Clutch Plate and Hub Assembly

Compressor Components:

Tools Required:
J 33013-B Hub and Drive Plate Remover and Installer
J 33022 6-Point 13 mm Socket
J 33027-A Clutch Hub Holding Tool
J 34992 Compressor Holding Fixture

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

Remove or Disconnect

^ Clamp J 34992 in a vise and attach the compressor to the holding fixture with thumb screws.

Removing The Shaft Nut:

1. Shaft nut (21) using J 33022.
^ Hold the clutch plate and hub assembly (22) steady using J 33027-A.
2. Clutch plate and hub assembly (22).
^ Thread J 33013-B into the clutch plate and hub assembly (22).

Removing The Clutch Plate & Hub Assembly:

^ Hold the body of J 33013-B with a wrench and tighten the center screw into the remover body.
3. Shaft key (23).
^ Retain shaft key (21) if usable.

Inspect
^ All parts and replace as necessary.

Install Or Connect

1. Shaft key (23) into the hub key groove.

Removing The Clutch Plate And Hub & Shaft Key:

^ Allow the shalt key (23) to extend 3.2 mm (1/8-inch) out of the bottom of the hub keyway.
^ The shaft key (23) is curved slightly to give an interference fit in the hub key groove.

Important
^ Do not drive or pound on the clutch hub or the shaft (20). Internal damage to the compressor may result.

Installing The Clutch Plate & Hub Assembly:

2. Clutch plate and hub assembly (22).
^ Make sure the contact surfaces of the clutch plate (22) and the pulley (26) are clean.
^ Remove the forcing screw tip from J 33013-B and reverse the body direction on the center screw.
^ Install J 33013-B with bearing (B).
^ Back off J 33013-B body enough to allow the center screw to be threaded against the end of the compressor shaft.
^ Hold the center screw with a wrench and tighten the hex portion of J 33013-B body to press the hub onto the shaft (38). After tightening the body several turns, remove J 33013-B and check that the shaft key (23) is properly in place in the keyway, then install the clutch plate and hub assembly (22) to its final position.
^ Measure the air gap between contact surfaces of the clutch plate and hub assembly (22) and the pulley (26). The gap should be 0.38-0.64 mm (0.015-0.025-inch).
^ Remove J 33013-B.
3. Shaft nut (21).

Inspect
^ Position of the shaft (even with or slightly above the clutch hub).
^ Use J 33027-A to hold the clutch plate and hub assembly (2).

Tighten
^ Shaft nut (21) to 17 N.m (12 ft.lbs.) with J 33022.
- Use J 33027-A to hold the clutch plate and hub assembly (22).
- Hand spin the pulley (26) to check for free rotation.
- Remove the compressor from J 34992.