Komatsu PC450-8 Operation & Maintenance Manual page 289

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MAINTENANCE
8. If small holes or thinner parts are found on the element
when it is checked by shining a light through it after clean-
ing, replace the element.
9. Remove the cloth or tape covering inner element (6).
NOTICE
q
Do not use an element whose folds or gasket or seal are damaged.
q
If the element or O-ring are cleaned and used again after they have been used for more than one year,
it will cause problems. Do not use them again.
10. Check that there is no dirt or oil stuck to the seal portion of the new element or cleaned element. Wipe off any
dirt or oil.
11. Push the outer element in straight with your hand when installing it to the air cleaner body.
If the outer element is held and rocked lightly up and down and to the left and right while pushing it in, the outer
element can be inserted easily.
NOTICE
Be sure to install the air cleaner element facing in the cor-
rect direction.
Install so that the bottom of the air cleaner element cylin-
der (face where no hole is drilled) (B), (C) is at cover (3)
end. If the direction of installation is mistaken, there is
danger that it will cause breakage of the air cleaner ele-
ment or serious damage to the engine.
MAINTENANCE PROCEDURE
4-23

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