number of cutting teeth
Blade centre hole diameter
Blade rotational speed at maximum allowable engine speed
80 mm
255 mm
3.0 mm
3
25.4 mm
10000 r/min
Gear ratio: Gear ratio and lubrication 1.33 reduction and good quality lithium grease
Rotational direction of output shaft seen from above: Anticlockwise
Engine:Type Air cooled two stroke, single cylinder
Engine displacement
Maximum shaft brake power, measured in accordance with ISO 8893
Engine speed at maximum engine power
Recommended maximum engine speed (With STD attachment in-
stalled)
Recommended engine idling speed
50.2 mL (cm
3
)
2.16 kW
12000 r/min
9000 r/min
2800 r/min
Carburettor
Ignition
Spark plug
Starter
Clutch
Diaphragm type
Flywheel magneto - CDI system
NGK BPMR8Y
Recoil starter
Automatic centrifugal clutch
Fuel:
Oil
Ratio
Fuel consumption at maximum engine power
Specific fuel consumption at maximum engine power
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/CD 13738), JASO FC,FD grade and ECHO Premi-
um 50 : 1 oil.
50:1 (2%)
1.23 L/h
423 g/(kW•h)
Vibration levels: (ISO 22867)a
hv,eq
Right handle 3.4 m/s
2
Left handle 3.2 m/s
2
Uncertainty 0.8 m/s
2
Sound pressure level: (ISO 22868) LpAeq
Uncertainty : (K
pA
)
97.7 dB(A)
0.8 dB(A)
Guaranteed sound power level:(ISO 22868) L
WA
115 dB(A)

Echo SRM-420TES Specifications

General

Brand	Echo
Model	SRM-420TES
Category	Trimmer
Language	English