Chevrolet Chevelle 1977 Repair Manual page 11

Fig. 7 - A l i g n i n g Drive Plate Key
PULLEY BEARING
Remove
1. Remove clutch plate and hub assembly as described
in "Compressor Clutch Plate and Hub Asm." Removal
procedure.
2. Remove pulley and bearing assembly as described
in "Compressor Pulley and Bearing Asm." Removal
procedure.
3. Remove pulley bearing retainer ring with a small
screwdriver or pointed tool (Fig. 13).
4. Place pulley and bearing assembly on inverted
Support Block J-21352 and, using Pulley Bearing Remover
J-9398 with Universal H andle J-8092, drive Bearing
assembly out of pulley (Fig. 14).
Replace
1. Install new bearing in pulley using Pulley and
Bearing Installer J-9481 with Universal Handle J-8092 (Fig.
15). The Installer will apply the force to the outer race of
the bearing.
CAUTION: DO N O T CLEAN N E W BEARIN G
ASSEM BL Y W ITH A N Y TYPE OF SOL VENT
Bearing is supplied with correct lubricant when
assembled and requires no other lubricant at any
time.
2. Install bearing retainer ring, making certain that it
is properly seated in ring groove.
Fig. 8--lnstalling Drive Plate
AIR CONDITIONING
KEYWAY IN
SHAFT
HOLDING FIXTURE
J-9396
DRIVE PLATE
INSTALLER
J-9480-01
SPACER
J-9480-2
J-9396
HOLDING
FIXTURE
Fig. 9 --Checkin g A ir Gap
3. Install pulley and bearing assembly as described in
"Compressor Pulley and Bearing Asm." Replacement
procedure.
4. Install clutch plate and hub assembly as described
in "Compressor Clutch Plate and Hub Asm." Replacement
procedure.
CLUTCH COIL AND HOUSING ASSEMBLY
Remove
1. Remove clutch plate and hub assembly as described
in "Compressor Clutch Plate and Hub Asm." Removal
procedure.
2. Remove pulley and bearing assembly as described
in "Compressor Pulley and Bearing Asm." Removal
procedure.
Note position of terminals on coil housing
3.
and scribe location on compressor front head
casting .
4. Remove coil housing retaining ring using Snap-Ring
Pliers J-6435 ( # 2 6 ) (Fig. 16).
5. Lift Coil and Housing assembly off compressor.
Replace
1. Position coil and housing assembly on compressor
front head casting so that electrical terminals line up with
marks previously scribed on compressor (Fig. 17).
2. Align locating extrusions on coil housing with holes
PULLEY
ASSEMBLY
Fig. 10--Removing Pulley Retainer Ring
1B-5
SNAP RING
PLIERS J -6 4 3 5
( # 2 6 )
RETAINER
RING