Replacing Fuel Line, Fuel Return Line, Tank Vent Line And Grommet - Yamabiko ECHO PB-2520 Service Manual

PB-2520
EB252

6-5 Replacing fuel line, fuel return line, tank vent line and grommet

D
C
E
D
C
b
c
E
FUEL SYSTEM
A
B
B
A
a
e1
H
F
G
1. Disconnect fuel line assembly (A) and fuel return
line (B) from carburetor.
2. Pull tank vent line (C) and remove tank vent (D).
3. Remove grommet (E) together with fuel line as-
sembly (A), fuel return line (B) and tank vent line
(C). Fuel strainer can be directly pulled out through
grommet hole.
4. Remove fuel strainer from fuel line assembly.
5. Remove fuel line (A), fuel return line (B) and
tank vent line (C) from grommet (E). If lines and
grommet are defective, replace with new ones.
6. Insert fuel line (A), fuel return line (B) and tank
vent line (C) to grommet (E). Adjust each length as
follows:
(A)
Line
Black
(Strainer)
Length mm 80
(3.15)
(inch)
Distance (a)
66 ~ 68
mm
(inch) (2.60 ~ 2.68)
NOTE: Pay attention to the position of grommet
projection (e1)
NOTE: Make sure fuel line (a1) has ID mark "EPA-
KEP-001 lot.xxxx" on it.
7. Place clip (F) over fuel line (G) then install fuel
line (G) to pipe joint (H) and secure with clip (F).
Connect pipe joint (H) with fuel line (G) to fuel line
(A).
8. Connect fuel strainer to fuel line (G). Connect
tank vent (D) to tank vent line (C). And then install
grommet (E) to fuel tank, together with fuel line as-
sembly, fuel return line (B) and tank vent line (C).
9. Set tank vent (D) in place. Connect fuel line (A)
and fuel return line (B) to carburetor.
35
(B) (C)
Trans-
Black
parent
(Vent)
(Return)
85 60
(3.35) (2.36)
(b) (c)
66 ~ 68 35 ~ 37
(2.60 ~ 2.68) (1.38 ~ 1.46)