Echo CS-420ES Service Manual

26
FUEL SYSTEM
CS-370ES
CS-420ES
4-6 Replacing fuel line, fuel tank vent assembly and grommet
1. Remove engine cover and engine block from rear
handle (Refer to “9-2 Inspecting cushions”).
2. Inspect fuel line (A), fuel tank vent assembly (B),
fuel return line (C) and fuel tank. Replace them if
defective.
3. To replace fuel line and fuel return line, remove
fuel cap and remove fuel strainer (D) and clip (E)
from fuel line (A).
4. Install fuel line (F) and fuel return line (G) on the
grommet (H) as shown.
5. Install assembled grommet in fuel tank.
NOTE: Assemble grommet, with fuel return line (G)
oriented towards rear handle.
6. Pull out fuel line from fuel tank and install clip and
fuel strainer to fuel line.
7. Install engine cover and engine block on rear
handle. Reassemble carburetor, switch bracket and
related parts (Refer to “9-2 Inspecting cushions”).
A
E
D
G
A
C
B
H
F
G
180mm
(7.1in)
140mm
(5.5in)

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