Clutch Drive Hub - GMC 1989 Light Duty Truck Repair Manual

6. Pulley rim m ounting 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
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 assem bly on the shaft while
aligning the shaft key and keyway.
NOTICE: To avoid in te rn a l d am ag e to the c o m ­
pressor, do n o t drive o r p o u n d on the c lu tc h hub
o r shaft.
3. J 9480-B on the com pressor (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 , 34 and 35)
2.
Key
3.
C lu tc h Drive
H ub
5. R o to r
Figure 34— Installing the Shaft Key
Figure 35— Installing the Clutch Plate and
Hub Assembly
4. New shaft nut using J 9399.
• The small diam eter 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
A i r G a p (.020 -.0 4 0 - i n c h )
C l u t c h P la t e a n d H u b
A s s e m b l y
J 9 48 0 -B
F-05638