Subaru SVX 1992 Manual page 1004

AUTOMATIC AIR CONDITIONING SYSTEM [w17BO) 4-7
17 . Trinary Switch
A: REMOVAL AND INSTALLATION
1) Recover refrigerant .
2) Move canister.
3) Disconnect trinary switch .
4) Disconnect receiver dryer-to-condenser high- pres-
sure hose .
Fig. 162
5) Remove trinary switch from high-pressure hose
Trinary switch
High pressure
pipe
C4-653
Fig. 163
6) To install, reverse removal procedures .
Replace old trinary switch and O-ring (used with pip-
ing) with new ones, and apply a coat of engine to them
before installing .
Tightening torque : Nom (kg-m, ft-Ib)
Trinary switch
11-14(1 .1-1.4,8-10)
Pipe attaching bolt
5.4-9 .3(0.55-0 .95,4.0-6.9)
B : INSPECTION
1) Remove cap from high-pressure line service valve,
and connect gauge manifold to service valve .
2) Disconnect pressure switch harness connector, and
check pressure switch for proper ON-OFF operation.
Use a circuit tester .
Fig. 164
1 . High and low pressure switch
Terminal Operation
High pressure side line-pressure
kPa (kg/cm , psi)
Increasing to
FF
2,648± 196 (27± 2, 384± 28)
Turns O
Decreasing to
® ©
137± 20 (1 .4± 0.2, 20± 2.8)
- Increasing to
T ON
147±29 (1 .5±0 .3, 21±4)
urns
Decreasing to
1,471 +-196 (15±? :0, 213'_?a)
2 . Fan control switch
Terminal Operation
High pressure side line-pressure
kPa (kg/cm , psi)
Turns ON
Increasing to
O © 1,569± 127 (16± 1 .3, 228± 18) -
Turns OFF
Decreasing to
1,275± 147 (13± 1 .5, 185± 21)
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