Komatsu D475A-5E0, Operation & Maintenance Manual

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MAINTENANCE
SERVICE PROCEDURE
MAINTENANCE
SERVICE PROCEDURE
NOTICE
Never remove the inner element (5). It will allow dirt to enter and cause
failure of the engine.
Do not use a screwdriver or other tool.
2. Hold the outer element (4), move it carefully up and down and
to the left and right, and rotate the element to the left and right
while pulling it out.
3. After removing the outer element, cover the air connector
inside the air cleaner body with a clean cloth or tape to prevent
dirt or dust from entering.
4. Use a brush or cloth to remove all the dirt stuck to cover (3) and
the inside of air cleaner body (6).
5. Direct dry compressed air (less than 0.2 MPa {2.1 kg/cm
2
, 30.0
PSI}) to the outer element from inside along its pleats, then
direct it from outside along its pleats and again from inside.
1) Check that the inner element is not loose. If it is loose,
insert it securely.
2) If the yellow piston overlaps the red zone (A) on the outer
diameter immediately after the outer element is cleaned,
replace both the inner and outer elements.
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 an element whose pleats or gasket or seal are damaged.
6. 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.
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