Cadillac 60 Series 1963 Shop Manual page 125

6-32 HYDRA-MATIC TRANSMISSION
Selective Thrust Washer
Reverse Drive Flange
Fig.^ 6-55 Installing Selective Thrust Washer
10. Inspect rear sprag assembly for damage,
broken spring or scored sprags. If faulty, entire
assembly must be replaced.
11. Inspect neutral clutch hub for damaged
splines. Check sprag surface for nicks or burrs.
12. Inspect rear clutch cover for scoring,
burrs, or damaged lugs and oil seal grooves.
Check bushing on hub of clutch cover for exces-
sive wear. See Note 20 for bushing replacement
procedure.
13. Inspect rear unit clutch piston for scoring,
burrs, or damaged oil seal grooves.
14. Inspect eight rear clutch release springs
for distortion or collapsed coils. Slight wear
"bright spots" on side of release springs indi-
cating slight contact with piston assembly are
permissible.
Reverse
Flange
J-6120
Drive
Retainer
i
ML.
.
Snap Ring
/ Reverse
x
. ^ ^ Sun Gear
Rear Unit Drum
Fig. 6-56 Installing Drive Flange Retainer
15. Inspect rear clutch release spring retainer
for cracks or damage.
16. Inspect rear unit clutch cover-to-rear
clutch hub bronze thrust washer for wear, scores,
burrs, damage from overheating.
17. Inspect intermediate shaft for wear, twisted
splines and burrs.
18. Inspect rear clutch hub for damaged splines.
19. Inspect rear unit sun gear-to-rear clutch
hub bronze thrust washer for wear, scores, burrs,
damage from overheating.
20. Inspect mainshaft and rear unit sun gear
for damaged splines, teeth or bearing surfaces.
21. Inspect seven rear unit composition-faced
clutch drive plates for damaged surfaces. Plates
should be flat. If flakes of facing material can be
removed by scratching surface with thumb nail,
plates should be replaced. Discoloration is not an
indication of failure.
22. Inspect seven rear unit clutch steel driven
plates for scored surfaces and damaged lugs.
Driven plates must have six equally spaced waves.
The waves must be .008 inch to .012 inch high
when measured on a surface plate.
23. Inspect rear unit drum for scoring or
cracks.
24. Inspect rear unit internal gear for tooth
damage.
25. Inspect rear unit sun gear-to-output shaft
needle bearing surfaces.
26. Inspect output shaft for damaged pinions,
splines or bearing surfaces.
27. Inspect reverse drive flange and sun gear.
Check bushing in sun gear for excessive wear.
See Note 20 for bushing replacement procedure.
NOTE: Reverse drive flange and sun gear
are serviced as an assembly. The parts should
not be separated.
28. Inspect overrun band lining for burned,
glazed, worn, cracked or loose lining.
29. Inspect anchor end of band for broken welds
or worn socket.
Assembly
1. Install rear unit internal gear in rear unit
drum with the 15° chamfer on drive lugs of gear
facing front of transmission, insert Fig. 6-53.