Cadillac 60 Series 1963 Shop Manual page 438

HEATING AND AIR CONDITIONING
13-57
5. Connect vacuum hoses to suction throttling
valve, water valve and 20% -100% diaphragms.
6. Attach electrical lead to blower motor.
7. Connect blower motor ground wire.
8. Position front half of duct from blower inlet
assembly to evaporator case against rear half,
and secure with eight nuts and bolts.
9. Position hood hinge to mounting brackets on
cowl and dust shield, and install four bolts.
10. Check and, if necessary, align hood panel.
54. Blower Inlet Assembly Removal
and Installation (75 Series)
a. Removal
1. Drain engine cooling system.
2. Disconnect motor ground wire.
3. Disconnect electrical leads to resistor panel.
4. Disconnect three vacuum hoses from vacuum
power diaphragms.
NOTE: Hose connecting 20% vacuum unit
and A/C-Heater vacuum unit may be left
connected.
5. Loosen clamp that holds rubber boot to
blower housing and disconnect boot.
6. Remove clamps securing hoses to pipes on
heater assembly and remove hoses. Identify
heater inlet and outlet hoses so that they may be
installed properly.
7. Remove screws and nuts securing blower
inlet assembly to cowl and remove assembly and
rubber gasket.
b. Installation
1. Position rubber gasket on blower inlet as-
sembly and position assembly on cowl, aligning
holes in case with studs from heater unit. Install
nuts and screws securing unit to cowl.
2. Install heater inlet and outlet hoses and in-
stall hose clamps.
3. Install rubber boot on blower housing and
secure with clamp.
4. Install t h r e e vacuum hoses on vacuum
diaphragms.
5. Connect resistor panel electrical leads.
6. Connect blower motor ground wire.
7. Fill cooling system.
55. Air Conditioner-Heater Assembly
Removal and Installation
(60 and 62 Series)
a. Removal
1. Drain cooling system.
2. Remove glove box assembly from instrument
panel as described in Section 15, Note 17a.
3. Remove steering column lower cover as
described in Section 15, Note 2a.
4. Disconnect electrical connectors from re-
sistor panel on the right top side of assembly.
5. Disconnect bowden cables from defroster
valve and from temperature valve at pivot points
on assembly.
6. Disconnect defroster hoses from top of
assembly.
7. Remove vacuum hose from heater-Air Con-
ditioner diaphragm.
8. Disconnect right and left outlet hoses from
Air Conditioner cross-car duct.
9. Remove four screws securing center outlet
to cross-car duct.
10. Remove bowden cable from clip on top of
cross-car duct.
11. Remove right and left cowl kick pads and
pull front edge of carpet back exposing floor duct.
12. Remove two screws securing floor duct
connector to floor duct.
13. Remove clamp securing assembly to evapo-
rator adapter.
14. Remove blower inlet assembly as described
in Note 53a.
15. Disconnect water hoses from heater inlet
and outlet fittings, leaving clamps on fittings.
16. Remove spring retainer nut from assembly
mounting stud.
17. Remove assembly.
b. Installation
1. Position assembly against cowl with mount-
ing studs in proper holes.