Pontiac firebird 1968 - Page 43

1A-16
1968 PONTIAC SERVICE MANUAL
Fig. 1A-17 Removing O-Ring Seal
using J 9393-1 and 2. Be sure the seal seat O-ring
is not dislodged and seal seat Is making a good
seal with O-ring.
4. Install new seal seat retainer ring, using J 5403
(No. 21 Tru arc pliers), with flat face against seal
seat. The sleeve from J 9393 may be used to press
on retainer ring so that it snaps Into place. Remove
seal protector J 22974 from the end of shaft.
5. Leak test compressor and correct any leaks
found.
6. Wipe out any excess oil inside the compressor
neck and on the shaft, resulting from Installing the
new seal parts.
7. Install new absorbent sleeve by rolling the
material into a cylinder, overlapping ends, and
slipping sleeve into compressor neck with overlap
toward the top of compressor. With a small screw-
driver or similar instrument carefully spread sleeve
to remove the overlap so that In the final position
the ends of sleeve will butt at top vertical centerline.
8. Position new metal sleeve retainer so that its
flange face will be against the front end of the sleeve.
Tool J 9395 or the sleeve from J 9393 may be used
to install the retainer. Press and tap with a mallet,
setting the retainer and sleeve into place, until the
outer edge of the retainer is recessed approximately
1/32" from the face of the compressor neck.
9. Re-install the hub and drive plate assembly.
10. Evacuate and charge refrigeration system.
11. Perform operational test,
COMPRESSOR ASSEMBLY-OVERHAUL
INTRODUCTION
These operations are based on the use of recom-
mended service tools and on condition that an ade-
quate stock of service parts to select from is
available.
Service parts should include:
1. Standard size piston drive balls.
2. Shoe discs--total of 10 sizes, including ZERO
shoe.
3. Thrust races—total of 14 sizes, including the
ZERO race.
4. Pistons—both standard head and re-expansion
heads.
5. Main shaft-needle bearings.
6. Thrust bearings.
7. Compressor shaft, swash plate and Woodruff
key assembly.
8. Service cylinder assembly—front, rear halves,
with main bearing in place and halves dowel-pinned
together.
9. Major interior mechanism assembly.
10. Suction reed valve—front, rear.
11. Discharge valve assembly—front, rear.
12. Gasket kit—service containing all gaskets,
seals, O-rings, etc. This is to be used each time a
compressor is rebuilt after a teardown.
13. Shaft seal kit.
14. Nuts—head to shell and shaft.
15. Ring—retainers.
16. Cylinder locator pins.
17. Valve and head locator pins.
18. Service type—discharge crossover tube kit.
A clean work bench, orderliness of the work area
and a place for all parts being removed and re-