Yamaha F30B 2018, Руководство по обслуживанию

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6-5
Fuel filter
Removing the fuel filter assembly
Cover the fuel components using a rag to pre-
vent fuel from spilling out.
Checking the fuel filter assembly
1. Check:
• No air leakage
Air leakage

Replace the O-ring, fuel cup
assembly, or fuel filter assembly.
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a. Connect the special service tool “1” to the
fuel inlet “a”.
b. Block the fuel outlet “b” using a rubber plug
“2”, and then apply the specified positive
pressure. Replace the O-ring, fuel cup as-
sembly, or fuel filter assembly if the speci-
fied pressure cannot be maintained for 15
seconds or more.
c. Connect the special service tool “1” to the
fuel outlet “a”.
d. Block the fuel inlet “b” using a rubber plug
“2”, and then apply the specified negative
pressure. Replace the O-ring, fuel cup as-
sembly, or fuel filter assembly if the speci-
fied pressure cannot be maintained for 15
seconds or more.
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Checking the fuel filter element
1. Check:
• Fuel filter element
Dirt/residue

Replace.
Checking the fuel cup assembly
1. Check:
• Fuel cup assembly
Foreign material

Clean.
Cracked

Replace.
When cleaning the fuel cup assembly, do
not remove the clip and float.
Vacuum/pressure pump gauge
set “1”
90890-06945
Pressure/vacuum tester “1”
YB-35956-B
Fuel inlet holding pressure (posi-
tive pressure)
200.0 kPa (2.00 kgf/cm2, 29.0
psi)
2
a
a
b
b
1
Vacuum/pressure pump gauge
set “1”
90890-06945
Pressure/vacuum tester “1”
YB-35956-B
Fuel outlet holding pressure (neg-
ative pressure)
80.0 kPa (0.80 kgf/cm2, 11.6 psi)
2
b
b
a
a
1