Cadillac 60 Series 1963 Shop Manual page 118

HYDRA-MATIC TRANSMISSION
6-25
2. Inspect dampener springs and plate.
3. Inspect torus cover neck for nicks or burrs.
d, Inspection of Main Coupling Torus
Members and Front Unit Parts
1. Inspect driving and driven torus members
for any type of damage. Check for loose vanes
and for score marks that would indicate rubbing
against flywheel, torus cover, or other torus
member. Look through hubs to check for worn
splines.
2. On driving torus, inspect front unit planet
carrier and planet pinions for damage. Driving
torus assembly must be replaced as a unit if any
part is unserviceable.
3. Remove cotter pin from hub of driven torus
member and remove torus check valve and spring,
Fig. 6-38. Inspect valve for nicks and burrs, and
spring for distortion. Replace spring and valve
and check to see that valve moves freely in its
bore. Install new cotter pin.
4. Check bushing in driven torus hub for ex-
cessive wear and scoring. See Note 20 for bushing
replacement procedure.
5. Inspect front unit sun gear for burred and
scored teeth or splines.
6. Inspect two steel backing washers, needle
bearing, steel selective washer, and bronze thrust
washer for distortion or damage, Fig. 6-20.
7. Inspect front unit internal gear for burred
and scored teeth, or damaged drive lugs.
8. Check bushing in hub of internal gear for
excessive wear. See Note 20 for bushing replace-
ment procedure.
e. Inspection of Transmission Case
1. Thoroughly clean transmission case with
solvent.
2. Blow out all oil passages through case.
Check for restricted, leaking, or interconnected
passages. For references, See Fig. 6-7.
3. Inspect transmission case for cracks.
f. Front Unit Coupling, Fig. 6-39
Disassembly
1. Install front unit coupling assembly in Clutch
Unit Holding Fixture, J-6116, and check to see if
Torus Check Valve Spring
Cotter Pin v \ Torus Check Valve
Fig. 6-38 Torus Check Valve
large snap ring, clutch cover, and driving torus
are marked for proper alignment. If not, mark
each part so that they may be reinstalled in exact
position.
2. Remove large snap ring that holds front unit
coupling cover to front unit torus member.
3. Install Front Unit Coupling Valve Retainers,
J-6122, to hold exhaust valves in position when
removing coupling cover, Fig. 6-40.
4. Attach Front Unit Coupling Cover Remover,
J-6121, Fig. 6-40, and remove coupling cover
from driving torus member. Discard two square
ring seals on cover.
5. When removing center nut on tool, hold lower
part of tool to prevent it from falling.
Driving Torus Assembly
Driven Torus Assembly
Oil Seal Ring! Oil Ring Seal
(Torus Hubs) \ (Coupling Cover to
Driving Torus)
E x h a U s t v d v e
Exhaust
Valve
Spring
Steel Thrust
Backing Washer
Bronze
Thrust
Washer
Oil Seal Ring
(Driven Torus Hub)
Coupling Cover
Oil Seal Rings
(Coupling Cover to
Front Pump)
Snap Ring
(Coupling Cover to
Driving Torus)
Fig. 6-39 Front Unit Coupling Disassembled