Chevrolet 1977 10 Series, Repair Manual, Page: 11 / 468

AIR CONDITIONING
1B-5
KEYWAY IN
SHAFT
HOLDING FIXTURE
J-9396
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 "Com pressor Clutch Plate and H ub Asm." Removal
procedure.
2. Remove pulley and bearing assembly as described
in "Com pressor 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 C LEAN N E W BEA RIN 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.
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 "Com pressor Clutch Plate and H ub Asm." Replacem ent
procedure.
CLUTCH COIL AND HOUSING ASSEMBLY
Remove
1. Remove clutch plate and hub assembly as described
in "Com pressor Clutch Plate and H ub Asm." Removal
procedure.
2. Remove pulley and bearing assembly as described
in "Com pressor Pulley and Bearing Asm." Removal
procedure.
3.
Note position of terminals on coil housing
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 term inals line up with
marks previously scribed on com pressor (Fig. 17).
2. Align locating extrusions on coil housing with holes
Fig. 9 -- C h e ck in g A i r Gap
DRIVE PLATE
INSTALLER
J-9480-01
SPACER
J-9480-2
J-9396
HOLDING
FIXTURE
PULLEY
ASSEMBLY
SNAP RING
PLIERS J - 6 4 3 5
( # 2 6 )
RETAINER
RING
Fig. 8--lnstalling Drive Plate
Fig. 10--Removing Pulley Retainer Ring