Compressor Clutch: Service and Repair

COMPRESSOR


Removal and Installation for Compressor Clutch

Magnet Clutch Assembly











REMOVAL
1. Remove the compressor. Service and Repair.





2. Remove the center bolt while holding the clutch disc stationary using Tool as shown.

Tool number : - (J-44614)

3. Remove the clutch disc and shims.

CAUTION:
Retain all of the shims for installation.





4. Remove the snap ring using a suitable tool.





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.





2. Install the pulley assembly using Tool and a wrench, then install the snap ring using a suitable tool.

Tool number : - (J-38873-A)






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.

Tool number : - (J-44614)


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.

Clutch disc-to-pulley clearance : 0.3 - 0.6 mm (0.012 - 0.024 in)

6. If the specified clearance is not obtained, replace the adjusting spacer to readjust.
7. Install the compressor. Service and Repair.

BREAK-IN OPERATION





When replacing compressor clutch assembly, always conduct the break-in operation. This is done by engaging and disengaging the clutch about 30 times. Break-in operation raises the level of transmitted torque.