GMC 1989 Light Duty Truck Repair Manual page 50

1B2-6 V5 AIR CONDITIONING COMPRESSOR
Figure 11 — Removing the Bearing from the Pulley
Rotor Assembly
33023-A Puller Pilot
J
34992 Com pressor Holding Fixture
J
21352-A Support Block
J
1. Pulley (26) on 21352-A (figure 12).
J
NOTICE: Do n o t su p p o rt the ro to r by restin g the
p u lley rim on a flat su rface d urin g b earing in stal­
lation o r the ro to r face w ill be b ent.
2. Pulley bearing (25) into the hub using
9481 -A and 21352-A (figure 12).
J
33019 in the pulley bore (figure 12).
• J
• Seat the pulley and bearing assem bly on
21352-A to support to the hub under the staking
pin location (figure 13).
• Strike the staking pin with a hammer until a
metal stake, sim ilar to the original, is formed
down to, but not touching the bearing.
— Position the stake pin after striking.
— The staked metal should not contact the
outer race of the bearing to prevent the
possibility of bending the outer race.
— Stake 3 places 120 degrees apart (figure
14).
3. Pulley (26) on the front head.
• Position 33017 and
J
race of the bearing (figure 15).
• Position 8433 on
J
through bolts and washers through the puller
bar slots and thread them into J 34992 (figure
15).
29886,
J J
J
33023-A over the inner
J
33023 and assemble the
J
Figure 12— Installing the Pulley Rotor Bearing
Figure 13— Staking the Pulley Bearing in the
Pulley Bore
— The thread of the through bolts should
engage the full thickness of the compres­
sor holding fixture.
• Tighten the center screw in J 8433 to force the
pulley and bearing assem bly onto the compres­
sor front head (33).
— If J 33017 becomes m isaligned with the
inner race of the bearing, back off J 8433
and relocate center, then continue instal­
lation.
4. Pulley bearing retainer (24) using J 6083 (figure 8).
5. Clutch plate and hub assem bly (22).