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16-12
GROUP 16-VENTILATING, HEATING, AND ACCESSORIES
(306)
..:
FIG.
2-Heater Core Removal
heater core inlet tube. Install the
mounting screws.
2. Connect the heater core hoses.
The hose from the water valve con-
nects to the heater core lower inlet
pipe.
3. Fill the cooling system. Bleed
the system at the upper heater core
inlet pipe.
4. Check for leaks. Then install
the core housing front cover. Check
the heater operation.
VENTS-HEATER VALVE
REMOVAL
1. Disconnect the battery ground
cable.
2. Remove the mounting screws
and control knobs, and remove the
front casting and the dial.
3. Remove the plate assembly.
4. Remove the vents-heater valve
and the vacuum lines.
INSTALLATION
1.
Install the vacuum lines on a
new vents-heater valve, and install
the valve.
2. Install the plate assembly and
its mounting screws.
3. Install the front casting and
dial, the mounting screws, and the
control knobs.
4.
Connect the battery ground
cable.
, . . - - - - - - - - - T O BATIERY
l+l
TERMINAL
REGULATOR VALVE
Remove the front casting and the
dial. Then remove the mounting
screws and control knobs, disconnect
the vacuum hoses and remove the
regulator valve.
BLOWER MOTOR
The blower motor, mounted in the
blower housing on the engine side
of the dash, can be removed by dis-
connecting the motor connecting
wires and ventilation tube and by re-
moving the mounting nuts
and
screws. The heater blower wiring cir-
cuit is shown in Fig. 3.
BLOWER SWITCH
Disconnect the battery ground
cable. Remove the front casting and
dial. Remove the plate assembly. Dis-
connect the switch wires, and remove
the switch.
LOCATED IN HORN
RELAY MOUNTING PLATE
r _ _/__,
20 AMP CIRCUIT BREAKER
HEATER BLOWER MOTOR
Black-Green
Black
Orange-Black
6"
I
Black
IGNITION SWITCH
HEATER SWITCH
Brown
FIG.
3-Heater Blower Wiring Circuit
Brown
GROUND TO
FENDER APRON l.H.
~
LO POSITION
[QJ
MED. POSITION
HEATER SWITCH
K1553-A
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