GMC 1976 ZEO 6083 Maintenance Manual page 94

REMOVE
Figure 48-Checking Air Gap
PULLEY AND BEARING
ASSEMBLY
1 . Remove clutch plate and hub assembly as de-
scribed in "Compressor Clutch Plate and Hub As-
sembly" Removal procedure .
2. Remove pulley retainer ring using Snap-Ring
Pliers J-6435 (#26), Figure 49 .
3 . Pry out absorbent sleeve retainer, and remove
absorbent sleeve from compressor neck .
4. Place Puller Pilot J-9395 over end of compres-
sor shaft.
Figure 49-Removing Pulley Retainer Ring
AIR CONDITIONING SYSTEM
1- 7 7
Figure 50-Removing Pulley and Bearing Assembly
CAUTION : It is important that Puller Pilot
J-9395 be used to prevent internal damage
to compressor when removing pulley.
Under
no circumstances should Puller be used DI-
RECTLY against drilled end of shaft .
5. Remove Pulley and Bearing Assembly using
Pulley Puller J-8433 (figure 50).
INSPECTION
Check the appearance of the pulley and bearing
assembly . See Figure 45 . The frictional surfaces of
the pulley and bearing assembly should be cleaned
with suitable solvent before reinstallation .
REPLACE
1 . If original pulley and bearing assembly is to be
reinstalled, wipe frictional surface of pulley clean. If
frictional surface of pulley shows any indication of
damage due to overheating, the pulley and bearing
should be replaced .
2. Check bearing for brinelling, excessive loose-
ness, noise, and lubricant leakage. If any of these
conditions exist, bearing should be replaced . See
"Compressor Pulley Bearing" Replacement Proce-
dure .
3. Press or tap pulley and bearing assembly on
neck of compressor until it seats, using Pulley and
Bearing Installer J-9481 with Universal Handle J
8092 (figure 51). The Installer will apply force to
inner race of bearing and prevent damage to bearing.
4. Check pulley for binding or roughness. Pulley
should rotate freely .