Replace Fuel Main Filter Element - Hitachi ZW 310-6 Operator's Manual

Replace Fuel Main Filter Element

---every 500 hours
IMPORTANT:
 Be sure to use only genuine Hitachi elements for
the fuel main filter element and the pre-filter
element. Failure to do so may deteriorate the engine
performance and/or shorten the engine service life.
Please note that all engine failures caused by using
other manufacturers' elements are excluded from
Hitachi Warranty Policy.
 Take care not to allow dirt and/or water to enter the
fuel system.
Procedures
1. Remove cartridge filter (2) from fuel filter (1) by using a
filter wrench.
Arrange a container to receive fuel for safety and to
prevent ground from contamination.
2. Apply a thin film of clean fuel to the gasket of new
cartridge filter (2).
3. Turn cartridge filter (2) clockwise by hand until the
gasket touches the contact area.
4. Using the filter wrench, tighten the cartridge 3/4 turn
more.
Be careful not to overly tighten cartridge filter (2).
Deformation of the cartridge may result.
5. Bleed Air from the Fuel System
After replacing the fuel filter, bleed air from the fuel
system.
(Refer to "Bleed Air from the Fuel System" in item
MAINTENANCE
.)
7-72
1
90Z7B-7-64-1
2
90Z7B-7-68-2