Compressor Clutch Coil And /O R Pulley R Im - GMC 1982 Light Duty Truck Service Manual

3. Install Rotor and Bearing Puller Guide J-25031-1 to the front
head and install Rotor and Bearing Puller J-2 5031-2 down
into the rotor until the puller arms engage the recessed edge
of the rotor hub. Hold the Puller and arms in place and
tighten the Puller screw against the Puller Guide to remove
the clutch pulley-rotor and bearing assembly (Figs. 1C1-12
and 1C 1-19), being careful not the drop the Puller Guide.
4. Place the pulley-rotor and bearing assembly on blocks similar
to that shown in Fig. 1C 1-14. Drive the bearing out of the
rotor hub with Rotor Bearing Remove J-9398.
It is not necessary to remove the staking at the rear of the
rotor hub to remove the bearing, however, it will be necessary
to file away the old staked metal for proper clearance for the
new bearing to be installed into the rotor bore or bearing may
be damaged (see Fig. 1C1-15).
Replace
1. Place the pulley rotor and hub assembly face down on a clean,
flat, firm surface.
2. Align the new bearing squarely with the hub bore similar to
that shown in Fig. 1C1-16, and using Pulley and Bearing
Installed J-9481 with Universal Handle J-8092, drive the
bearing fully into the hub. The installer will apply force to
the outer race of the bearing if used as shown.
3. Using a center punch with a 45° angle point, stake 1.1 - 1.4
mm (0.45" - 0.55" deep) the bearing in three places 120° apart
similar to that shown in Fig. 1C1-15.
to avoid distorting the outer race of the bearing.
4. Position the pulley rotor and bearing assembly on the front
head. With Rotor and Bearing installer J-26271 and
Universal Drive Handle J-8092 aligned in position with the
pulley rotor and bearing assembly, Fig. 1C1-20, drive the
assembly onto the front head.
5. Install the retainer ring (Fig. 1C1-11).
R-4 C O M P R E S S O R C L U T C H C O IL A N D / O R
P ULLEY R IM
Do Not
stake too deeply
Remove ■ V Groove Drive
AIR C O N D ITIO N IN G COMPRESSOR O VERHAUL 1C1-7
Fig. 1C 1-19 Removing Clutch Rotor Asm. - Poly
Groove Drive
Fig. 1C 1-20 Installing Rotor & Bearing Assembly, Poly
Groove Type (On Bench)
• If original pulley rim was equipped with an inertia ring, either
bolted or welded on, or if a ring is to be added, refer to
"INERTIA RING INSTALLATION."
1. Perform Steps 1 through 4 of "R-4 Compressor Clutch Rotor
and/or Bearing" Removal procedure but do not loosen or
remove the pulley rim mounting screws until the Clutch
Rotor, Coil and Pulley Rim assembly have been removed
from the Front Head. Be careful not to drop the Puller Guide
J 25031-1 when removing the assembly.
m J-25031-2
G U I D E
J-25031-2
m
R O T O R &
B E A R I N G
P U L L E R
n n
p o l y
G R O O V E
P U L L E Y
R O T O R
2 1 0 7 2 8
r n j -8092
H A N D L E
n r i j-2 6 2 7 1
R O T O R &
B E A R I N G
A S S E M B L Y
I N S T A L L E R
i n P O L Y
G R O O V E
P U L L E Y
R O T O R
2 1 0 7 2 7