1956 AMC Hudson Technical Service Manual Supplement

HYDRA-MATIC TRANSMISSION 71
Remove governor assembly by pulling governor out of
rear pump housing (Fig. 51).
Remove rear pump, gasket, and reverse piston as
an assembly, over output shaft; discard gasket.
NOTE: If necessary, remove two pump cover
attaching screws and insert two slide hammers
(J-6125) and pull pump over shaft.
Remove thrust washer from reverse internal gear. Remove
reverse piston release spring.
Remove internal gear and the reverse clutch release
spring (Fig. 53).
FIGURE 51—Removing Governor from Rear
Pump Assembly
Governor drive key may or may not stay with governor.
Remove breather pipe clamp screw from rear of transmission
case and carefully pry breather pipe out of rear
pump body.
Remove rear bearing snap ring from output shaft.
Remove rear pump locating screw and attaching screw
(Fig. 52).
1. Reverse Internal Gear
2. Reverse Clutch Release Spring
FIGURE 53—Removing Reverse Internal Gear
1. Rear Pump Attaching Screw
2. Rear Pump Locating Screw
FIGURE 52—Rear Pump Attaching and
Locating Screws
Remove reverse planet carrier snap ring.
Remove reverse stationary cone and planet carrier by
pulling the reverse planet carrier assembly out of transmission.
Remove reverse stationary cone key if it did not fall out
of transmission case when stationary cone was removed. If
key sticks, it can be tapped out through hole in bottom of
case.
Remove center support to case snap ring at front of case,
using screw driver (Fig. 54).
Remove case support locking screw on pressure regulator
plug side of transmission case (Fig. 55).
Remove rear unit, neutral clutch, and case center support
assembly by sliding complete assembly out the front of
transmission case.
NOTE: If assembly is tight in case, use J-6125 slide
hammer assemblies with J-6134 adapters (Fig. 56).
Install complete assembly into clutch unit holding fixture
J-6116 positioning output shaft down or drill 2" hole in
bench to hold assembly (Fig. 57).