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CUSTOM AIR CONDITIONING
16-63
2. Remove the shaft seal seat retainer ring using Snap
Ring Pliers, J 5403 (#21).
3. Thoroughly clean the inside of the compressor neck
area surrounding the compressor shaft seal, seal seat and
shaft to remove all dirt and foreign material before removing
the seal seat.
4. Insert Seal Seat Remover and Installer, J 23128 (Fig.
1B-119), over the shaft and into the recessed area of the seal
seat. Tighten tool clockwise to securely engage the knurled
tangs with the seal seat. Remoe the seal seat with a twisting
and pull motion. Discard the seal seat.
Fig.
18-1 17
lnstalling
1977 R-4
Seal (On Car)
5. Attach the ceramic seal seat to the Seal Seat Remover
and Installer J 23128 and dip the ceramic seat in clean 525
viscosity oil to coat the seal face and outer surface. Carefully
install the seat over the compressor shaft and J 22974 Seal
Protector and push the seat into place with a rotary motion
(Fig. 1B-118). Remove Tools J 23 128 and J 22974.
- -
-
Fig.
18-1 19
Removing
&
Installing
1977 R-4
Seal Seat
(Off Car)
Fig.
18-1 18
Installing
1977 R-4
Ceramic Seal Seat (On
Car)
6. Install the new seal seat retainer ring with Snap Ring
Pliers J 5403 (#21).
7. Install the clutch plate as described in "R-4
Compressor Clutch Plate
&
Hub Asm." Replacement
procedure.
8. Re-install compressor belt and tighten bracketry.
9. "Evacuate and Charge the Refrigerant System"
according to the DISCHARGING, EVACUATING AND
CHARGING
PROCEDURES
FOR
C.C.O.T.
A/C
SYSTEMS.
R-4 COMPRESSOR SHAFT SEAL
REPLACEMENT (OFF CAR)
Remove
1. Remove the clutch plate and hub assembly as
described in "R-4 Compressor Clutch Plate
&
Hub Asm."
Removal procedure.
5. Insert Seal Remover and Installer, J 9392 (Fig. 1B-
120), over the shaft and engage the shaft seal by pressing
downward on the tool to overcome shaft seal spring pressure
and turning the tool clockwise to engage the seal assembly
tabs with the tangs of the J 9392. Remove the seal assembly
by pulling straight out from the compressor shaft. Discard
the seal.
6. Remove the seal seat O-ring from the compressor neck
using O-ring Remover, J 9553. Discard the O-ring.
Replace
(See Fig. 1B-44 "Specification Seal Kit").
1. Dip the new seal seat O-ring in clean refrigerant oil
and assemble onto O-ring Installer, J 2 1508, as shown in Fig.
1B-121.
2. Insert O-ring Installer, J 21508, into the compressor
neck until the tool "bottoms". Lower the moveable slide of
the O-ring Installer to release the O-ring into the seal seat
O-ring groove. Rotate the installer to seat the O-ring and
remove the tool. Inspect the internal neck area for cleanliness
and proper O-ring positioning.
3. Dip the O-ring and seal face of the new shaft seal in
clean refrigerant oil and carefully engage the shaft seal with
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