Dacia Solenza 2004, Repair Manual

Page: 493 / 891

62
AIR CONDITIONING
62 - 19
A
C
B
Thermostatic expansion valve
Its function is to reduce the refrigerant fluid
pressure at the evaporator entrance, to a default
value. In this way, the fluid passing through the
evaporator may be suction by the compressor
in a complete gaseous condition.
DISMOUNTING
Drain the refrigerant circuit by means of the
charging station.
Dismount :
- attachment nut (
A
) of the connection
pipes;
- two attachment screws ( B ) of the
expansion valve (
C
) on evaporator.
REMOUNTING
When remounting, replace the pipes sealing
gaskets.
The required tightening moment for
B
screws is of
0,8 daNm
.
The required tightening moment for
A
pipes
attachment nut is of
0,57 daNm
Vacuum the unit then perform its filling with
refrigerant fluid by means of the charging
station.
REMARK:
Adjustments of the expansion valve
spring are to be performed only by the
manufacturer.
The expansion valve is not to be
repaired and not adjustable.
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