FUEL SYSTEM
CSG-7410ES
EC741S
24
A
B
D
4-3 Inspecting fuel tank and fuel line
1. Clean fuel tank inside as required.
2. Remove cylinder cover and filter case (Refer to
“4-1 Replacing air filter”).
3. Disconnect fuel line (A) from carburetor.
4. Connect Pressure tester 897803-30133 (B) to
fuel line (A).
NOTE:
To connect pressure tester to fuel line, it is
recommended to use pipe joint V186-000020 (C).
5. Remove fuel cap and pull out fuel strainer from
fuel tank.
6. Pinch fuel line (D) with longnose pliers as
shown.
NOTE:
Wrap the ends of longnose pliers with tape
(or cover with soft pipes) (D) to protect fuel line
from damage.
7. Apply pressure approx. 0.05 MPa (0.5 kgf/cm
2
) (7
psi).
8. If pressure drops, replace fuel line (Refer to “4-5
Removing carburetor, fuel line and tank vent” and
“4-13 Installing carburetor, fuel line and tank vent”).
9. Put fuel strainer in fuel tank and fasten fuel cap
securely.
10. Apply pressure approx. 0.01 MPa (0.1 kgf/cm
2
)
(1.4 psi).
11. Pressure should not drop. If pressure drops,
leakage may occur from fuel cap, fuel cap O-ring,
mating surface of fuel tank on rear handle, grom-
met, or tank vent. Inspect and replace defective
part(s) with new one.
12. Remove pressure tester and connect fuel line
to carburetor.
C
C
