Nissan Titan. Manual — part 367
OIL
HA-19
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
OIL
Maintenance of Oil Quantity in Compressor
INFOID:0000000009882411
The oil in the compressor circulates through the system with the refrigerant. Add oil to compressor when
replacing any component or after a large refrigerant leakage has occurred. It is important to maintain the spec-
ified amount.
If oil quantity is not maintained properly, the following malfunctions may result:
• Lack of oil: May lead to a seized compressor
• Excessive oil: Inadequate cooling (thermal exchange interference)
HA-20
< PERIODIC MAINTENANCE >
REFRIGERATION SYSTEM
PERIODIC MAINTENANCE
REFRIGERATION SYSTEM
HFC-134a (R-134a) Service Procedure
INFOID:0000000009882412
SETTING OF SERVICE TOOLS AND EQUIPMENT
Discharging Refrigerant
WARNING:
Avoid breathing A/C refrigerant and oil vapor or mist. Exposure may irritate eyes, nose and throat.
Remove HFC-134a (R-134a) refrigerant from the A/C system using certified service equipment meeting
requirements of SAE J2210 HFC-134a (R-134a) recycling equipment or SAE J2201 HFC-134a (R-134a)
recovery equipment. If an accidental system discharge occurs, ventilate the work area before resum-
ing service. Additional health and safety information may be obtained from the refrigerant and oil man-
ufacturers.
Evacuating System and Charging Refrigerant
1.
Shut-off valve
2.
A/C service valve
3.
Recovery/recycling equipment
WJIA0579E
WJIA0580E
REFRIGERATION SYSTEM
HA-21
< PERIODIC MAINTENANCE >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
1.
Shut-off valve
2.
A/C service valve
3.
Recovery/recycling equipment
4.
Refrigerant container (HFC-134a)
5.
Weight scale (J-39650)
6.
Evacuating vacuum pump (J-39699)
7.
Manifold gauge set (J-39183)
*1
HA-22, "Maintenance of Oil Quantity
in Compressor"
*3
HA-24, "Checking of Refrigerant
Leaks"
*5
HA-4, "Contaminated Refrigerant"
*2
HA-24, "Checking of Refrigerant
Leaks"
*4
HAC-84, "Diagnostic Work Flow"
WJIA1923E
HA-22
< PERIODIC MAINTENANCE >
OIL
OIL
Maintenance of Oil Quantity in Compressor
INFOID:0000000009882413
The oil in the compressor circulates through the system with the refrigerant. Add oil to compressor when
replacing any component or after a large refrigerant leakage has occurred. It is important to maintain the spec-
ified amount.
If oil quantity is not maintained properly, the following malfunctions may result:
• Lack of oil: May lead to a seized compressor
• Excessive oil: Inadequate cooling (thermal exchange interference)
CHECKING AND ADJUSTING
CAUTION:
If excessive oil leakage is noted, do not perform the oil return operation.
Start the engine and set the following conditions:
Test Condition
• Engine speed: Idling to 1,200 rpm
• A/C switch: On
• Blower fan speed: MAX position
• Temp. control: Optional [Set so that intake air temperature is 25
° to 30° C (77° to 86°F)]
• Intake position: Recirculation (
)
• Perform oil return operation for about ten minutes
Adjust the oil quantity according to the following table.
Oil Adjusting Procedure for Components Replacement Except Compressor
After replacing any of the following major components, add the correct amount of oil to the system.
Amount of Oil to be Added
• *1: If refrigerant leak is small, no addition of oil is needed.
Oil Adjustment Procedure for Compressor Replacement
Part replaced
Oil to be added to system
Remarks
Amount of oil
m (US fl oz, Imp fl oz)
Evaporator
75 (2.5, 2.6)
—
Condenser
75 (2.5, 2.6)
—
Liquid tank
5 (0.2, 0.2)
Add if compressor is not replaced.
In case of refrigerant leak
30 (1.0, 1.1)
Large leak
—
Small leak *1
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст