Replace Fuel Pre-Filter Element - Hitachi 120-3 class Operator's Manual

4

Replace Fuel Pre-Filter Element

--- every 500 hours
IMPORTANT: Be sure to use only genuine Hitachi elements
for the main fuel filter element and the pre-
filter element. Failure to do so may deterio-
rate 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.
Procedures:
1. Close cock (3) on the bottom of the fuel tank.
2. Place a 1-liter or larger capacity container under drain
hose (9).
3. Loosen air bleed plug (4) and drain plug (5). Drain fuel
until fuel does not flow out of the filter.
4. Remove transparent filter case (8) using an exclusive tool.
5. When transparent filter case (8) is removed, the element
is exposed. Remove the element by hand.
6. Install a new element. Tighten transparent filter case (8)
to 30 ± 2 N·m using the exclusive tool.
7. Tighten air bleed plug (4) and drain plug (5).
8. Open cock (3) on the bottom of the fuel tank.
9. Bleed air from the fuel supply system.
After replacing the fuel filter element, bleed air from the
fuel supply system. (Refer to the air bleed procedures
described on page 7-47.)
Wrench size: 14 mm
M1U1-07-004
MAINTENANCE
3
Pre-Filter
4
Pre-Filter
Pre-Filter
Main Filter
M1U1-07-015
Pre-Filter
8
Main Filter
5
9
Pre-Filter
M81U-07-031
7-50
ZX120-3 Class
ZX180-3 Class
ZX200-3, 270-3 Class
ZX330-3 Class
Main Filter
M1U1-07-103
M1U1-07-098
Main Filter
M1U1-07-071
M1U1-07-014