Cadillac 60 Series 1963 Shop Manual page 124

HYDRA-MATIC TRANSMISSION
6-31
Snap Ring
Reverse Drive Flange
Output Shaft Assembly
Clutch Backing Plate
Thrust Bearing /
R e a r U n i f D r u m
Spiral Ring
Main Shaft
Snap Ring
Selective Thrust Washer
Retainer
/
Rear Internal Gear
Thrust Washer
Steel Backing
Washer
15° Chamfer Toward
Front of Transmission
Rear Clutch Plates
Rear Sun Gear
S n a
P
R i n
9
Rear Clutch Hub
Intermediate Shaft
Fig. 6-53 Rear Unit Assembly - Disassembled
25. Remove reverse drive flange from output
shaft, Fig. 6-53.
26. Remove selective bronze thrust washer.
Washer should remain with reverse drive flange.
27. Mark rear unit internal gear and rear unit
drum to indicate proper side and position for re-
assembly and remove rear unit internal gear
from drum.
Inspection
1. Inspect neutral clutch piston for scores or
burrs. Be sure oil seal groove is thoroughly
clean.
2. Inspect oil seal rings on center bearing
support and be sure all grooves are clean.
3. Inspect center bearing support for burrs.
4. Check bushing in center bearing support for
excessive wear. See Note 20 for bushing replace-
ment procedure.
5. Inspect five composition-faced neutral clutch
drive plates for damaged surfaces and worn teeth.
Plates should be flat. If flakes of facing material
can be removed by scratching surface with thumb
nail, plate should be replaced. Discoloration is
not an indication of failure.
plates for scored surfaces and damage. Driven
plates must have six equally spaced waves. Waves
must be .008 inch to .012 inch high when measured
on a surface plate.
7. Inspect neutral clutch drum for scored and
damaged surfaces.
8. Inspect five wave type release springs for
distortion.
9. Inspect rear sprag retainer for scored or
damaged surfaces.
Reverse Sun Gear
Reverse Drive Flange
Snap Ring
Rear Drum
6. Inspect four steel neutral clutch driven
Fig. 6-54 Removing Reverse Drive Flange Snap Ring