Case CX490D Operator's Manual page 246

Crawler excavator
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6. Clean the inside of the air cleaner case, and attach the
new secondary element.
7. Attach the new primary element.
8. Attach the cover (with the "TOP" display facing up), and
lock the fasteners.
NOTICE: The mass air flow (MAF) sensor is mounted on the inlet duct of the air cleaner. Output of the engine may
be restricted if any dust is attached to the MAF sensor or failure of sensing part of the MAF sensor due to usage of
retailed cleaning fluid.
Pay attention not to allow dust to invade the inlet duct when replacing the air cleaner element. Also, pay attention not
to spray retailed cleaning fluids to the MAF sensor when using them.
9. Check that the dust ejector under the filter is operating
correctly.
6 - MAINTENANCE
6-52
4
SMIL18CEX0441AA
5
SMIL18CEX0440AA
6
SMIL18CEX0439AA

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Cx500d

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