GMC chervolet camaro 1999 Service Manual page 155

1-64 HVAC System - Manual
2
HVAC
Compressor Clutch Plate/Hub Assembly
Install (VS - Conventional Mount)
Tools Required
• J 33013-8 Hub And Drive Plate Remover And
Installer
• J 33022 Shaft Nut Socket
• J 33027-A Clutch Hub Holding Tool
1. Install the shaft key (4) into the key groove of the
clutch plate and hub (1 ).
3 • Allow the key to project 3.2 mm (0.126 in) out
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of the key groove.
• The shaft key is curved slightly in order to
provide an interference fit in the key groove of
the hub.
2. Clean the frictional surfaces of the clutch plate
and hub and the clutch pulley rotor (2).
3. Align the shaft key with the shaft keyway (3).
Notice: Do not drive or pound on the clutch hub or the
shaft. Internal damage to the compressor may result.
4. Place the clutch plate and hub assembly onto the
compressor shaft.
5. Remove the center screw from the J 33013-B.
6. Reverse the body direction of the center screw of
the J 33013-8.
7. Install the J 33013-8 with the bearing.
8. Back off the body of the J 33013-8 in order to
(
allow the center screw to be threaded onto the
end of the compressor shaft.
9. Hold the center screw of the J 33013-8 with a
wrench.
Notice: If the center screw is threaded fully onto the
end of the compressor shaft, or if the body of the
installer is held and the center screw is rotated, the key
will wedge and will break the clutch hub.
10. Tighten the hex portion of the body of the
J 33013-8 in order to press the hub onto the shaft.
11. Tighten the body of the J 33013-8 several turns.
12. Remove the J 33013-8.
13. Verify that the shaft key remains in the keyway
before installing the clutch plate and hub
assembly to the final position.
14. Ensure that the gap between the frictional
surfaces of the clutch plate and the clutch rotor is
within 0.40-0.50 mm (0.016-0.020 in).
15. Remove the J 33013-8.
16. Verify that the shaft key is even with or slightly
above the clutch hub.
17. Install the shaft nut.
18. Hold the clutch plate and hub assembly with
the J 33027-A.