2007 INFINITI M35 Factory Service Manual

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Page 473 of 4647

INFINITI M35 2007 Factory Service Manual ATC-22
REFRIGERATION SYSTEM
Revision: 2007 April2007 M35/M45
DESCRIPTION
General
The variable compressor is a swash plate type that changes piston stroke in response to the required cooling
capacity.

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INFINITI M35 2007 Factory Service Manual REFRIGERATION SYSTEM
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Operation
1. Control Valve
–By changing high-pressure valve lift amount, built-in electronic control valve ex

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INFINITI M35 2007 Factory Service Manual ATC-24
REFRIGERATION SYSTEM
Revision: 2007 April2007 M35/M45
sure difference between the piston and the crankcase. The pressure difference changes the angle of the
swash plate.
SJIA0548E

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INFINITI M35 2007 Factory Service Manual REFRIGERATION SYSTEM
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Component LayoutNJS000G2
SJIA1785E

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INFINITI M35 2007 Factory Service Manual ATC-26
LUBRICANT
Revision: 2007 April2007 M35/M45
LUBRICANTPFP:KLG00
Maintenance of Lubricant Quantity in CompressorNJS000G3
The lubricant in the compressor circulates through the system with the refr

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INFINITI M35 2007 Factory Service Manual LUBRICANT
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Revision: 2007 April2007 M35/M45
LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COM-
PRESSOR
After replacing any of the following major co

LUBRICANT
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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.
LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACEMENT
1. Before connecting recovery/recycling recharging equipment to vehicle, check recovery/recycling recharg-
ing equipment gauges. No refrigerant pressure should be displayed. If NG, recover refrigerant from equip-
ment lines.
2. Connect recovery/recycling recharging equipment to vehicle. Confirm refrigerant purity in supply tank
using recovery/recycling recharging equipment and refrigerant identifier. If NG, refer to AT C - 7 , "
CONTAM-
INATED REFRIGERANT" .
3. Confirm refrigerant purity in vehicle A/C system using recovery/recycling recharging equipment and refrig-
erant identifier. If NG, refer to AT C - 7 , "
CONTAMINATED REFRIGERANT" .
4. Discharge refrigerant into the refrigerant recovery/recycling equipment. Measure lubricant discharged into
the recovery/recycling equipment.
5. Drain the lubricant from the old (removed) compressor into a graduated container and recover the amount
of lubricant drained.
6. Drain the lubricant from the new compressor into a separate, clean container.
7. Measure an amount of new lubricant installed equal to amount drained from old compressor. Add this
lubricant to new compressor through the suction port opening.
8. Measure an amount of new lubricant equal to the amount recovered during discharging. Add this lubricant
to new compressor through the suction port opening.
9. If the liquid tank also needs to be replaced, add another 5 m (0.2 US fl oz., 0.2 Imp fl oz.) of lubricant at
this time.
Do not add this 5 m (0.2 US fl oz., 0.2 Imp fl oz.) of lubricant when replaces the compressor only.
Part replacedLubricant 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 leak30 (1.0, 1.1) Large leak
—
Small leak
*1

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INFINITI M35 2007 Factory Service Manual ATC-28
LUBRICANT
Revision: 2007 April2007 M35/M45
RJIA3578E

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INFINITI M35 2007 Factory Service Manual AIR CONDITIONER CONTROL
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Revision: 2007 April2007 M35/M45
AIR CONDITIONER CONTROLPFP:27500
Description of Air Conditioner LAN Control SystemNJS000G4
The LAN (Local Ar

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