MAINTENANCE AND SERVICING
Engine intake air is drawn through a duct (A) from the
cooling box that precleans the air and then through a dual
element filter (B).
The air cleaner canister is equipped with an
aspirator (C) that removes dust continuously from the air
cleaner housing.
Figure 5.58: Air Intake System
The air cleaner is also equipped with a restriction switch (A)
that activates a warning display and tone on the cab display
module (CDM) when the filter system requires servicing.
After servicing the filter, the restriction switch must be reset
by pushing the button at the end of the switch.
IMPORTAN
T:
•DoNOT run engine with air cleaner disconnected or
disassembled.
• Over-servicing t he filter element increases the risk
of dirt being ingested by the engine and severely
damagin g the engine.
• Filter servicing should only be performed when
the CDM indicates “ENGINE AIR FILTER” or
at the specified interval. Refer to Maintenance
Schedule/Record, page 427.
Figure 5
.59: Air Restriction Ind icator
147649 338 Revision A
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