Komatsu D37EX-24 Operation & Maintenance Manual page 291

Bulldozer
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MAINTENANCE
NOTICE
When cleaning the cover, do not remove the vacuator
valve (5).
Before and after cleaning the element, do not leave or
keep it under direct sunlight.
Never remove the inner element (3). If it is removed,
dirt will enter and can cause an engine trouble.
Do not use a screwdriver or other tool.
3.
Hold the outer element (4), rock it lightly up and down and
to the right and left, and pull it out while turning it to the
right or left.
4.
Cover the air connector at the bottom of the air cleaner body with a clean cloth or tapes to prevent entry of
dirt.
5.
Clean the interior of the air cleaner body, cover (2) and vacuator valve (5) with a clean cloth, a whisk or
others.
6.
Blow dry compressed air (Max. 0.2 MPa {2.1 kg/cm
the inside of the outer element along the pleats.
7.
Blow dry compressed air from the outside of the outer ele-
ment along the pleats.
8.
Blow dry compressed air again from the inside of the outer
element.
NOTICE
If small holes or thinner parts are found on the element
when it is checked with an electric bulb after cleaning and
drying, replace the element.
When cleaning the element, do not hit it or beat it against
something.
Do not use the element with damaged pleats or a damaged
gasket or seal.
9.
Remove the cloth or tapes attached in step 4.
10. Check the seal of the cleaned or new element for adhesion
of dusts and oil.
Wipe off all of sticking oil, etc., if any.
NOTICE
Do not clean and reuse the inner element. When replacing the outer element, replace the inner
element with new one at the same time.
If the outer element and cover are installed while the inner element is not installed properly, the
outer element may be damaged.
The sealing portion of the improper part lacks precision, and allows the entry of dust, which
leads to damage of the engine. Do not use such improper part.
11. Check that the inner element is fitted securely.
If the inner element is not fitted securely, push it in properly.
2
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MAINTENANCE PROCEDURE
4-15

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