Subaru 1600 Service Manual page 554

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HEATING, VENTILATING AND AIR·CONDITIONING SYSTEM
6) Set lever E at the water cock to
COLD position again.
7) Set lever A to COLD position.
8)
Connect water cock rod to plastic
clamp at lever A.
1 Lever E 3 Clamp
2 Rod 4 Lever A
A23-139
Fig. 13-19 Connecting the rod
3) Fresh Air Ventilation Lever
Check
Check air leakage as follows.
1) Set fan switch dial to OFF posi·
tion, mode lever to CIRC and fresh air
ventilation lever to OFF.
2) Measure the leakage at center
outlet while running at a speed of 80
to 100 km/h (50 to 62 MPH).
3) In this case, if leakage exceeds
0.3 m/sec (I.O ft/sec) through center
outlet, adjust the control system.
Adjustment
1)
Disconnect the cable from the
clamp at the heater unit side.
1 Cable
2
Clamp
A23-089
Fig. 13-20 Disconnecting the cable
2) Set ventilation lever to OFF posi·
tion.
3) Set the linkage at the heater unit
side to OFF position. (pulling lever C
up backward.)
A23-075
Fig. 13-21 Setting the lever
4) After connecting the cable to
lever C, connect the cable to the clamp
while pulling the cable up backward.
Standard
value H
1 Lever C
2
Cable
3
Clamp
A23-076
29
mm
(l.l4
in)
Fig.
13-22
Connecting the cable
3. Repair for
Component Parts
1) Heater Unit
Removal and disassembly
1)
Disconnect ground cable from bat·
tery.
2) Remove radiator drain plug, and
drain coolant.
3) Disconnect both inlet and outlet
hoses from heater pipe.
13-9
4)
Remove heater hose grommet
from bulkhead.
5) Remove radio box or console box.
6) Remove luggage shelf and instru·
ment panel.
7)
Detach heater duct between heat·
er unit and blower assembly.
8) Remove both defroster nozzles.
9) Remove two bolts on upper part
of heater unit.
10) Uft up heater unit about 10 mm
(0.39 in), and take it out backward.
11) Remove water cock.
12) Disconnect rod between left and
right defroster shutters from plastic
clamp at right defroster shutter.
13) Separate heater unit in two parts
(left and right).
14)
Take out heater core and shut·
ters.
Assembly and installation
1)
Attach heater core and shutters
to cases.
1 Ventilation shutter
2
Upper shutter
3
Air mixing shutter
4 Lower shutter
Fig. 13-23
A23-068
2) Fit two halves of unit heater case
together and secure with springs.
Springs
Fig. 13-24
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