Komatsu H75051 Operation & Maintenance Manual page 352

MAINTENANCE PROCEDURE
1.
Open the engine side cover (1) and rear grille (2) on the
left side of the machine.
2.
Loosen the nut (4) at the top of the fuel tank breather (3)
which is located on the left upper of the fan guard, and re-
move it.
3.
Turn the cover (5) counterclockwise and remove it.
4.
Remove the element (6) upwards.
5.
Blow the dry compressed air from the inside of the ele-
ment.
6.
After cleaning, install the element to the breather body.
At that time, install the element in correct direction.
Direct the surface having the mark shown by (7) toward up
to install.
7.
Install the cover (5).
8.
Tighten the nut (4).
Tightening torque: 10 to 14 Nm {1.0 to 1.4 kgm}
9.
Close the engine side cover (1) and rear grille (2).
NOTICE
If the element is extremely dirty or damaged, replace it
with a new one.
4-42
MAINTENANCE