Replace Fuel Main Filter - Hitachi ZW180 Operator's Manual

4

Replace Fuel Main Filter

ZW180, ZW220, ZW250 --- every 500 hours
ZW310 --- every 1000 hours
ZW180, ZW220, ZW250
WARNING: Beware of fire. Fuel is flammable. Keep
fuel away from fire hazards.
IMPORTANT: Consult a professional waste collector or
your nearest Hitachi dealer about disposal
of waste oil and filters. Conduct disposal ac-
cording to local regulations giving consider-
ation to earth's ecology.
1. Remove cartridge filter (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
2. Coat fuel to the gasket surface on new cartridge filter ele-
ment (2).
3. Install cartridge filter element (2) to water separator (1)
by lightly turning the element by hand until the seal sur-
face makes contact with the gasket.
4. 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 car-
tridge filter (2) may result.
5. Bleed air from the fuel system
After replacing the filter element, bleed air from the fuel
system.
[Refer to the descriptions for "Bleed air from the fuel sys-
tem" in item (3).]
MAINTENANCE
2
7-58
ZW180
ZW220, ZW250
2
M4GF-07-012
1
2
M4GB-07-064
M4GB-07-066