Komatsu WA380-6 Operation & Maintenance Manual page 256

MAINTENANCE MAINTENANCE
NOTICE
The inner element must not be used again even after cleaning. When
replacing the outer element, replace the inner element at the same time.
5. Direct dry compressed air (less than 0.2 MPa (2.1 kg/cm
PSI)) to the outer element from inside along its folds, then
direct it from outside along its folds and again from inside.
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 or beat it against anything.
Do not use an element whose folds, gasket or seal are damaged.
When installing the cover (2), check O-ring (6) and replace it if there are any scratches or damage.
7. Set the cleaned outer element in position, then secure cover (2) with mounting clips (1).
8. Press the dust indicator button to return the yellow piston to its
original position.
9. Close the engine side cover on the right side of the machine.
After cleaning, if the air cleaner clogging caution lamp lights up immediately or the yellow piston reaches the red
line (7.5 kPa), replace the inner and outer elements.
2
, 30.0
CAUTION
SERVICE PROCEDURE SERVICE PROCEDURE
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