G T - Opel 1900 1973 Service Manual

1973 OPEL SERVICE MANUAL
2. Discharge system.
SYSTEM.
3. While system is discharging remove air cleaner
and loosen idler pulley and bracket assembly. See
Figure 98-80.
4. Remove bolt holding compressor adapter fitting
into rear head. Disengage from compressor and tape
closed openings in both lines and ports in rear head.
It is important to seal compressor ports to avoid a
loss of refrigeration oil and also to prevent foreign
material and moisture from entering compressor. See
Figure 9B-82.
5. Remove bolt and ground wire, unplug electrical
connector, and remove 2 rear compressor mounting
bolts. See Figure 98-82.
6. Remove 2 front compressor mounting bolts,
clutch drive belt, and lift out compressor. During
removal, maintain the compressor position so that
the sump is downward. Do not'rotate compressor
shaft. See Figure 9B-84.
Installation
1. Install compressor into mounting brackets and
secure with 4 mounting bolts. See Figure 9B-84.
2. Untape lines and ports, and install compressor
adapter fitting and bolt using new o-rings. See Figure
3. Evacuate system. Refer to, EVACUATING
SYSTEM.
4. While system is being evacuated, install drive belt
and tighten idler pulley. See Figure 9B-80.
5. Install bolt and ground wire and plug in electrical
connector. See Figure 9B-83.
6. Install air cleaner and negative battery cable.
7. Charge system. Refer to, CHARGING SYS-
TEM.
REMOVAL AND INSTALLATION OF
A S S E M B L Y . G T
R e m o v a l
1. Discharge system. Refer to DISCHARGING
SYSTEM.
2. Disconnect refrigerant lines to both ends of re-
ceiver-dehydrator and tape closed open ends of re-
Refer to DISCHARGING
Figure 98.85 Refrigeration Hose Clamps Installation

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frigerant lines, and also the open e:nds of the inlet and
outlet pipes of the receiver-dehydrator. See Figure
Figure 98.86 Receiver-Dehydrator GT
3. Remove 2 screws securing receiver-dehydrator
and clamps to support bracket and lift out receiver
dehydrator. See Figure 9B-86.
Installation
1. Install receiver-dehydrator using new o-rings
during installation. Lubricate o-rings prior to instal-
lation using No. 525 viscosity oil.