FUEL SYSTEM
27
CS-2511WES
251Ws
4-5 Inspectingandreplacingtankvent
NOTE: Tank vent prevents a vacuum from forming
in fuel tank when fuel in fuel tank is being con-
sumed. When pressure in fuel tank becomes too
high, tank vent releases the pressure.
1. Remove dust cover (Refer to 4-4 Inspecting
fueltankandline).
2. Remove tank vent (A) from grommet (B).
3. Connect tank vent (A) to pressure tester 91149
(C).
4. Apply pressure approx. 50 kPa (0.5 kgf/cm
2
) (7
psi). Make sure pressure is stable in range of 10 -
40 kPa (0.1 - 0.4 kgf/cm
2
) (1.4 - 5.7 psi).
5. If it is not in the range, gently clean tank vent
with compressed air or replace with new one.
NOTE: Do not disassemble valves in tank vent as-
sembly. Damage to valves will occur.
6. Apply negative pressure 20 kPa (0.2 kgf/cm
2
) (3
psi).
7. Tank vent should pass air freely without holding
any pressure. If it does not, replace tank vent with
new one.
A
B
A
C
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