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Hitachi ZW310 - Air Cleaner; Clean and Replace Air Cleaner Element

Hitachi ZW310
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
7-64
M4GB-07-075
M4GB-07-076
ZW220, ZW250
ZW310
M4GB-07-077





Air cleaner (2) is comprised of double elements, outer element
(7) and inner element (6). Normally, clean outer element (7).
In case severely contaminated, remove inner element (6) and
clean it in the same cleaning method as the outer element is
cleaned.
1. Be sure to stop the engine before cleaning or replacing
element.
2. ZW180, ZW220 and ZW250:
Loosen clip band (3) and remove dust cap (1). Clean off
dust inside the cap.
ZW310:
Loosen wing nut (5) and remove outer element (7). Clean
the outer element.
 


 

3. Clean outer element (7) 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 (7)
for any damage. If any damage is found, replace the ele-
ment with a new one.
4. In case the air cleaner restriction indicator lights soon af
-
ter cleaning outer element (7) even if the cleaning times
are less than 6 times, replace both outer and inner ele-
ments with new ones.
5. ZW180, ZW220 and ZW250:
Install dust cup (1) in the original position so that arrow
marks (4) (
TOP
) point upward.
ZW310:
Tighten wing nut (5) by hand to install outer element (7)
in the original position.
6. After cleaning is complete, run the engine at slow speed.
Then, check that the air filter indicator is not ON.
1
M4GF-07-007
ZW180

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