Replace Rotor And Bearing Assembly (On Car) - GMC 1982 Light Duty Truck Service Manual

1C1-4 AIR C O N D ITIO N IN G COM PRESSO R OVERHAUL
shown in Fig. 1C1-15, but do not stake too deeply to avoid
distorting the outer race of the bearing.
4. Replace rotor and bearing assembly.
On Car
A. Position the Rotor and Bearing assembly on the front
head.
B. With Rotor & Bearing Installer J 26271 (without driver
handle) in position and Rotor and Bearing assembly
aligned with the Front Head as shown in (Fig. 1C1-17),
drive the assembly part way onto the head.
C. Plug clutch coil connector onto Clutch Coil.
Fig. 1C 1-4 R-4 Compressor Cross Section
Fig. 1C 1-5 Exploded View of Pulley Groove Pulley Drive
[ T 3 ] S H A F T S E A L
H ~ l C O M P R E S S O R
S H E L L
Q 4 ] S E A L S E A T
[ 2 | T H R U S T A N D
[ i f ] C L U T C H D R I V E
B E L L E V I L L E
W A S H E R
[ l F | R O T O R A N D
I T ! M A I N B E A R I N G -
F R O N T
[ T T J
[T1
C L U T C H C O IL
T E R M I N A L S
m P U L L E Y R IM
[ T f j S E A L S E A T O - R I N G
P H P U L L E Y R IM
Q 9 ] F R O N T H E A D
M T G . S C R E W
[Jo]
[ T 1 P U L L E Y R IM
M T G . S C R E W
[ H J V A L V E P L A T E
L O C K W A S H E R
[ 8 | R O T O R B E A R I N G
[
I 9 I R O T O R B E A R I N G
[ 2 3 ] P IS T O N A S S E M B L Y
R E T A I N E R
[751
[ 2 4 ] M A I N B E A R I N G -
S E A L S E A T
R E T A I N E R
| j T ] S H A F T K E Y
Q 2 ] S H A F T N U T
r n
| 2~| P U L L E Y B E A R I N G
|~3~| P O L Y G R O O V E
[ T ] R E T A I N E R
H I
D. Position the Clutch Coil so the three (3) locating tabs
will align with the holes in the head and continue to
drive the Rotor and Bearing assembly onto the front
head.
E. Install the retainer ring (Fig. 1C1-11).
F. Reassemble the Clutch Plate and Hub with the shaft key
onto the shaft with Installer J 9480-1 until .5 - 1.0mm
(.020" to .040") air gap is obtained.
G. Install shaft lock nut. Torque to 14 N-m (10 lb. ft.).
On Bench
Reassemble the Rotor and Bearing assembly to the front head
of the compressor using Rotor & Bearing Installer J 26271.
With Installer assembled to the Universal Handle J 8092, as
A S S E M B L Y
H U B A S S E M B L Y
C O I L
c l u t c h
A N D H O U S IN G
A S S E M B L Y
V A L V E P L A T E
A S S E M B L Y
R E T A I N E R R IN G
22 ] S H E L L R E T A I N E R
R E A R
S U C T I O N P O R T
25
D I S C H A R G E P O R T
~26
2 1 0 4 7 1
C L U T C H C O I L
P U L L E Y R O T O R
C L U T C H D R I V E
A N D H U B
A S S E M B L Y
[~6~l S H A F T K E Y
[ T ] S H A F T N U T
2 1 0 7 2 9