Replace Fuel Main Filter Element - Hitachi ZAXIS 450LC-3 Operator's Manual

3

Replace Fuel Main Filter Element

--- every 500 hours
ZX450LC , 850LC
-3 -3
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.
Procedures:
1. Close fuel cock (5) under the fuel pre-filter.
2. Place a 1-liter (1 US qt) or larger capacity drain container
under drain plug (2).
3. Loosen air bleed plug (1) and drain plug (2). Drain fuel
until fuel does not flow out of the filter.
4. Remove transparent filter case (7) using the exclusive
tool.
5. When transparent filter case (7) is removed, the element
is exposed. Remove the element by hand.
6. Install a new element. Tighten transparent filter case (7)
to 30 ± 2 N•m (3±0.2 kgf•m, 21.7±1.4 lbf•ft) using the
exclusive tool.
7. Tighten air bleed plug (1) and drain plug (2).
8. Open fuel cock (5) under the fuel pre-filter.
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 7-69.)
Wrench size: 10 mm
MAINTENANCE
5
Main Filter
7-70
M1J1-07-054
M1J1-07-002
Main Filter
1
M1GR-07-010
7
2
M1GR-07-002