Cab Fresh-Air Filter
Replacement
IMPORTANT: When replacing the air filter, use
only a Freightliner-approved air filter.
1.
Park the vehicle on a level surface, set the park-
ing brake, and shut down the engine. Chock the
tires.
2.
Open the hood.
3.
Remove the intake screen. See
Fig. 2
.
4.
Lightly press on the filter tray handle to disen-
gage the lock (see
Fig. 3
), and slide the tray out
of the slot in the plenum.
5.
Remove the filter from the tray. Note the airflow
directional arrow on the filter’s edge. When prop-
erly installed, the airflow arrow will point in the
same direction as the marking on the front edge
of the tray. Both will point toward the cab. See
Fig. 4
.
6.
Put a new filter in the tray, making sure the air-
flow arrow is correctly oriented, and install the
tray in the slot in the plenum. Make sure the tray
locks into position.
7.
Install the intake screen.
8.
Return the hood to the operating position.
Cab Recirculation-Air Filter
Replacement
The recirculation air filter is located on the "back"
side of the evaporator housing, in the corner formed
by the frontwall and the right side of the cab. It is
accessed from the underside of the unit. It is a
coarse sponge, or fiber, filter. See
Fig. 5
.
IMPORTANT: When replacing the air filter, use
only a Freightliner-approved air filter.
NOTE: Filter replacement is done "blind."
1.
Park the vehicle on a level surface, set the park-
ing brake, and shut down the engine. Chock the
tires.
05/15/2007
f831714
Fig. 2, Intake Screen
04/10/2007
f831716
Fig. 3, Disengaging the Lock
04/10/2007
f831717
1
1.
Airflow Directional Arrow Orientation
Fig. 4, Airflow Directional Arrow
Heater and Air Conditioner
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