Clutch Drive Hub - GMC 1990 Light Truck Repair Manual

J 29886
J 9481-A
6
Figure 33—Installing the Clutch Rotor Bearing
6. Pulley rim mounting screws and washers. Do not
tighten.
• Check that the pulley rim is in line. Adjust if neces­
sary.
7. Tighten the screws to 11 N-m (100 in. lb.).
• Bend the screw head washers to secure them in
place.

CLUTCH DRIVE HUB

|+ + | Install or Connect (Figures 6, 34 and 35)
Tools Required:
J 9399 Thin Wall Socket
J 9480-B Clutch Plate and Hub Installer
J 33027 Clutch Hub Holding Tool
1. Shaft key in the groove (figure 34).
• Leave the key about 4.8mm (3/16-inch) out of
the keyway.
2. Clutch plate and hub assembly on the shaft while
aligning the shaft key and keyway.
NOTICE: To avoid internal damage to the com­
pressor, do not drive or pound on the clutch hub
or shaft.
3. J 9480-B on the compressor (figure 35).
• Tighten until there is 0.5-1.0mm (0.020-0.040-
inch) gap between the frictional surfaces of the
clutch plate and the clutch rotor.
R-4 AIR CONDITIONING COMPRESSOR 1B3-13
6. Rotor Bearing
7. Rotor and Hub
A ssem bly
F-06152
2
.
Key
3. C lutch Drive
Hub
5.
Rotor
Figure 34—Installing the Shaft Key
Figure 35—Installing the Clutch Plate and
Hub Assembly
4. New shaft nut using J 9399.
• The small diameter boss of the nut goes against
the crankshaft shoulder.
& Tighten
Shaft nut to 14 N-m (10 ft. lb.) while holding the
clutch plate and hub using J 33027 (figure 6).
B-08998
Air Gap (,020.040-inch)
C lutch Plate and Hub
Assem bly
J 9480-B
' F-05638