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Chapter 8 PERIODIC INSPECTION AND MAINTENANCE PROCEDURES
Fuel Filter - Replace
1. Clean the area around the fuel filters.
2. Place a tray under the fuel filters.
3. Using a filter wrench, remove the fuel filters.
4. Wipe off fuel on the fuel filter cartridge mounting
surface of the filter bracket with a waste cloth.
5. Prepare new fuel filter, and make sure that gasket
is properly seated in the groove.
If filter case is dented, do not use the filter. Filter in
dented case may be damaged during operation,
leading to fuel leaks, which eventually may result in a
fire.
6. Apply clean fuel to the gasket of the new fuel filter.
7. Install the fuel filter to the filter bracket. When the
gasket comes in contact with the mounting surface
of the filter bracket, further rotate 3/4 to a full turn.
Hand tighten fuel filters. Do not tighten with a filter
wrench.
Be careful not to dent or scratch the fuel filter sur-
faces.
8. After the new fuel filter has been installed, bleed
the fuel filter.
Note: For bleeding the fuel filter, refer to
Bleed Air"
(3-2).
9. Start the engine and run at an idle speed for sever-
al minutes.
10. Make sure that there is no fuel leak from the fuel fil-
ter mounting face. If the leak is found, loosen the
fuel filter and check the gasket for damage. If there
is no damage, retighten the fuel filter.
8-8
Filter bracket
"Fuel Filter -
Fig. 8-9 Fuel Filter - Replace
Apply fuel to
the gasket.
Fig. 8-10 Fuel Filter
Air vent plug
Tightening torque
8.8 ± 1 N·m
{0.9 ± 0.1 kgf·m}
[6.5 ± 0.7 lbf·ft]
Fuel filter
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Troubleshooting
