1977 R-4 Compressor Cross Section; 1977 R-4 In Holding Fixture - Pontiac TRANS AM 1977 Service Manual

CUSTOM AIR CONDITIONING 18-57
THRUST AND
BELLEVILLE
WASHERS
COMPRESSOR
S H E L L
I
MAIN BEARING
-
FRONT
PULLEY RIM
VALVE PLATE RETAINER RING
/
VALVE PLATE
ASSEMBLY
Fig. 16-97 1977 R-4
IGH PRESSURE
Fig. 16-98 1977 R-4 In Holding Fixture
:ompressor Cross Section
Replace
1. Place the rotor and hub assembly face down on a
clean, flat and f i r m surface.
2. Align the new bearing squarely with the hub bore and
using Pulley and Bearing Installer J 9481 with Universal
Handle, drive the bearing fully into the hub (Fig. 1B-108).
The Installer will apply force to the outer race of the bearing.
3. Using a center punch with a 45" angle point, stake
(0.45"-.055") the bearing in three places 120" apart as shown
in Fig. 1B-107, but do not stake too deeply and possibly
distort the outer race of the bearing.
4. REPLACE ROTOR & BEARING ASM. (ON CAR)
NOTE: Rotor and bearing assembly removal and
installation may be completed on the car without
Discharging the A/C system.
A. Position the rotor and bearing assembly on the front
head.
B. With Rotor & Bearing Installer J 26271 (without
driver handle) in position and rotor and bearing assembly
aligned with the front head as illustrated, drive the assembly
part way onto the head (Fig. 1B-109).