Pole Clutch Rotor And/Or Bearing - GMC 1990 Light Truck Repair Manual

J 25031 Rotor and Bearing Remover
J 29886 Driver Handle
1. Snap Ring with J 6038 (figure 8).
• Mark the location of the clutch coil terminals.
Important
• If only the clutch rotor and/or rotor bearing are to be
replaced, bend the screw head washer away from the
pulley rim and remove the six mounting screws and
washers. If the clutch coil or pulley rim is to be
removed leave the screws in place.
2. Rotor and bearing assembly.
• Place J 25031 guide on the compressor shaft
(figure 9).
• Engage the legs of J 25031 into the recessed
edge of the rotor hub (figure 10).
• Tighten the puller screw and remove the clutch
rotor and bearing. Do not drop the guide.
3. Bearing from the clutch rotor using J 29886 and
J 9398-A (figure 11).
1. Shaft Nut
2. Clutch Hub Key
3. Clutch Drive Hub
4. Retainer Ring
5. Rotor
6. Bearing
7. Coil
8. Pulley
9. Washer
10. Screw
11. Retainer Ring
12. Shaft Seal
R-4 AIR CONDITIONING COMPRESSOR 1B3-3
13. Seal
14. Bolt
15. Front Head
16. Bearing
17. Seal
18. Shell
19. Seals
20. Thrust Washer
21. Belleville Washer
22. C ylinder Body and Shaft
23. Seal
24. Pressure Relief Valve
Figure 4—Compressor Component View
4. File away the old staked metal to provide a clearance
for the new bearing.
6 POLE CLUTCH ROTOR
AND/OR BEARING
Remove or Disconnect (Figures 4,12 and 13)
Tools Required:
J 6083 Snap Ring Pliers
J 29886 Driver Handle
J 9398-A Rotor Bearing Remover
J 33020 Pulley Bearing Puller
1. Retainer ring using J 6083.
2. Rotor and bearing assembly.
• Install J 33020 into the slots in the rotor and
rotate the puller (figure 12). Remove the rotor
and hub assembly.
4. Screw from the puller. Leave the puller in the rotor.
• Invert the puller and rotor assembly on a flat surface.
14
25. Seal
26. High Pressure Switch
27. Retainer
28. Cap
29. Seals
30. Retainer
31. Valve Plate
32. Retaining Strap
33. Piston and Reed Assem bly
12
B-08291