Chevrolet 30 Series 1967 Service Manual page 55

ground strap, and connect the motor wire. Connect
cooling tube to motor.
3. (10-30 Series) Remount the hood hinge aligning it
carefully with the scribed lines.
ment.
4. Connect battery ground cable.
EVAPORATOR
Removal
1. Purge the system.
2. Disconnect the line (between the evaporator and the
thermostatic expansion valve) at the expansion valve.
Cap the open connections.
3. Disconnect the evaporator oil bleed line at the P.O.A.
valve. Cap the open connections.
4. Disconnect the evaporator outlet pipe at the P.O.A.
valve. Cap the open connections.
orator outlet pipe clamp.
5. Detach the expansion valve capillary bulb from the
evaporator outlet pipe.
. Disconnect the vacuum lines at the vacuum reservoir.
6
7. Remove the screws attaching the inboard case half
to the outboard case half, back up plate, and firewall.
. Remove inboard case half and evaporator core.
8
Installation
1. Assemble evaporator core and inboard case half to
Fig . 37 - A /C and Heater Hose Routing
Check hood align­ 2. Attach the vacuum lines to the vacuum reservoir.
3. Mount the expansion valve capillary bulb to the
4. Connect the evaporator outlet pipe to the P.O.A.
5. Connect the evaporator oil bleed line to the P.O.A.
. Connect the line from the evaporator to the expansion
6
7. If a new evaporator was installed, add three fluid
BLOWER AND EVAPORATOR CASE
Remove the evap­
Removal
1. Purge the refrigeration system and drain the radi­
2. Disconnect battery ground cable.
3. Unclip the blower motor wire at the blower flange
4. Disconnect heater hoses at the core tubes.
5. Disconnect the refrigerant lines at the P.O.A. valve
HEATER AND AIR CONDITIONING 1A-27
the outboard case half. Replace case to case, case
to back up plate, and case to firewall mounting
screws.
evaporator core outlet pipe.
valve using a new "O" ring. Install the pipe clamp.
valve.
valve.
ounces of refrigerant oil to the system.
and charge the system. Check performance.
ator.
terminal.
outlet and the expansion valve inlet. Cap all open
connections.
Evacuate
CHEVROLET TRUCK SERVICE M ANUAL