Komatsu PC15MRX-1 Operation And Maintenance Manual page 162

MAINTENANCE PROCEDURE
6. If small holes or thinner parts are found on the element
when it is checked by shining a light through it after
cleaning, replace the element.
NOTICE
When cleaning the element, do not hit it or beat it against
something.
Do not use an element whose folds or gasket or seal are
damaged.
Wrap unused element and store them in a dry place.
7. Remove the clothe or taps used as a cover in Step 3.
8. Set the cleaned element (4) in position.
9. Set dust cup (3) with the arow pointing up, then set it to
the air cleaner body and secure it with clip (2).
10. Press the button of dust indicator (1) to return the red pis-
ton to its original position.
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MAINTENANCE