Komatsu Galeo PC27MR-2 Operation & Maintence Manual page 183

MAINTENANCE PROCEDURE
Air Cleaner Element - Clean/Replace
1. Open the engine rear cover and cooling cover. For details, see "COOLING COVER (PAGE 3-29)".
2. Remove clips (2), then remove dust cup (3).
3. Take out element (4) and cover the air connector at the end of
the air cleaner body with a clean cloth or tape.
4. Clean the inside of the air cleaner body, dust cap (3), and
vacuator valve (5).
5. Direct dry compressed air (Max. 0.69 MPa (7 kgf/cm
PSI)) from the inside of the outer element along its folds. Then
direct the compressed air from the outside along the folds, and
again from the inside.
1) Replace the element which has been cleaned 5 times
repeatedly or used throughout a year.
2) Replace element when the dust indicator red piston
appears soon after installing the cleaned element even
though it has not been cleaned 6 times.
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PC27MR
PC35MR
2
, 99.4
MAINTENANCE