Cadillac 60 Series 1963 Shop Manual page 128

HYDRA-MATIC TRANSMISSION
6-35
4. Install Dial Indicator, J-8001 with plunger
protruding through small hole in reverse drive
flange and resting on a rivet holding one of the
planet gears.
5. Lift output shaft up and down and note sun
gear end play. This distance should be between
.004 inch - .013 inch.
If distance is more or less than specified, com-
pensate by removing snap ring and reverse drive
flange, and inserting a thrust washer of correct
size to bring end play within specifications, Fig.
6-55.
Selective thrust washers are furnished in fol-
lowing nine thicknesses:
Marking
1
2
3
4
5
6
7
8
9
Thickness
.055 -
.060 -
.065 -
.070 -
.075 -
.080 -
.085 -
.090 -
.095 -
.059
.064
.069
.074
.079
.084
.089
.094
.099
i. Reverse Unit Parts
Disassembly, Fig. 6-61
1. Remove large snap ring that holds reverse
piston release spring and retainer.
2. Remove retainer and wave type release
spring.
3. Lift reverse piston from reverse piston
housing.
4. Remove and discard reverse piston inner
and outer oil seals.
5. Remove bearing-to-housing snap ring and
tap rear bearing out of housing.
Inspection, Figs. 6-61, 6-36
1. Inspect all parts to make sure they are free
from dirt.
2. Inspect reverse piston and piston housing for
burrs, scoring or other damage. Remove burrs,
if present, with fine crocus cloth and light oil.
All damaged parts should be replaced.
3. Inspect all oil seal grooves and be sure they
are clean.
Output Shaft
Overrun Band
Dial Indicator J-8001
Drum Assembly
Dial Indicator
Support J-6126
Fig. 6-60 Checking Rear Unit End Play
4. Inspect reverse internal gear, Fig. 6-36,
for damaged teeth and scored or damaged outside
cone surface.
5. Check bushing in reverse internal gear for
excessive wear or scoring. See Note 20 for bush-
ing replacement procedure.
Spring Release Outer Inner
Retainer Spring Oil Oil
Seal Seal
Rear Bearing
Reverse Piston
Reverse
Piston
Housing
Fig. 6 - 6 1 Reverse Piston Housing
Assembly - Disassembled