MAINTENANCE AND LUBRICATION 423
CAB AIR FILTERS
Air going into the cab passes a filter located on the right, front side of the cab. Remove the
filter and check it every 19,200 km (12,000 miles).
W8003189
The filter should not be cleaned and reused. Replace with a new filter as necessary. Change
the filter more often if driving in dusty conditions. A clogged filter decreases the efficiency
of the air conditioning system.
If the vehicle is equipped with a sleeper heater-A/C, there is a filter for recirculating air. It is
located behind the passenger seat on the bunk support. The filter should be checked after
19,200 km (12,000 miles), more often in dusty conditions. Replace the filter as necessary.
To inspect or to change the filter, open the luggage storage lid and pull out the filter.
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