Replace Fuel Pre-Filter - Hitachi ZW180 Operator's Manual

5

Replace Fuel Pre-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.
1. Remove cartridge filter (1) with a filter wrench. Be sure to
receive fuel with a container to ensure safety and to pro-
tect the ground against contamination.
2. Coat fuel to the gasket surface on new cartridge filter ele-
ment (2).
3. Install cartridge filter element (3) by lightly turning the
element by hand until the seal surface come in 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 (1) 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
7-60
ZW180
ZW220, ZW250
2
1
M4GF-07-013
1
M4GB-07-067
M4GB-07-068
M4GB-07-066