Chevrolet 1977 Monte Carlo, Repair Manual

Page: 36 / 428

1D-30 AIR CO N D ITIO N IN G COMPRESSOR OVERHAUL
4. If the pulley rim m ounting screws and washers were
rem oved in Step 2, only the Clutch R otor and Bearing
assembly w ill be rem oved for replacement. The Clutch Coil
and H ousing assem bly is pressed onto the Front Head o f
the com pressor with a press fit and will not be removed
unless the pulley rim m ounting screws are left securely in
place and the pulley rim pulls the Coil and H ousing
assem bly o ff with the total Clutch R otor and Pulley Rim
A ssem bly.
5. Place the R otor and Bearing assem bly on blocks as
show n in Figure ID -84. D rive the bearing out o f the rotor
hub with R otor Bearing R em over J-25029. It is not
necessary to rem ove the staking at the rear o f the rotor hub
to remove the bearing (see Figure ID -85).
Replace
1. Place the R otor and Hub assembly face down on a
clean, flat and firm surface.
J-25031-1
ROTOR
BEARING
PULLER GUIDE
PULLEY RIM
SCREW AND
LOCKW ASHER
(6) LOCATIONS
PULLEY RIM
Figure 1D-82 Installing R-4 Rotor and Bearing Puller Guide
2. A lign the new bearing squarely with the hub bore
and using P ulley and Bearing Installer J-9481 with
U niversal H andle J-8092, drive the bearing fully into the
hub (Figure ID -8 6 ). The Installer will apply force to the
outer race o f the bearing.
3. U sin g a center punch w ith a 45° angle point, stake
(0.45 "-.055" deep) the bearing in three places 120° apart as
show n in Figure ID -85, but do not stake too deeply to avoid
distorting the outer race o f the bearing.
4. R E P L A C E R O T O R A N D B E A R IN G
A SSE M B L Y (O N C A R )
NOTICE:
R otor and Bearing assembly rem oval and
installation m ay be com p leted on the car w ithout
"Discharging" the A /C system .
A . Position the R otor and Bearing assem bly on the
front head.
B. W ith R otor and Bearing Installer J-26271 (without
driver handle) in position and R otor and Bearing assembly
aligned with the Front H ead as illustrated, drive the
assembly part way onto the head (Figure ID -87).
J-25031-2
ROTOR AND
BEARING PULLER
J-25031-1
GUIDE
Figure 1D-83 Removing R-4 Clutch Rotor Assembly
Figure 1D-84 R-4 Clutch Rotor Bearing Removal
J 8 09 2
DRIVER
H A N D L E
# J 2 5 0 2 S
R O TO R
B E A R IN G
R E M O V E R