freightliner Argosy COE Maintenance Manual page 136

83
tion 60.08 of the Century Class Trucks Work-
shop Manual .
3. Remove the retainer that holds the recirculation
air filter in place. See
1
02/26/2002
1. Retainer
2. Recirculation Air Filter
Fig. 6, Cab Recirculation Air Filter, Blend Air
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
83/4
Fig. 6.
2
f831491
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.
The pleated paper filter has an arrow on the
edge of the filter that should point toward the
heater assembly. See
be installed in any direction.
6. Slide the screen into the frame on the sleeper
HVAC assembly.
7. Lower the bunk panel and mattress.
8. Remove the chocks from the tires.
Sleeper Air Filter Replacement,
Blend Air
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 assembly by raising
the mattress and bunk panel to the locked posi-
tion. If there is a baggage compartment, the
sleeper HVAC assembly may be accessed
through the baggage door on the right side of the
vehicle.
Century Class Trucks Maintenance Manual, April 2003
Fig. 7. The foam filter can