Buick LeSabre 1965 Service Manual page 759

1.1-26 HEATER SYSTEM
ACCESSORIES
HEATER ASSEMBLY
OUTSIDE
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TEMPERATURE
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INLET ASSEMBLY
TOP VIEW
/Z—DEFROSTER DOOR L = »
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AIR DOOR
AIR TO DEFROSTER
OUTLET
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LEFT END VIEW
HEATER DEFROSTER
HOSE
Figure 11-32-Heater System Air Flow - 45000, 46000 and 48000 Series
is positioned at the mid-position
the outside air door is fully
opened, permitting outside air to
flow thru the system to the in-
terior heater outlets. Movement
of the lever fully to the right will
fully open the defroster door and
direct all the air flow to the de-
froster outlets.
Intermediate positioning of the
lever from mid-position to full
right position will apportion the
air to both defroster and floor
outlets.
3. FAN Lever - This control op-
erates the blower motor at three
blower speeds. Movement of the
control to the right will respec-
tively provide low, medium and
high blower motor speeds.
c. Description of
Ventilation Doors
An outside air vent is provided
CENTER OUTLET
Figure 11-33-Heater Assembly Outlets - 45000, 46000 and 48000