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Yanmar EF-494T - CLEANING AND REPLACING AIR CLEANER ELEMENT, CLEANING RADIATOR SCREEN

Yanmar EF-494T
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1 PERIODICAL INSPECTION 1 PERIODICAL INSPECTION
EF494T TM 06/2011 edition
30
1.9 CLEANING AND REPLACING AIR
CLEANER ELEMENT, CLEANING
RADIATOR SCREEN
The air cleaner serves to keep the engine in
favorable conditions by removing dust in air and
preventing the cylinder liner and piston ring from
wearing.
For operation in a dusty environment, clean the air
cleaner element every 50 hours and replace it
every 300 hours.
For operation in a normal condition, clean it every
100 hours and replace it every 1000 hours. Even
before the said intervals, replace it every year.
IMPORTANT
Never remove inner element (B).
This element avoids from getting dust into
engine while cleaning outer element (A).
When the inner element (B) is broken or very
dirty, replace it. It cannot be cleaned.
(A) Air cleaner (Outer)
(B) Air cleaner (Inner)
Cleaning air cleaner element
(1) Open the bonnet.
(2) Remove the sub tank.
(3) Open the lid and take out the element (A).
Never remove inner element (B).
(4) Blow air from inside of the element or lightly
pat it to take off dust. Be careful not to
damage the fins.
Cleaning radiator screen
Pull the radiator screen upward and remove straws
and dust from it.
(A) Radiator screen
NOTE:
When removing radiator screen and cleaning
radiator fin together, be careful not to damage
radiator fins. Radiator fins are very soft and if
damaged, it may cause water leak or lower cooling
efficiency.

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