Komatsu H70051 Series Operation & Maintenance Manual page 332

MAINTENANCE PROCEDURE
NOTICE
Be sure to install the air cleaner element facing in the cor-
rect direction.
Install it so that the bottoms (A) and (B) of the air cleaner
element (face where no hole is drilled) come to the cover
(3) end. If it is installed in wrong direction, it may cause
breakage of the air cleaner element or serious damage to
the engine.
6.
Install the cover (3) according to the following procedure.
1)
Set the new outer element (4).
2)
Replace the O-ring (7) with a new one.
3)
Install the cover (3) and fix it with clip (2).
7.
Push the button of dust indicator.
The yellow piston returns.
8.
Replace the seal (8) on the cover (3) with a new one.
9.
Close the engine side cover (1) on the right side of the ma-
chine.
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MAINTENANCE