Infiniti QX56 (JA60). Manual - part 582

 

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Infiniti QX56 (JA60). Manual - part 582

 

 

COMPRESSOR

HA-33

< ON-VEHICLE REPAIR >

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5. Remove the pulley using suitable tool (A).

CAUTION:

To prevent deformation of the pulley groove, the puller

claws should be hooked under the pulley groove and not

into the pulley groove.

6. Remove the three magnet coil screws using a suitable tool and

remove the magnet coil.

INSPECTION

Clutch Disc

If the contact surface shows signs of damage due to excessive heat,

replace clutch disc and pulley.

Pulley

Check the appearance of the pulley assembly. If contact surface of pulley shows signs of excessive grooving,

replace clutch disc and pulley. The contact surfaces of the pulley assembly should be cleaned with a suitable

solvent before reinstallation.

Coil

Check magnet coil for loose connections or any cracked insulation. Replace as necessary.

INSTALLATION

1. Install the magnet coil.

CAUTION:

Be sure to align the magnet coil pin with the hole in the

compressor front head.

AWIIA1285ZZ

WHA212

WHA183

WHA213

HA-34

< ON-VEHICLE REPAIR >

COMPRESSOR

2. Install the pulley assembly using Tool and a wrench, then install

the snap ring using a suitable tool.

3. Install the clutch disc on the compressor shaft, together with all

the original shim(s) using a suitable tool. Press the clutch disc in

by hand.

4. Install the clutch pulley bolt while using Tool to prevent the clutch

disc from turning and tighten the bolt to specification.

CAUTION:

After tightening the clutch pulley bolt, check that the clutch

pulley rotates smoothly.

5. Check the pulley clearance all the way around the clutch disc as

shown.

6. If the specified clearance is not obtained, replace the adjusting

spacer to readjust.

7. Install the compressor. Refer to 

HA-31, "Removal and Installa-

tion for Compressor"

.

Tool number

: — (J-38873-A)

WJIA1016E

WHA184

Tool number

:  — (J-44614)

WHA229

Clutch disc-to-pulley clearance

: 0.3 - 0.6 mm 
(0.012 - 0.024 in)

WHA194

COMPRESSOR

HA-35

< ON-VEHICLE REPAIR >

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BREAK-IN OPERATION

When replacing compressor clutch assembly, always conduct the break-in operation. This is done by engag-

ing and disengaging the clutch about 30 times. Break-in operation raises the level of transmitted torque.

HA-36

< ON-VEHICLE REPAIR >

LOW-PRESSURE FLEXIBLE HOSE

LOW-PRESSURE FLEXIBLE HOSE

Removal and Installation for Low-Pressure Flexible Hose

INFOID:0000000005147655

REMOVAL

1. Remove the engine room cover using power tools.
2. Remove the engine air cleaner and air ducts. Refer to 

EM-25, "Removal and Installation"

.

3. Remove the cowl top extension. Refer to 

EXT-18, "Removal and Installation"

4. Discharge the refrigerant. Refer to 

HA-20, "HFC-134a (R-134a) Service Procedure"

.

CAUTION:

Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air. 

5. Remove the low-pressure flexible hose.

INSTALLATION

Installation is in the reverse order of removal.

Refer to 

HA-29, "Component"

.

CAUTION:

• Replace the O-ring of the low-pressure flexible hose with a new one, then apply compressor oil to it

when installing it.

• After charging refrigerant, check for leaks.

 

 

 

 

 

 

 

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