OPERATION No MA. 640.0 : ( h<,ck;ux n,,d od;es/ieg /he nir-~o,,di/io,,iri,~ Z\.SI<:IN
Op. MA. 640-O
3
IV. FILLING THE REFRIGERATING CIRCUIT
using SOGEV equipment and a
PRESTOGAZ refill of R. 12
A. VEHICLES FITTED WITH A << ASPERA-FRIGO ,) COMPRESSOR
NOTE
Equipment used for this operation :
a) SO(.I.,’ rori/<~iio,l Manufacturer Ets S.0.G.E.V
Avenue de 1 Atlantique Z.I. 91401 ORSAY -Tel. 907-64-00
b) I’Kli$ IoL:\/ ,v/i// o/ I?. II
1 kg refill supplied by the Replacement Parts Department under
ref. No.ZC 9 857 108 U.
IMPORTANT
Precautions to be taken during this operation :
a) It is IMPERATIVE to wear goqqles.
b) Never smoke during the operation
R. 12 fluid turns into a toxic gas in the presence of LI flame
c) Never heat any port of the refriqerotinq circuit.
d) Never switch on the air-conditioninq system if either of the cooling fans are disconnected.
1. Drain the circuit :
NOTE
- This operation must be carried out in a well-
ventilated room.
- The refriqerating circcit must be drained before
any work can be carried out on it.
a) Remove pluq (7 ) from compressor intake valve
and connect in its place ( at (/ a /) ) flexible
pipe (4).
b) Remove pluqs ( 1 ) protecting adjustment screws
( 2 ) and ( 3 ) for the valves.
c ) Check tops ( 5) and (6 1 are properly closed
and screw in screw ( 3 1 two turns.
d) Place taps ( 5) and (6 ) in an open container
in order to contain the fluid, and to ovoid it
turning into mist. Open the taps. Close them
when draininq is complete ( when the hissing
produced by the escaping gas has stopped 1.
e) Proceed in the same tn(mner once flexible
pipe ( 4) is connected to the outlet valve, and
screw ( 2 ) is screwed in two turns.
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