Hitachi ZW 310-6, Operator'S Manual

Page: 392 / 506

MAINTENANCE
7-78
Clean Air Cleaner Outer Element (ZW330-6)
--- when the restriction indicator comes ON
Replace Air Cleaner Outer and Inner Elements
(ZW330-6)
--- after cleaning 6 times or after 1 year
Air cleaner (1) is comprised of double elements, the outer
element and inner element.
1. Park the machine following the same procedures as
described on page 7-8 for preparation of inspection/
maintenance work.
IMPORTANT: Take care not to allow foreign matter such
as dirt to enter the engine when cleaning or replacing
elements.
2. Loosen clip band (3) and remove dust cap (2). Clean off
dust inside the cap.
f
NOTE: When removing dust cap (2), turn it counterclockwise
as shown to release the dust ejection valve on the bottom of
cap.
d
CAUTION: Wear goggles or safety glasses when using
compressed air [less than 0.2 MPa (2 kgf/cm
2
)].
IMPORTANT: To clean elements (5) (6), avoid giving
shocks or striking element with other objects.
3. Clean outer element (6) by blowing compressed air [less
than 0.2 MPa (2 kgf/cm
2
)] outward from the inside of the
filter element. After cleaning, be sure to check element
(6) for any damage. If any damage is found, replace the
element with a new one.
IMPORTANT: Do not reuse inner element (5).
4. In case the air filter restriction indicator lights soon after
cleaning outer element (6) even if the cleaning times are
less than 6 times, replace both outer and inner elements
with new ones.
5. Install dust cap (2) in the original position so that arrow
marks (4) (  TOP  ) point upward.
6. After cleaning is complete, run the engine at slow speed.
Then, check that the air filter restriction indicator is not
ON.
92Z7B-7-67-1
3
1
3
2 3
4
5 6 2
92Z7B-7-67-2
2 92Z7B-7-67-3