GMC 1989 Light Duty Truck, Repair Manual, Page: 61 / 998

R-4 AIR CONDITIONING COMPRESSOR 1B3-3
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 term inals.
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 m ounting 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 com pressor 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).
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 ,1 2 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 assem bly on a flat surface.
/ 4 23 9
W « * /
27
1. S h a ft N u t 13. Seal
2. C lu tc h H u b Key 14. B o lt
14
i
3. C lu tc h Drive H u b 15. F ro n t Head
4. R e ta in e r R ing
16. B e aring 25. Seal
5. R o to r 17. Seal 26. H ig h P ressure S w itc h
6. B earing 18. S h ell 27. R e ta in e r
7. C oil 19. S eals 28. C ap
8. P ulley 20. T h ru s t W a sh e r 29. S eals
9. W asher 21. B e lle v ille W a sh e r 30. R e ta in e r
10. S crew 22. C y lin d e r B o dy and S h a ft 31. Valve Plate
11. R e ta in e r R ing 23. Seal 32. R e ta in in g S tra p
12. S h a ft Seal 24. P ressure R e lie f Valve 33. P is to n and Reed A s s e m b ly
B-08291
F igure 4 — C o m p resso r C o m p o n e n t V iew