1956 AMC Hudson Technical Service Manual Supplement

78 TECHNICAL SERVICE MANUAL
"up" or with internal gear "up" if it was not removed.
Install clutch backing plate with flat surface down if it
was removed. It may be necessary to tap plate into place
with soft hammer (Fig. 75).
rear unit drum and secure with large snap ring (Fig. 77).
1. Rear Clutch Drum 2. Clutch Backing Plate
FIGURE 75—Installing Rear Unit Clutch
Backing Plate
Install rear unit internal gear with mark "up" if the gear
was originally removed. Position gear against clutch backing
plate. Slight tapping with soft hammer may be necessary
(Fig. 76).
FIGURE 77—Installing Output Shaft and Reverse
Drive Flange Snap Ring
Set rear unit assembly into holding fixture J-6116 with
shaft end down. As unit is lowered into fixture, lift up on
drum and remove drive flange retainer J-6120.
CAUTION: Do not lift on output shaft after J-
6120 is removed.
Position thrust washer in counterbore of output shaft and
retain with petrolatum (Fig. 78).
Apply Hydra-Matic oil to faces of the seven drive and
seven driven plates, and alternately install them in rear unit
drum. Start with drive (composition) and finish with driven
(steel). Install all drive plates with same side up. Assemble
driven plates with lugs in rear unit drum slots so that
notches in lugs are all in line (Fig. 79).
FIGURE 76—Installing Rear Unit Internal Gear
Install output shaft and reverse drive flange asembly into
NOTE: Indexing the notches nests the plates together
so that the waves are all in the same
direction (no gaps between plates).
Install main shaft and sun gear assembly into output shaft
in rear unit, meshing sun gear with planet pinions of output
shaft.