Subaru 1600 Service Manual page 591

,
.
I
I )
Compressor clutch is not
I
I
Compressor dutch is engaged, but compressor
I
engaged. dves not run.
1--
I i
I
Lead wire of compressor
I
Compressor dutch coil has voltage
j
!
j
I
Seizured
j
clutch is dead. decreased to less than I O.5V.
Clu tch slipping Belt slipping
compressor
1----
I
I
• Check and re- Check belt tension
Ir.ternal problem
adjust gap of and adjust it.
in compressor cyl·
clutch.
I f belt is worn out
Refer to "Compressor
1
inder.
Clutch Diagnoses".
• Clean oil or dust
or damaged, re-
Check system.
Ground terminal of coil is poor
on contact sur-
place it.
Repau or replace
at connection.
face of elu tch. If necessary.
Repair connection. If slipptng conti-
nues, replace
compressor
In case clutch is not engaged yet,
du!.:h.
replace compressor clutch.
I
High torque
I
J
1 1
Overcharge of refrigerant
rl
Air in refrigeration system
1
I
Discharge refrigerant gas to an extent
Discharge system from service
that sight glass of receiver drier has valve on discharge side.
only a few bubbles.
Evacuate and recharge the
Engine speed: 1,500 rpm
system.
1
I
When torque is still great, repair
I I
or replace compressor.
Check for dis-
Discharge pres-
charge pressure.
sure is not
~.
OK if discharge
reduced.
pressure is
reduced.
~
j
("')
Compressor oille.kmg
I
!
0
3
'0
...
1
(1)
CIt
CIt
0
"ir-blow on spot where oill.,k eVidence is
...
found. Then check for refngerant leaks using
C
lelk detector.
Qj'
)
I I
CC
::I:
::::I
0
m
~
»
CIt
-I
Refrigerant leaking
No refngerant
leaking
Z
c:;)
I I
Repall or replace Wipe - clean oil
<
m
Z
..:ompressor.
with rag.
-I
r-
»
-I
Z
c:;)
»
z
c
I »
Compressor is nOisy.
I
:%I
n
0
1 1
z
Noisy only when Noisy when dutch
0
dutch is engaged
IS
not engaged
-I
0
I I
Z
Z
Check for loose
Remove compressor
c:;)
compressor mount· belt. Turn pulley of
(/)
ing bolts.
compressor dutch by
Retighten bolts.
hand, and check for
noise. If noise is
Compressor dnve
heard, repair com-
belt is loosen. "djust
pressor clutch.
-<
(/)
-I
m
s:
belt tension.
J
If compressor is
noisy yet, repair
or replace compres-
sor.