Infiniti G35 (V35). Manual — part 88
REFRIGERATION SYSTEM
ATC-23
C
D
E
F
G
H
I
K
L
M
A
B
ATC
increase triggers pressure difference between the piston and the crankcase. The pressure difference
changes the angle of the wobble (swash) plate.
RJIA3577E
ATC-24
REFRIGERATION SYSTEM
Component Layout
NJS0002V
RJIA1604E
LUBRICANT
ATC-25
C
D
E
F
G
H
I
K
L
M
A
B
ATC
LUBRICANT
PFP:KLG00
Maintenance of Lubricant Quantity in Compressor
NJS0002W
The lubricant in the compressor circulates through the system with the refrigerant. Add lubricant to compres-
sor when replacing any component or after a large refrigerant leakage occurred. It is important to maintain the
specified amount.
If lubricant quantity is not maintained properly, the following malfunctions may result:
●
Lack of lubricant: May lead to a seized compressor.
●
Excessive lubricant: Inadequate cooling (thermal exchange interference)
LUBRICANT
LUBRICANT RETURN OPERATION
Adjust the lubricant quantity according to the test group shown below.
1.
CHECK LUBRICANT RETURN OPERATION
Can lubricant return operation be performed?
●
A/C system works properly.
●
There is no evidence of a large amount of lubricant leakage.
CAUTION:
If excessive lubricant leakage is noted, never perform the lubricant return operation.
OK or NG
OK
>> GO TO 2.
NG
>> GO TO 3.
2.
PERFORM LUBRICANT RETURN OPERATION, PROCEEDING AS FOLLOWS
1.
Start the engine, and set to the following conditions:
–
Engine speed: Idling to 1,200 rpm
–
A/C switch: ON
–
Blower speed: Max. position
–
Temp. control: Optional [Set so that intake air temperature is 25 to 30
°
C (77 to 86
°
F).]
–
Intake position: Recirculation (REC)
2.
Perform lubricant return operation for about 10 minutes.
3.
Stop the engine.
>> GO TO 3.
3.
CHECK REPLACEMENT PART
Should the compressor be replaced?
YES
>> GO TO
ATC-27, "LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACE-
NO
>> GO TO
ATC-26, "LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACE-
.
Name
: Nissan A/C System Oil Type S
ATC-26
LUBRICANT
LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COM-
PRESSOR
After replacing any of the following major components, add the correct amount of lubricant to the system.
Amount of lubricant to be added:
*1: If the refrigerant leak is small, no addition of lubricant is needed.
Part replaced
Lubricant to be added to system
Remarks
Amount of lubricant
m
(US fl oz., Imp fl oz.)
Evaporator
75 (2.5, 2.6)
—
Condenser
35 (1.2, 1.2)
—
Liquid tank
10 (0.3, 0.4)
—
In case of refrigerant leak
30 (1.0, 1.1)
Large leak
—
Small leak
*1
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