Compressor Clutch: Service and Repair

Compressor Exploded View:

Compressor Clutch:

REMOVAL
^ When removing shaft nut, hold clutch disc with clutch disc wrench.

Compressor Clutch Removal:

^ Using clutch disc puller, clutch disc can be removed easily.

Compressor Clutch Removal:

^ Bend down pawl of lock washer.
^ When removing pulley, remove lock nut with nut wrench.

Compressor Clutch Removal:

^ Remove the pulley by hand. If difficult, use puller pilot.

Compressor Clutch Inspection:

INSPECTION
Clutch disc
If the contact surface shows signs of damage due to excessive heat, the drive plate and pulley should be replaced.

Pulley
Check the appearance of the pulley assembly. If the contact surface of the pulley shows signs of excessive grooving due to slippage, both the pulley and drive plate should be replaced. The contact surfaces of the pulley assembly should be cleaned with a suitable solvent before reinstallation.

Coil
Check coil for loose connection or cracked insulation.

Compressor Clutch Installation:

INSTALLATION
^ Install the key in the keyway on the compressor drive shaft.
^ Install the coil to compressor (lead wire up) and tighten the mounting screws.
^ Install the lead wire with its holder into the hold.

Compressor Clutch Installation:

^ Install lock washer and nut with nut wrench.
^ Bend one pawl of the lock washer up against the nut to prevent the nut from loosening.

Compressor Clutch Installation:

^ Check to ensure that the clutch clearance is between 0.3 to 0.6 mm (0.012 to 0.024 in). Adjust the clearance using shim(s) as necessary.

BREAK-IN OPERATION
When replacing compressor clutch assembly, do not forget break-in operation, accomplished by engaging and disengaging the clutch about thirty times.
Break-in operation raises the level of transmitted torque.