Chevrolet 1973 Overhaul Manual page 11

1-6 AIR C O N D IT IO N IN G COMPRESSOR
1. Shaft N u t
2. Clutch Hub Retainer
Ring
3. Spacer
4. Clutch Hub and Drive
Plate Assembly
5. Pulley and Bearing
Retainer Ring
6. Pulley Bearing
Retainer Ring
7. Pulley Bearing
Pulley
8.
Coil Housing Retainer
9.
Ring
Coil Housing
10.
11. Compressor Shell
12. Absorbent Sleeve
Absorbent Sleeve
13.
Retainer
Oil Drain Plug and
14.
Gasket
Front Head-to-Shell
15.
" O " Ring
Apparent seal leaks are sometimes the result of
mispositioning of the wobble plate on the compressor
shaft caused by improper procedures during pulley
removal, pounding or dropping on the compressor shaft
or collision impact. Check as shown in Figure 12. If
measurement is greater than shown, replace the shaft
and wobble plate assembly.
Installation
1. Coat the new shaft seal seat "O " ring with clean
Frigidaire 525 viscosity refrigeration oil (or
equivalent) and install in the compressor neck
groove using Tool J-21508 (fig. 13).
NOTE: Refrigeration oil has been specially
Shaft Seal Seat
16.
Retainer Ring
17. Shaft Seal Seat
Shaft Seal
18.
Shaft Seal Seat " 0 "
19.
Ring
Compressor Front
20.
Head
21. Front Discharge
Valve Plate
22. Front Suction Reed
Valve
23. Discharge Crossover
Tube Front " 0 " Ring
and Spacer
24. Mainshaft Front
Bearing
Head Locating Pins
25.
Front Cylinder Half
26.
Front Thrust Race
27.
and Bearing Pack
28. Suction Crossover
Cover
Fig. 10-Six C ylinder Com pressor-Exploded View
Drive Key
29.
30. Discharge Crossover
Tube
Piston Ring
31.
Piston Front Drive
32.
Ball
Piston Front Ball
33.
Seat
Piston
34.
Piston Rear Ball Seat
35.
Piston Rear Drive
36.
Ball
37. Piston Ring
38. Drive Shaft and
Wobble Plate
Assembly
Rear Thrust Race and
39.
Bearing Pack
Rear Cylinder H alf
40.
Oil Inlet Tube " 0 "
41.
Ring
42. Oil Inlet Tube
43. Mainshaft Rear
Bearing
dehydrated and therefore has a great affinity
for the moisture in the atmosphere. NEVER
leave the refrigeration oil bottle uncapped
for more than a few moments or oil
contamination will result.
2. Coat the "O " ring and seal face of the new shaft
seal assembly with clean refrigeration oil and
carefully engage the seal assembly onto the locking
tangs of Tool J-9392 (fig. 13). Place shaft Seal
Protector J-22974 over the end of the shaft and
slide the seal down the shaft, turning the tool
clockwise and applying light pressure until the seal
assembly engages the flats on the shaft and is
seated in place. Rotate the tool counter-clockwise
44. Discharge Crossover
Tube Rear " 0 " Ring
and Spacer
45. Rear Suction Reed
Plate
46. Rear Discharge Valve
Plate
47. Oil Pump Drive Gear
48. Oil Pump Driven Gear
49. Rear Head-to-Shell
" O " Ring
50. Strainer Screen
51. Compressor Rear
Head
52. Superheat Switch,
" 0 " Ring and
Retainer R ing
53. High Pressure Relief
Valve and " 0 " R ing
54. Rear Head-to-Shell
Retaining Nuts
55. Compressor-to-
Connector " O '" Ring
OVERHAUL MANUAL