Falcon, Fairlane And Montego; Icing Switch -Falcon, Fairlane And Montego; Thermostatic Switch; Expansion Valve - Ford COUGAR 1968 Shop Manual

PART 16-2
-
Air Conditioning
16-35
the core tubes and position the evapo-
rator core in the upper case.
6.
Install the two dash panel stud
mounting bracket screws.
7. Slide the A / C thermostat switch
capillary tube into the hole in the side
of the upper case.
8. Install the twelve upper-to-lower
case flange clips.
9. Position the blower housing on
the tunnel before installing the evapo-
rator. Install the evaporator and
then position the blower housing in
place.
10. Connect the wiring to the A/C
clutch switch, the blower motor re-
sistor and the blower motor.
11.
Connect the vacuum hoses to
the A/C-heat and A/C-defrost vac-
uum motor.
12. Position the evaporator case
forward and upward under the in-
strument panel.
13. Route the drain tube through
the hole in the carpet and floor pan.
14.
Position the blower housing to
the evaporator case and install the
blower housing support-to-cowl panel
screw.
15. Install the evaporator rear sup-
port screw.
16. Connect the wiring to the A / C
thermostat (icing) switch.
17. Connect the control cable to
the blend-air door.
18. Connect the vacuum hoses to
the reheat and outside-recirculating
vacuum motors.
19.
Install the blower housing
mounting stud nut and the two evap-
orator case mounting stud nuts on
the engine side of the dash panel.
20. Install the vacuum supply
tank.
21. Install the dash panel seal
and retainers and connect the heater
hoses and refrigerant lines at the dash
panel.
22.
Refill the engine cooling sys-
tem.
23. Evacuate and charge the
A / C system with 1 314 pounds of
Refrigerant 12.
ICING SWITCH-FALCON,
FAIRLANE AND MONT EGO
REMOVAL
1. Remove the heater and air con-
ditioner assembly from the vehicle.
2.
Remove the two thermostatic
switch attaching plastic retainers.
3.
Pull the switch sensing tube
from the evaporator core.
INSTALLATION
1. Insert the sensing tube into
the evaporator core fins.
2. Position the thermostatic switch
to the evaporator housing and in-
stall the two attaching retainers.
3. Install the heater and air con-
ditioner assembly in the vehicle.
THERMOSTATIC SWITCH-
MUSTANG AND COUGAR
REMOVAL
1. Remove the glove box liner.
2. Disconnect the wires from the
thermostatic switch.
3. Remove two switch attaching
screws and pull the sensing tube from
the evaporator core.
INSTALLATION
1. Insert the thermostatic switch
sensing tube into the evaporator core
fins.
2.
Position the thermostatic switch
to the evaporator case and install the
two attaching screws.
3. Connect the wires to the ther-
mostatic switch.
4. Install the glove box liner
and check the operation of the ther-
mostatic switch.
EXPANSION VALVE-
MUSTANG AND COUGAR
REMOVAL
1. Remove the carburetor air
cleaner.
2. Disconnect the hoses and re-
move the vacuum tank.
3. Remove the expansion valve
heat shield.
4. Install a manifold gauge set
and discharge the system (Section 3).
5. Disconnect the high pressure
hose from the expansion valve.
6.
Remove the expansion valve
bulb from the clamp.
7.
Remove the expansion valve
from the evaporator core.
INSTALLATION
1. Install the expansion valve on
the evaporator core fitting.
2. Position the expansion valve
sensing bulb in the clamp and tight-
en the retaining screw.
3. Connect the high pressure hose
to the expansion valve.
4. Wrap the insulation around
the sensing bulb and expansion valve.
5. Install the expansion valve
heat shield.
6.
Install the vacuum tank and
connect the vacuum hoses.
7. Install the carburetor air
cleaner.
8. Leak test, evacuate, and cnarge
the system (Section 3).
BLOWER MOTOR SWITCH-
FALCON, FAIRLANE AND
MONT EGO
1.
Remove the instrument panel
pad (Part 18-1).
2. Remove the switch knob and the
switch retaining screws or nuts.
3. Disconnect the switch and
remove it.
4. Position the new switch to the
instrument panel, connect the wires
to the switch and install it.
5.
Install the instrument panel
pad (Part 18-l), and install the
switch knob.
BLOWER MOTOR-FALCON,
FAIRLANE AND MONTEGO
1. Remove the g l d e box.
2.
Remove three nuts and remove
the right fresh air duct. Disconnect
the vacuum line from the actuator
and position it out of the way.
3. Disconnect the wire plug from
the resistor.
4.
Remove three screws and remove
the blower motor cover. Remove
three nuts and remove the motor
and blower wheel.
5. Remove the blower wheel and
install it on the new motor.
6.
Install the motor and wheel
and ground wire in the heater case.
Install the blower cover.
7.
Connect the wire to the resistor
on the plenum. Check the blower
operation.
8. Install the fresh air duct.
9. Install the glove box.
A/C-HEAT DOOR VACUUM
ACTUATOR-FALCON,
FAIRLANE, AND MONTEGO
1.
Remove the instrument panel
pad (Part 18- I).
2. Disconnect the left and right
A / C ducts from the center air dis-
tribution duct and remove the duct.
3. Remove the defroster nozzle..
4.
Remove the two actuator re-
taining screws, the actuator to heat
door push nut, the vacuum hose, and
remove the actuator.
5.
Position the actuator and in-
stall the mounting screws and the
actuator-to-heat door push nut.