Replace Engine Oil Filter - Hitachi ZW 310-6 Operator's Manual

Replace Engine Oil Filter

--- every 500 hours (each time when engine oil is
changed)
d
WARNING: Immediately after the machine has been
operated, all engine parts are hot. Wait for the engine
to cool before starting any maintenance work. Failure
to do so may cause severe burns.
1. Park the machine following the same procedures as
described on page 7-8 for preparation of inspection/
maintenance work.
2. Clean the areas around the oil filter.
3. Before removing cartridge type element (1), loosen
the drain plug to drain oil from the cartridge. The oil is
drained through the drain hose. After draining the oil,
tighten the drain plug.
IMPORTANT:
 Take care not to allow foreign matter such as dirt to
enter the oil filter.
 Be careful not to damage the filter body when
removing or installing the filter.
 Never reuse a cartridge type element.
4. Remove cartridge type element (1) by turning it
counterclockwise with a filter wrench.
5. Pour new oil into new element (1), being careful not to
let it overflow.
6. After coating a new cartridge gasket with engine oil, turn
the cartridge clockwise until the gasket comes in contact
with the sealing surface.
7. Tighten the cartridge 3/4 turn more by hand. Take
care that if the cartridge is excessively tightened, the
cartridge may be deformed.
f
NOTE: Install the cartridge with care so that the gasket is not
damaged due to twisting.
Check for any oil leakage at the filter mounting area.
8. Supply the specified amount of engine oil.
(Refer to the descriptions for
MAINTENANCE
Change Engine Oil.)
7-35
1
90Z7B-7-32-1
90Z7B-7-30-1