Pulley And Bearing Assembly - Chevrolet 1973 Overhaul Manual

1-2 AIR C O N D IT IO N IN G COMPRESSOR
1. Rear Head
2. Rear Head to Shell " 0 " Ring
3. Rear Discharge Valve Plate
4.
Rear Suction Reed Plate
5. Piston Ring
6. Piston D rive Ball
7. Ball Seat
8. Piston
9. Fro n t Suction Reed Plate
10. Fron t Discharge Valve Plate
11.
Fro n t Head to Shell " 0 " Ring
12. Fro n t Head
13. Coil and Housing Assembly
14.
Coil Housing R etainer Ring
compressor damage and seal leakage due to
shift o f crankshaft.
7. Operate the refrigeration system and rapidly cycle
the clutch (by turning the air conditioning off and
on at least 20 times at approximately one second
intervals) to seat the mating parts of the clutch.

Pulley and Bearing Assembly

Removal
1. Remove the hub and drive plate assembly. f
15.
Pulley and Bearing Assembly
16. Pulley Bearing
17. Pulley Bearing R etainer Ring
18. Pulley and Bearing Retainer Ring
19.
C lutch H ub and D rive Plate Assembly
20. Super H eat S w itch , " 0 " Ring and
R etainer Ring
21.
High Pressure R elief Valve
22.
Oil Pum p Gears
23. M ainshaft Bearing (Rear)
24.
Oil In le t T u b e " 0 " Ring
25.
Oil In le t Tu be
26.
W obble Plate and M ainshaft Assembly
27. Th ru st Race
Fig. 1 -Six C ylinder Compressor- Cross Sectional View
2. Using Snap Ring Pliers J-6435, remove the pulley
3. Remove shaft key.
4. Place Puller Pilot J-9395 over the compressor shaft
Inspection
Check the appearance of the pulley and bearing
assembly. If the frictional surface of the pulley shows
28. Th ru st Bearing
29. Th ru st Race
30. Compressor Shell
31. C ylinder Assem bly
32.
Shaft Seal
33. S haft Seal Seat " 0 " Ring
34. Shaft Seal Seat
35. S haft Seal Seat R etainer Ring
36. A bsorbent Sleeve
37. A bsorbent Sleeve R etainer
38. Spacer
39. Clutch H u b R etainer Ring
40. Shaft N u t
and bearing retainer ring (fig. 6).
and pull off the pulley assembly using J-8433 pulley
puller (fig. 7).
OVERHAUL MANUAL