Echo CS-420ES Service Manual

34
FUEL SYSTEM
CS-370ES
CS-420ES
4-15 Installing carburetor
1. Connect pulse line (A) and fuel line (B) to fittings
on carburetor.
2. Place carburetor elbow on carburetor and pass
two screws through the holes (C).
3. Install carburetor and carburetor elbow (D) with
three screws (E), passing fuel inlet line (F) under
fuel line (B) and fuel return line (G) as shown.
4. Connect choke rod (H) with carburetor, passing
fuel return line (G) as shown.
5. Connect throttle rod (J) with carburetor, passing
fuel inlet line (F) as shown. Set switch bracket in
place (Refer to “3-5 Replacing ignition switch”).
6. Connect fuel inlet line (F) and fuel return line (G)
with fittings of purge bulb referring to “4-3 Replacing
purge bulb”).
7. Reassemble air filter, cylinder cover and cleaner
lid.
A
B
C
E
F
B
G
F
G
H
J
D
G

Echo CS-420ES Specifications

General

Saw Chain Gauge	0.050 inches
Fuel Capacity	0.41 liters
Weight	4.6 kg
Saw Chain Pitch	3/8 inches
Bar Length	16 inches