Opel 1900 1973 Service Manual page 607

5. If the low side pressure was less than the pre-
scribed pressure at the end of each cooling cycle, turn
the adjusting screw a partial turn clockwise. See
ure 9B-192.
Figure 98.192 Adjusting Thermostatic Switch
6. If the pressure was more than the prescribed
value, tuin the
adjusting screw counter-clockwise.
7. Reinstall switch end plate and install switch in
face plate. Install face plate on evaporator assembly
assuring ,that the air sensing capillary has been re-
placed properly.
8. Check system performance. Iffurther adjustment
is needed, repeat steps 3 thru 7 until the correct
pressure is reached.
Do not attempt to run a performance test with the
duct assembly and switch removed from the
evaporator assembly - inaccurate readings will re-
sult. Always replace the switch and duct assemblies
before c+ecking the system performance.
REMOVAL AND INSTALLATION OF VACUUM
SWITCH,
1. Remove right trim pad below instrument panel.
2. Rembve two (2) screws and unplug the vacuum
hose and electrical connector. See Figure 9B-193.
Installation
1. Install two (2) screws and plug in electrical con-
nector and connect the delay
valve hose assembly.
2. Install right trim pad.
Fig-
restrictor and check
AIR CONDITIONER SYSTEM - GT
Figure 98-l 93 Vacuum Switch
REMOVAL AND INSTALLATION OF BLOWER
SWITCH
R e m o v a l
1. Remove the negative
2. Remove the retaining screws from the duct as-
sembly. See Figure 9B-190.
3. Remove 2 blower switch rejaining screws and
remove blower switch.
Installation
1. Install the blower switch and secure with two (2)
retaining screws.
2. Install the duct assembly retaining screws.
3. Install the negative battery cable.
R E M O V A L A N D INSTALLATIDN:OF
TEMPERATURE CONTROL SWITCH
R e m o v a l
I. Remove the negative battery cable.
cable from the battery