Komatsu D51EX-24, Operation & Maintenance Manual

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14. Push the button of dust indicator (1).
The yellow piston returns.
REMARK
• Immediately after a new element has been installed,
the yellow piston of the dust indicator may go to the
position in the range of 3.7 to 5.0 kPa {0.04 to
0.05 kg/cm
2
}, but this does not indicate any abnormal-
ity.
• For the machines installed with a pre-cleaner of large
intake resistance or a rain cap, immediately after a
new element has been installed, the yellow piston of
the dust indicator may go to the position in the range
of 5.0 to 6.2 kPa {0.05 to 0.06 kg/cm
2
}, but this does
not indicate any abnormality.
15. Peel off one seal from the recording sheet on the cover (3).
16. Close the engine side cover on the left side of the ma-
chine.
METHOD FOR REPLACING ELEMENT
1.
Open the engine side cover on the left side of the machine.
2.
Remove the clips (2) (3 places) and remove the cover (3).
NOTICE
• When cleaning the cover, do not remove the vacuator
valve (6).
• Before and after cleaning the element, do not leave or
keep it under direct sunlight.
• Never remove the inner element (5). If it is removed,
dirt will enter and can cause an engine trouble.
• Do not use a screwdriver or other tool.
3.
Hold the outer element (4), rock it lightly up and down and
to the right and left, and pull it out while turning it to the
right or left.
4.
Clean the interior of the air cleaner body, cover (3) and vacuator valve (6) with a clean cloth, a whisk or
others.
MAINTENANCE PROCEDURE MAINTENANCE
4-18