GMC 1989 Light Duty Truck, Repair Manual, Page: 83 / 998

HR-6 AIR CONDITIONING COMPRESSOR 1B4-7
Figure 16 — Installing the Pulley Bearing Assembly
— The thread of the through bolts should
engage the full thickness of J 33026.
• Tighten the center screw in J 8433-1 to force the
pulley and bearing assem bly onto the com pres­
sor front head (11) (figure 16).
— Should J 33017 become m isaligned with
the inner race of the bearing, back off
J 8433-1 and relocate center, then con­
tinue installation.
4. Pulley bearing retainer (3) using J 6083 (figure 9).
5. Clutch plate and hub assem bly (2).
CLUTCH COIL AND HOUSING
ASSEMBLY REPLACEMENT
]?
+ « -
1
.
2
.
3.
Remove or Disconnect (Figures
4
and 17)
Tools Required:
J 8433-1 Puller Bar
J 08433-3 Puller Screw
J 33023-A Puller Pilot
J 33025 Clutch Coil Puller Legs
Clutch plate and hub assem bly (2).
Pulley (5).
• Mark or scribe the location of the clutch coil (6)
to terminal on the com pressor front head (11).
Clutch coil assembly (6).
• Install J 33023-A on the head (11) of the com ­
pressor.
• Install J 8433-1 with J-33025 (figure 17).
• T ig h te n J 8 43 3-1 fo r c in g s c re w a g a in s t
J 33025-A.
Inspect
Clutch coil assem bly (6). Replace as necessary.
Install or Connect (Figures 4 ,1 8 ,1 9 and 20)
Tools Required:
J 8433-1 Puller Bar
J 33024 Clutch Coil Installer Adapter
J 33026 Com pressor Holding Fixture
1. Com pressor assembly on J 33026.
2. Clutch coil assem bly (6) onto the front head (11) with
the term inals positioned at the “ m arked” location.
• J 33024 over the internal opening of the clutch
coil assembly (6).
• J 8433-1 with through bolts, washers and forc­
ing screw over J 33024.
• Thread through bolts into J 33026 to full fixture
thickness (figure 18).
• Be sure J 8433-1 and the clutch coil assembly
(6) stay “ in line” during installation.
• When the clutch coil assembly (6) is seated on
the front head (11), use a 3 mm (Vs-inch) diam e­
ter drift punch to stake the head (11) at 3 places,
120 degrees apart to assure the clutch coil
assembly (6) remains in position (figure 19).
— Stake size should be one half the area of
the punch tip and 0.28-0.35 mm (0.010-
0.015-inch) deep (figure 20).
3. Pulley (5).
4. Clutch plate and hub assembly (2).