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11-28 HEATER
RADIO AND OTHER ACCESSORIES
(
4 24)
HEA
TER
A
IR
I
NTA KE
VA
LV E
.
AIR OU
T L
E T
CO
NTRO L VALVE.
AI
R OUTLE T AND
DEF"LEcrQR .
AU
TOMATIC
C
A R TEMPERATURE
CO
NTROL UNIT.
T
E M PER
A TU
RE
CO
N TROL AD
JUS
TING KN
OB
tORCE D
AIR
BLOWER
UNIT
NE
CE
S SARV
.
AT CAR
SPEEDS
OF LE
SS
THEN 30 MILES PER. HR.
,TO
PROVIDE
PROPER A
I R
F
L OW
THRu
THE HE
ATER
UNIT.
FR
ONT
VIEW
OF
AIR
C\JCTS
SHOW ING A
IR INTAKE SC
REE NS
.
EN
LARGED VIEW
OF AU T OM ATI
C
CAR TE
MPERATURE
CO
NTRO L UN IT
A
ND A
DJ
US
TI N
G
KN
OB .
CAR
TEM
PE RA TURE
M
A Y BE
MAI
N TA I N ED AT AN
Y DESIRED POINT.
UNIT IS
SHOWN
I
NTHE OF
F POSIT
I ON
.
T
O
IN
CREASE C
A R TEMPERATURE
.
TURN KN
OB
CL
OCK-WI SE. O
N C E
SET,
OPERA T
IO
N
IS ENTIRE LY A
U TO M A T IC
.
A
I R OU
TLET
AND
DEFL ECTOR.
DEFROSTER
OUT L E
TS -- -
--,.
DEFROSTE
R
UNIT-
-
- --
-
---,.
AIR
OU
TL E T
CO
NTRO L VALVE
AIR
OUT
L
E T VALVE
CO NTROL
CABLES
AIR OU
TLET
VALV
E
CO
NT ROL
KNoe
I
T
O
TO
OPEN VALVE
.PULL
OUT O
N THIS
K
N O
B .
HE
AT E R AIR INTAKE VALv E
CO
N TROL
KNOB.
TO
PERM
IT
AI
R
TO
PA SS
THRU TH
E
HEATER
PUL L OUT
ON TH
IS
KN
oe.
UI'I)ER
SEAT HEA
TER
UNIT.
Figure 11-27-Heater, Def
roste r
and Air Ventilators-1948 Models
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