Cadillac 60 Series 1963 Shop Manual page 421

13-40
HEATING AND AIR CONDITIONING
Fig. 13-44 Removing Shaft Seal O-Ring
2. Install new O-ring seal in groove in front
head casting bore, making certain that O-ring is
installed in bottom groove, Fig. 13-45. Top
groove is for retainer ring.
3. Immerse shaft seal in clean compressor
oil before installing, to prevent shoulder from
damaging O-ring.
4. Install shaft seal over flats on shaft with
carbon seal up, using Seal Remover and Installer,
J-9392. Turn tool counterclockwise to release
it from seal tabs and remove tool.
5. Insert seal seat into front head casting bore
until it contacts shaft seal, being careful not to
dislodge O-ring In bore.
CAUTION: Contact surface of seal seat must
be protected against any damage, such as
scratches and nicks. Even finger markings
may cause surface damage.
6. Insert seal seat retainer ring, flat side
down, into bore, using Snap Ring Pliers, J-5403
(#21), until retainer rests on seal seat.
7. Remove snap ring pliers and, using Seal
Seat Remover and Installer, J-9393, press down
on retainer ring until spring pressure of shaft
seal is overcome and retainer ring snaps into its
groove in casting bore, Fig. 13-45.
NOTE: The chamfer that can be seen from
the shaft end is a land, not a groove, Fig. 13-45.
8. Install clutch plate and hub assembly as
described in Note 32b.
9. Perform compressor leak test as described
in Note 43.
•Shaft Nut
• Retainer Ring
•Spacer
* Retainer Ring
Seal Seat
O-Ring
Seal Assembly
Fig. 13-45 Cut Away View of Shaft Seal
and Seal Seat Installed
37. Compressor Overhaul—Preliminary
Whenever a major overhaul or rebuild is per-
formed on a compressor it is essential that the
recommended service tools be available in order
to perform the various service operations pro-
perly. In addition, an adequate supply of service
parts should be available. Service parts should
include the following:
1. Standard size piston drive balls.
2. Shoe discs - total of 11 sizes, including the
ZERO shoe.
3. Thrust races - total of 16 sizes, including
the ZERO race.
4. Pistons.
5. Main shaft - needle bearings.
6. Thrust bearings.
7. Compressor shaft, swash plate and wood-
ruff key assembly.
8. Service cylinder assembly - front, rear
halves, with main bearing in place and halves
dowel pinned together.