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Nomenclature of parts technical data – Echo SRM-400U User Manual

Page 4

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4

SRM-400U

Dimension

L × W × H

cm

186 Ч 70Ч 43 (73.2 in × 27.6 in × 16.9 in)

Mass

kg

9.9 (21.8 lb): without shoulder harness and cutter head

Engine

Type

Air cooled two stroke single cylinder

Displacement

mL (cm³)

42.7 (2.6 cu.in)

Maximum
revolution

r/min

10,000

Carburetor

Walbro diaphragm type WYK

Ignition

Flywheel magneto: CDI (Capacitor Discharge Ignition)
system

Spark plug

CHAMPION RCJ-6Y

Starter

Recoil starter

Clutch

Automatic centrifugal clutch

Fuel

Mixing ratio

50 : 1 ratio with ECHO Power Blend X™, ISO-L- EGD
(ISO/CD 13738) and JASO M345-FC/FD two-stroke,
air-cooled engine oil.

Gasoline

Use 89 octane unleaded.
Do not use fuel containing methyl alcohol, more than
10 % ethyl alcohol or 15 % MTBE.
Do not use alternative fuels such as E-20 or E-85.

Tank capacity

L

1.0 (33.8 US fl. oz.)

Drive shaft

Cutter (Option)

Nylon line cutter head

assembly

Cutter

Circular saw, 25 cm (10 in)

Cutter (Option)

8 cutter blade, 20 cm (8 in)

Gear housing

60 degree bevel gears, ratio 1 : 1.33 (Counterclockwise)

Lubrication

Good quality lithium grease

Drive shaft

High tensile solid steel, 5 bearings

Shield

Metal shield mounted on the gear housing for nylon line
and metal blade applications.

NOMENCLATURE OF PARTS

TECHNICAL DATA

Spark plug

Decompression device

Muffler

Choke lever

Air cleaner cover

Starter handle

Fuel tank

Gear housing

Ignition switch

Drive shaft assembly

Shield

Shoulder harness

Throttle trigger

Grip

Part number 890177-51330

Part number 890317-49030

Technical data subject to change without notice.