Buick LeSabre 1965 Service Manual page 808

HEATER
TEMPERATURE
DOOR
OUTSIDE &
RECIRCULATED
AIR DOOR
FULL OPEN
DEFROSTER
\ DOOR
PLENUM BLOWER
AND AIR DOOR
ASSEMBLY
i OUTSIDE
AIR
HEATER AND AIR
CONDITIONER
AIR DOOR
(HEAT AND A/C POSITION)
HEATER - AIR CONDITIONER
DIAPHRAGM
OUTSIDE. RECIRCULATED
DIAPHRAGM
>
n
o
m
m
o
o
>
70
n
O
I
O
to
I
U i Figure 11-86—Air Conditioner Ventilation or Normal, Heater On - 49000 Series