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Fri
2 OPERATION
N°
MA.
640-0
: (1heckin and
adjiistiiig the air-conc/itioning
system.
Il.
PRECAUTIONS
TO
BE
TAKEN
WHEN WORKING ON
THE
AIR-CONDITIONING
SYSTEM
a)
It
is
imperative
to wear
goggles
b)
Do
not smoke R
12
fluidin
the presence of
a
flame
turns
into
a
toxic
gas.
c)
Never heat
any section
of
the
refrigerating system.
d)
Never switch on
the refrigerating
system if
both
electric
cooling
fans are not
connected
e) Never check the compressor ou
level without
first
having drained the
refrigerating
circuit.
1)
Never
use
any ou other
than
TOTAL «
LUNARIA
25
», SUNISO No
5
or TEXACO
CAPELLA
«
E
»
grade
500
g)
Never
use refrigerating fluid
other
than R.12.
NOTE
Refrigerating fluid
may be
sold
under
different
names
FORANE «
12
»
FLUGENE
«
12
FREONe12»
(the
most
important
feature is the
number
«
12
»
which defines
the fluids properties
).
IMPORTANT
NOTES.
A.
The compressor MUST NEVER be
switched on
when
the circuit
has been drained
of its refrigerating
fluid,
during work
being carried
out in
the
workshop. for
example,.
Indeed,
in
these
conditions, the compressor
would
be
functioning
in
air, and
would
deteriorote rapidly.
Consequently, in
case
of
an
exchange
of compressor necessitating
draining the system of
its refrigerating
fluid, in ci
workshop not
equipped
with
the
necessary
equipment
for
refilling
(
SOGEV
equipment
)
IT
IS
IMPERATIVE,
before
driving
the
vehicie to another workshop
equipped
with
the special
equipment
to
carry
out
the following
-
To leave the blankng
plugs
on the compressor.
in order to
avoid
ingress
of air
(
the new
compressor contains
refrigerating fluid
).
-
To
blank
the intake and
outlet hoses and
to fix
them temporarily.
-
Todrsconnect
the
supply
lead
to
the electro-magnetic
compressor
clutch
(
lead
with
white
sleeve
).
NOTE
We remind
you that
if the
circuit
has
been in
contact
with
the atmosphere,
it is necessary to replace
the
de-watering
tank,
and
the
compressor ou.
6.
Slight ou seepage is permissible
at the
front bearing
of the air-conditioning
compressor.
Compressors showing such a seepage,
and
being
replaced
as
a result,
will
not
be accepted
under warranty.
REMINDER
It
is necessary,
in
particzilar,
Jor the proper oj/-ii
ht,iess ci!
the
Ironi
bearing
sea! Of
the
compressor.
to lise i/
e air-co,,ditiouiin
system from time to time
(
on ce a u'e ek
for example
).
III. TIGHTENING
TORQUES
FOR
THE
UNIONS IN THE
CIRCUIT:
Ou
the union
threads
with
TOTAL
LUNARIA 25 before
fitting
On the
compressor
Intcike union
5/8'
3.45
to 4.3daNm
(
25
to 31 ft.lb
Outlet
union
1/2"
2.9 to
3.75
daNm
(
21
to 27 ft.lb
On
the
conden
ser
Input
union
1/2'
Output
union: 3/8"
On»de-watering
'rank : Unions
: 3/8"
On evaporator
:
Input union
3/8"
Output union
5/8'"
4.85
to
5.5 daNm
(
35
to 39 3/4
ft.lb
2.7 to
3.3
daNm
(19
1/2
to
23 3/4
ft.lb
2.1
to 2.5 daNm
(15 1/4
to
18
ft.Ib
2.1
to
2.5 daNm
(15 1/4
to 18
ft.Ib
3.45
to
4.3
daNm
(
25
to 31
ft.lb
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