Opel 1900 1973 Service Manual page 568

2. If the receiver-dehydrator has been exposed to
the atmosphere for any amount of time, (more than
5 minutes), the receiver-dehydrator should be re-
placed, since the life of the dessicant is probably
expended.
3. Evacuate and charge system. Refer to CHARG-
ING AND DISCHARGING SYSTEM.
REMOVAL AND INSTALLATION OF EVAPORATOR
AND EXPANSION VALVE. GT
Removal
1. Disconnect negative battery cable.
2. Discharge system. Refer to, DISCHARGING
SYSTEM.
3. While system is discharging, remove attaching
screws and lift out luggage tray. See Figure 9B-87.
Figure 98.87 Luggage Tray
4. Remove all evaporator cover screws and remove
cover. See Figure 9B-88.
5. Remove electrical plug connector from the resis-
tor assembly and unplug blower motor connection
and remove ground wire. See Figure 9B-90.
6. From underneath evaporator housing, discon-
nect two (2) drain hoses. See Figure 9B-91.
7. From under car remove 4 nuts securing evapora-
REFRIGERANT COMPONENTS ALL MODELS
Figure 98.88 Evaporator Cover Assembly and
Attaching Screws GT
Figure 96.90 Electrical Connections, Ground Wire
and 9B-93.
8. Remove inlet and outlet pipes from evaporator
and tape closed the refrigerant lines and also the
open ends of the inlet and outlet pipes of the evapora-
tor. See Figure 9B-94.
GT