freightliner Argosy COE 2011, Maintenance Manual

Page: 187 / 193

IMPORTANT: When replacing the air filter, use
only a Freightliner-approved air filter.
1. Park the vehicle on a level surface. Apply the
parking brakes and chock the rear tires.
2. Remove the heater and air conditioner cover and
the upper dash cover. For instructions, see
Sec-
tion 60.08 of the Century Class Trucks Work-
shop Manual .
3. Remove the retainer that holds the recirculation
air filter in place. See
Fig. 6 .
4. Remove and discard the recirculation air filter.
5. Install a new recirculation air filter in the HVAC
assembly.
6. Install the retainer to hold the recirculation air
filter in place.
7. Install the heater and air conditioner cover and
the upper dash cover. For instructions, see
Sec-
tion 60.08 of the Century Class Trucks Work-
shop Manual .
Sleeper Air Filter Replacement,
Water-Valve Controlled
Replace the air filter in the sleeper HVAC unit every
six months, regardless of mileage. The filter should
not be cleaned.
CAUTION
If the sleeper air filter is not replaced every six
months, damage to the heater and air conditioner
components could occur. The HVAC system
should not be operated without the recirculation
air filter installed.
1. Turn off the engine, apply the brakes, and chock
the tires.
2. Access the sleeper HVAC housing by raising the
mattress and bunk panel to the locked position. If
there is a baggage compartment, the sleeper
HVAC assembly may be accessed through the
baggage door on the right side of the vehicle.
3. Slide the screen off the sleeper HVAC assembly.
See
Fig. 7 .
4. Lift the filter out of the sleeper HVAC assembly
and discard the filter.
5. Place a new filter in the sleeper HVAC assembly.
11/14/2000 f831418
1
2
2
3
4
1. HVAC Cover
2. Velcro Tape
3. Seal Cover
4. Recirculation Filter
Fig. 5, Cab Recirculation Air Filter, Water-Valve
Controlled
02/26/2002 f831491
1
2
1. Retainer
2. Recirculation Air Filter
Fig. 6, Cab Recirculation Air Filter, Blend Air
Heater and Air Conditioner
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Century Class Trucks Maintenance Manual, January 2016
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