Clutch Plate and Hub Assembly

HR-6 Component View:

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

Remove or Disconnect

Tools Required:
J 33026 Compressor Holding Fixture
J 33027 Clutch Hub Holding Tool
J 33022 6-Point 13 mm Socket
J 33013-B Hub and Drive Plate Remover and Installer

Removing The Shaft Nut:

^ Clamp J 33026 in a vise and attach the compressor to the holding fixture with thumb screws.
1. Shaft nut (1) using J 33022.
^ Hold the clutch plate and hub assembly (2) steady using J 25030.

2. Clutch plate and hub assembly (2).
^ Thread J 33013-B into the clutch plate and hub assembly (2).

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 (21).
^ Retain shaft key (21) if usable.

Inspect
^ All parts and replace as necessary.

Install or Connect

Tools Required:
J 33026 Compressor Holding Fixture
J 33027 Clutch Hub Holding Tool
J 33022 6-Point 13 mm Socket
J 33013-B Hub and Drive Plate Remover and Installer

1. Shaft key (1).

Positioning The Shaft Key, Clutch Plate & Hub Assembly:

^ Allow the shaft key (21) to extend 3.2 mm (118-inch) out of the bottom of the hub keyway.
^ The shaft key is curved slightly to give an interference fit in the 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 (2).
^ Make sure the contact surfaces of the clutch plate (2) and the pulley (5) 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.
^ 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 while pressing the hub onto the shaft. After tightening the body several turns, remove J 33013-B and check that the shaft key (21) is properly in place in the keyway, then install the clutch plate and hub assembly (2) to its final position.
^ Measure the air gap between contact surfaces of the clutch plate and hub assembly (2) and the pulley (5). The gap should be 0.38-0.64 mm (0.015-0.025-inch).
^ Remove J 33013-B.

Inspect
^ Position of the shaft (20) (even with or slightly above the clutch hub).
^ Use J 33027 to hold the clutch plate and hub assembly (2).

Tighten
^ Shaft nut (1) to 16 N.m (12 ft. lbs.) with J 33022.
- Hand spin the pulley (5) to check for free rotation.
^ Remove J 33026.