Komatsu H70051 Series Operation & Maintenance Manual page 329

MAINTENANCE
Electric air cleaner clogging sensor
Clean the air cleaner element when the yellow piston of dust in-
dicator (2) display enters the red (7.5 kPa, {0.076 kg/cm
sition or the air cleaner clogging caution lamp (3) of the ma-
chine monitor lights up.
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.
Clean the inside of the air cleaner body, cover (3) and va-
cuator valve (6).
2
}) po-
MAINTENANCE PROCEDURE
4-17