Komatsu H75051 Operation & Maintenance Manual page 326

MAINTENANCE PROCEDURE
1.
Open the engine side cover (1) on the right side of the ma-
chine.
2.
Clean the element when the yellow piston shown in the
dust indicator (2) display of the air cleaner enters the red
(7.5 kPa, {0.076 kg/cm
After the cleaning, press the dust indicator button to reset
it.
If the yellow piston enters the red (7.5 kPa, {0.076 kg/cm
position soon after the cleaning, the element must be re-
placed.
For the replacement of the element, see "METHOD FOR
REPLACING AIR CLEANER ELEMENT (4-18)".
METHOD FOR CLEANING AIR CLEANER OUTER ELEMENT
1.
Open the engine side cover (1) on the right side of the ma-
chine.
2.
Remove the clips (2) (4 places) and remove the cover (3).
3.
Pull out the outer element (4).
NOTICE
Never remove the inner element (5). Dusts may enter
causing the engine failure.
4-16
2
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2
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MAINTENANCE