Clutch Drive Hub

Compressor Component View:

Remove or Disconnect

Tools Required:
J 9399-A Thin Wall Socket
J 25030 or J 33027 Clutch Hub Holding Tool
J 34019 or J 9401-B Clutch Plate and Hub Assembly Remover

Clean
^ The compressor with solvent and blow dry with air.

^ Loosen compressor mounting brackets.

Replacing The Shaft Nut:

1. Belt.
^ Reposition the compressor for access, if necessary.
^ Hold clutch hub with J 33027 or J 25030.
2. Shaft nut with J 9399-A.

Clutch Plate And Hub Removal:

3. Clutch plate and hub assembly with J 34019 and J 9401-B.
4. Shaft key.

Install or Connect

Tools Required:
J 9399-A Thin wall socket
J 25030 or J 33027 Clutch Hub Holding Tool
J 9401-B Hub and Drive Plate Installer

^ Do not drive or pound on the clutch hub or the shaft. This may cause internal damage.
^ Make sure the contact surfaces of the clutch plate and hub are clean.

Installing Shaft Key:

1. Shaft key.
^ Allow the shaft key to extend 4.8 mm (3/16 inch) out of the key way.
^ The shaft key is curved slightly to give an interference fit in the groove.

Installing The Clutch Plate & Hub:

2. Clutch drive hub.
^ Install J9401-B
^ Hold the hex portion of J 9401-B with a wrench and tighten the center screw to press the hub onto the shaft until there is a 0.5-1.0 mm (0.20-0.40-inch) air gap between the frictional surfaces of the clutch plate and the clutch rotor.
^ Remove J9401-B
3. Shaft nut with J 9399-A.
^ Use J 25030 or J 33027 to hold the clutch plate and hub assembly.

Tighten
^ Shaft nut to 17 N.m (13 ft. lbs.).
^ Hand spin the pulley to check for free rotation.