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TURBO HYDRA-MATIC 4 0 0 AUTOMATIC TRANSMISSION
7A4-7 1
Fig.
7A4-176
Installing Electrical Connector
REAR SERVO ASSEMBLY
Install
1. Before installing rear servo, check band apply (Servo)
pin, using Pin and Fixture J 21370-5 and 6 as follows (Fig.
7A4- 178):
Fig.
7A4-178
Checking For Proper Band Apply Pin
a. Attach Pin J 21370-6 and Fixture J 21370-5 to
transmission case (lever pivot pin to rear), with rear servo
cover attaching screws.
NOTE: Attach tool attaching screws finger tight and
check freeness of selective pin. Torque attaching screws
to 15 ft. lbs. and recheck pin to make certain it does not
bind.
Fig.
7A4-177
Connecting Leads to Connector
b. Apply 25 lb. ft. torque and select proper band apply
(servo) pin to be used from scale on tool.
c. Remove tool and make note of proper pin to be used
during assembly of transmission.
There are three selective pins identified as follows:
(1) If both steps are below the gage surface, the long pin,
identified by 3 rings, should be used. (2) If the gage surface
is between the steps, the medium pin, identified by 2 rings,
should be used. (3) If both steps are above the gage surface,
the short pin, identified by 1 ring, should be used.
Identification ring is located on band lug end of servo
pin. If it is found that a new pin is required, install it in rear
servo (see REAR SERVO
-
DISASSEMBLY AND
ASSEMBLY).
2. Install rear accumulator spring into case (Fig. 7A4-
179).
3. Lubricate and install rear servo assembly into case
(Fig. 7A4- 180).
4. Install rear servo gasket and cover (Fig. 7A4-181).
5. Install attaching screws. Torque bolts to 18 lb. ft.
CONTROL VALVE ASSEMBLY,
GOVERNOR PIPES AND
GOVERNOR SCREEN ASSEMBLY
Install
1. Install governor pipes into control valve assembly.
Governor pipes are interchangeable.
2. Install governor screen assembly, open end first, into
the governor feed pipe hole in the case (hole nearest center
of transmission
-
Fig. 7A4-182).
NOTE: If transmission is in car, before installing the
control valve assembly and governor pipes as outlined
in Step 3 below, insert the governor screen (closed end
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