K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
J 33027-A Clutch Hub Holding Tool
J 33026 Compressor Holding Fixture
1. Shaft key (1).
Positioning The Shaft Key, Clutch Plate & Hub Assembly
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Allow the shaft key (21) to extend 3.2 mm (1/8-inch) out of the bottom of the hub keyway.
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The shaft key is curved slightly to give an interference fit in the groove.
NOTICE: 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).
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Make sure the contact surfaces of the clutch plate (2) and the pulley (5) are clean.
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Remove the forcing screw tip from J 33013-B and reverse the body direction on the center screw.
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Install J 33013-B with bearing (B).
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Back off J 33013-B body enough to allow the center screw to be threaded against the end of the compressor shaft (38).
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Hold the center screw with a wrench and tighten the hex portion of J 33013-B body while pressing the hub onto the shaft (38). 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.
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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
