1956 AMC Hudson Technical Service Manual Supplement

HYDRA-MATIC TRANSMISSION 75
Remove rear clutch cylinder and sprag assembly by
lifting over intermediate shaft (Fig. 65).
NOTE: Intermediate shaft and clutch hub may be
disassembled if parts replacement is necessary.
Remove clutch hub front thrust washer from clutch hub.
Remove the main shaft assembly and rear unit sun gear
from rear unit and the clutch hub thrust washer from sun
gear.
NOTE: Main shaft and rear unit sun gear may be
disassembled if parts replacement is necessary.
Remove the seven steel clutch plates and seven composition
plates.
Remove bronze thrust washer from rear unit carrier.
Remove rear unit drum and output shaft assembly from
holding fixture J-6116 and set on bench with output shaft
end up.
Remove large snap ring holding reverse drive flange to
rear unit drum. Lift output shaft and reverse drive flange
assembly out of rear unit drum (Fig. 67).
FIGURE 65—Removing Rear Clutch Cylinder and
Sprag Assembly
Remove intermediate shaft and clutch hub, together with
neutral clutch hub washer from rear unit assembly (Fig. 66).
FIGURE 67—Removing Snap Ring from
Rear Unit Drum
FIGURE 66—Removing Intermediate Shaft and
Clutch Hub
If parts replacement is necessary, mark internal gear so
it can be replaced with same side up. Then remove internal
gear and rear unit clutch backing plate from rear unit drum
assembly together by tapping backing plate with soft hammer.
Remove reverse planet carrier locating snap ring from
output -shaft. Remove reverse drive flange and sun gear
assembly from output shaft and remove selective washer
from reverse drive flange assembly or output shaft (Fig. 68).
Remove spiral snap ring from rear unit sprag inner race.
Using a small needle nose pliers or small screwdriver, insert