Saab 900 Service Manual page 73

Heating and ventilation system, air conditioning system 854-61
Capillary tube location, Clarion, as from
the 1984 models
To change the evaporator
Cycling Clutch system as from the 1981
models
1 Remove the servo pump.
2 Discharge the refrigerant from the system
(see the section on discharging and charg-
ing).
3 Disconnect the refrigerant hose from the
outlet branch of the evaporator and the ex-
pansion valve. Use restraining tools.
4 Remove the four bolts retaining the
evaporator and withdraw the evaporator.
Refit in the reverse order.
For particulars ofthe tightening torques, see the
"Technical specifications".
Top up with refrigeration oil and lubricate the
pipe couplings with refrigeration oil.
Top up the system with the refrigerant (see the
sectio~ on discharging and charging).
Note
After opening the system, always plug the con-
nections to exclude moisture. Don't remove the
plugs until just before the connections are
made.
Evaporator up to and incl. the 1983 models
Evaporator as from the 1984 models
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