Replace Fuel Main Filter Element - Hitachi ZW 120-6 Operator's Manual

Replace Fuel Main Filter Element

---every 1000 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 be noted that all engine failures caused by
using other manufacturers' elements are excluded
from Hitachi Warranty Policy.
 Do not pour fuel into a new cartridge filter element
beforehand.
 Take care not to allow dirt and/or water to enter the
fuel filter.
Procedures
1. Park the machine following the same procedures as
described on page 7-7 for preparation of inspection/
maintenance work.
2. Remove cartridge filter element (2) from fuel filter (1)
with a filter wrench.
Be sure to retain fuel with a container to ensure safety
and to protect the ground against contamination.
3. Coat fuel to the gasket surface on new cartridge filter
element (2).
4. Install cartridge filter element (2) to fuel filter (1) by
lightly turning the element by hand until the seal surface
makes contact with the gasket.
5. Tighten the cartridge filter element more approx.2/3
turns using the filter wrench.
Take care not to overly tighten the cartridge filter
element. Deformation of cartridge filter (2) may result.
6. Bleed Air from the Fuel System
After replacing the fuel filter element, bleed air from the
fuel supply system.
(Refer to "Bleed Air from the Fuel System" in item
MAINTENANCE
2
.)
7-61
1
MNSC-07-007
M4GB-07-066