GMC C Series 1993, Repair Manual

Page: 25 / 264

HR6-HE AIR CONDITIONING COMPRESSOR 1D2-5
Fig. 6 Installing-Removing Pulley Rotor & Bearing Assembly
Retaining Ring - •
Fig. 7 Installing Pulley Rotor/Bearing Puller Guide
□ J 33020 (LESS
FORCING SCREW)
INVERTED AND
USED TO SUPPORT
HUB OF ROTOR
FOR BEARING
REMOVAL. PULLER
TANGS ENGAGED
IN ROTOR SLOTS.
[7] PULLEY ROTOR
"FACEDOWN"
HFI J 9398-A BEARING
REMOVER
0 J 29886 DRIVER
HANDLE
G6013 0 -1 D2-C-R1
Fig. 9 Pulley Rotor Bearing Removal
3. Install pulley rotor and bearing puller guide J 33023-A
to the front head (Fig. 7) and install j 33020 pulley rotor
and bearing puller down into the inner circle of slots in
the rotor. Turn the J 33020 puller clockwise in the slots in
the rotor (Fig. 8).
4. Hold the J 33020 puller in place and tighten the puller
screw against the puller guide to remove the pulley rotor
and bearing assembly.
5. To prevent damage to the pulley rotor during bearing
removal the rotor hub must be properly supported.
Remove the forcing screw from J 33020 puller and, with
the puller tangs still engaged in the rotor slots, invert the
, , assembly Onto a solid flat, surface or blocks as shown in
Figure 9.
6. . Drive the bearing'out of the rotor hub with rotor bearing
remover J 9398-A and J 29886 universal handle (Fig. 9).
NOTICE:
It is not necessary to remove the staking in
front of the bearing to remove the bearing, however, it
will be necessary to file away the old stake metal for
.proper clearance for the new bearing to be installed into
the rotor bore or the bearing may be damaged.