Buick LeSabre 1965 Service Manual page 794

AIR TO HEATER
AND DEFROSTER
OUTLETS
DEFROSTER DOOR
TEMPERATURE DOOR
H E A T E R . A I R
CONDITIONER
AIR DOOR
EVAPORATOR CORE
H E A T E R . A I R
CONDITIONER
DIAPHRAGM
BLOWER &
AIR INLET
ASSEMBLY
OUTSIDE.
RECIRCULATED
AIR DOOR
FULL OPEN
Climate Control
Lever at HTR-
WARMER Lever on
FAN Lever on
#2 PORT
OUTSIDE. RECIRCULATED
#1 PORT DIAPHRAGM
SUCTION
THROTTLE
VALVE
Outside- Recirculated
Diaphragm
#
#'1
YELLOW
BLUE
MAIN VACUUM SWITCH
OPEN
WATER VALVE
J
YELLOW
VACUUM
DIAPHRAGM
Outside- Rec & Htr - A / C
Vacuum Disc Switch (Operated
BLUE by Climate Control Lever)
YELLOW / - Htr - A / C Diaphragm
VACUUM SOURCE
VACUUM STORAGE
TANK & CHECK
D
VALVE
S.T.V. VALVE
XT
BLACK
RED
Water Valve and STV
Vacuum Disc Switch
(Operated by WARMER Lever)
>
O
O
m
o
79
m
o
3
m
5
m
TO
n
O
g
o
to
I
Figure 11-75—Air Conditioner Off, Heater On - 45000, 46000 and 48000 Series