Opel 1900 1973 Service Manual page 563

1973 OPEL SERVICE MANUAL
valve. The filter screen at the inlet port may be re-
placed. Remove screen by threading a lo-32 NF
screw into old filter screen. With a washer and a nut
on the screw arranged to work as a puller screw, hold
the body of the screw and turn the nut. Insert the
new filter screen into the inlet port and lightly tap
screen only enough to seat.
1. Install expansion valve using new o-rings during
installation. Lubricate o-rings prior to installation
using No. 525 viscosity oil.
2. Install evaporator assembly and case attaching
screws. See Figure 9B-70.
3. Install blower motor assembly into case and se-
cure with attaching screws. See Figure 9B-69.
4. Install finger guard shields and fan housing case.
See Figure 9B-69.
5. Install resistor assembly and electrical connector.
Install blower motor connector. See Figure 9B-69.
6. Install assembly into car carefully guiding
evaporator pipes up through cowl opening. See Fig-
ure 9B-71.
Figure 93-7 1 Inlet and Outlet Pipes and O-Rings -
Opel 1900 Manta
(2)
7. Install two upper attaching evaporator at-
taching nuts. See Figures 9B-66 and 9B-67.
8. Install two (2) attaching case mounting bracket
to instrument panel screws. See Figure 9B-67.
9. Connect two (2) drain hoses underneath evapora-
tor.
10. Install evaporator inlet and outlet pipes retainer
and rubber grommet. See Figure 9B-65.
11. Connect vacuum cut-off switch and electrical
wiring, making sure the delay restrictor and check
valve hoses are installed correctly. See Figures 9B-63
and 64.
.
12. Install refrigerant hoses and pipes using new o-
rings on line fittings and evacuate system. Refer to
EVACUATING SYSTEM.
13. While system is being evacuated, install in-line
fuse and left side of distributor duct. See Figure 9B-
6 1 .
14. Install glove box.
15. Install negative battery cable and charge system.
Refer to CHARGING SYSTEM.
REMOVAL AND INSTALLATION OF CONDENSER
ASSEMBLY -OPEL 1900. MANTA
Removal
1. Remove negative battery cable from battery.
2. Remove air cleaner.
3. Discharge system. Refer to DISCHARGING
SYSTEM.
4. While system is discharging, remove lower radia-
tor hose from radiator and drain coolant into a suita-
ble container.
6. On vehicles with automatic transmission, un-
screw oil lines from connectors on lower radiator
tank and plug lines. It is essential that no dirt enters
the oil lines. When unscrewing oil lines, hold connec-
tors on lower radiator tank with pliers to avoid leak-
ages. Ensure that no dirt enters oil cooler.
7. Remove upper radiator hose from radiator.
8. Remove lower attaching nut and slide radiator
upward and out of engine compartment.
9. Remove inlet and outlet hoses from condenser