Nissan March K13. Instruction — part 361
LUBRICANT
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Lubricant Adjusting Procedure for Compressor Replacement
INFOID:0000000006032324
1.
Drain lubricant from removed compressor and measure lubricant amount.
1.
Drain lubricant from high-pressure port (A) and low-pres-
sure port (B) while rotating magnet clutch.
2.
Measure total amount of lubricant that is drained from removed compressor.
2.
Drain lubricant from a new compressor that is calculated accord-
ing to the following conditions.
CAUTION:
If lubricant amount that is drained from removed compressor is less than 60 m (2.1 Imp fl oz.),
perform calculation by setting “D” as 40 m (1.4 Imp fl oz.).
Example: Lubricant amount to be drained from a new compressor when replacing compressor and liquid
tank [m (Imp fl oz.)] [D = 60 (2.1),
α
= 5 (0.2)]
Conditions
Lubricant amount to be added to A/C system
m
(Imp fl oz.)
Replace evaporator
35 (1.2)
Replace condenser
15 (0.5)
Replace liquid tank
5 (0.2)
Refrigerant leakage is detected
Large amount leakage
30 (1.1)
Small amount leakage
—
Lubricant amount that is recycled together with refrigerant during recycle operation
α
JMIIA0654ZZ
Amount to be drained (A) [m (Imp fl oz.)] = F
−
(D
+ S + R +
α
)
F
: Lubricant amount that a new compressor
contains [120 (4.2)]
D
: Lubricant amount that is drained from re-
moved compressor
S
: Lubricant amount that remains inside of re-
moved compressor [20 (0.7)]
R
: Lubricant amount to be added according to
components that are removed except com-
pressor
α
: Lubricant amount that is recycled together
with refrigerant during recycle operation
Conditions
Lubricant amount to be added to A/C system
m
(Imp fl oz.)
Replace evaporator
35 (1.2)
Replace condenser
15 (0.5)
Replace liquid tank
5 (0.2)
JPIIA1455GB
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LUBRICANT
120 (4.2)
−
[60 (1.6) + 20 (0.7) + 5 (0.2) + 5 (0.2)] = 30 (1.0)
3.
Install compressor and check the operation.
PERFORMANCE TEST
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PERFORMANCE TEST
Inspection
INFOID:0000000006032325
INSPECTION PROCEDURE
1.
Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge.
2.
Start the engine, and set to the following condition.
Test condition
3.
Maintain test condition until A/C system becomes stable. (Approximately 10 minutes)
4.
Check that test results of “recirculating-to-discharge air temperature” and “ambient air temperature-to-
operating pressure” are within the specified value.
5.
When test results are within the specified value, inspection is complete.
If any of test result is out of the specified value, perform diagnosis by gauge pressure. Refer to
.
RECIRCULATING-TO-DISCHARGE AIR TEMPERATURE TABLE
AMBIENT AIR TEMPERATURE-TO-OPERATING PRESSURE TABLE
Surrounding condition
Indoors or in the shade (in a well-ventilated place)
Vehicle condition
Door
Closed
Door glass
Full open
Hood
Open
Engine speed
Idle speed
A/C condition
Temperature control switch or dial
Full cold
A/C switch
ON
Air outlet
VENT (ventilation)
Intake door position
Recirculation
Fan speed
Maximum speed set
Inside air (Recirculating air) at blower assembly inlet
Discharge air temperature from center ventilator
°
C (
°
F)
Relative humidity
%
Air temperature
°
C (
°
F)
50 – 60
20 (68)
4.7 – 6.7 (40 – 44)
25 (77)
8.6 – 11.1 (47 – 52)
30 (86)
12.6 – 15.6 (55 – 60)
35 (95)
19.0 – 22.5 (66 – 73)
60 – 70
20 (68)
6.7 – 8.7 (44 – 48)
25 (77)
11.1 – 13.6 (52 – 56)
30 (86)
15.6 – 18.6 (60 – 65)
35 (95)
22.5 – 26.0 (73 – 79)
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PERFORMANCE TEST
Fresh air
High-pressure (Discharge side)
kPa (bar, kg/cm
2
, psi)
Low-pressure (Suction side)
kPa (bar, kg/cm
2
, psi)
Relative humidity
%
Air temperature
°
C (
°
F)
50 – 70
25 (77)
909 – 1,112
(9.1 – 11.1, 9.2 – 11.3, 131.8 –
161.2)
159 – 194
(1.6 – 1.9, 1.6 – 2.0, 23.1 – 28.1)
30 (86)
1,073 -– 1,312
(10.7 – 13.1, 10.9 – 13.4, 155.6 –
190.2)
211 – 259
(2.1 – 2.6, 2.2 – 2.6, 30.6 – 37.6)
35 (95)
1,445 – 1,766
(14.5 – 17.7, 14.7 – 18.0, 209.5 –
256.1)
247 – 300
(2.5 – 3.0, 2.5 – 3.1, 35.8 – 43.5)
40 (104)
1,650 – 2,017
(16.5 – 20.2, 16.8 – 20.6, 239.3 –
292.5)
290 – 355
(2.9 – 3.6, 3.0 – 3.6, 42.1 – 51.5)
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