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TURBO HYDRA-MATIC 3 5 0 TRANSMISSION
7A3-39
I
FORWARD CLUTCH
DRUMJ
7771
Fig.
7A3-89
Location of Ball Check Exhaust
5. Install forward clutch pressure plate and retaining
ring. Using a feeler gage check clearance between forward
clutch pressure plate and faced plate (Fig. 7A3-92).
The specifications for this transmission call for a
clearance of no less than .O1ln and no greater than .O82".
There are three pressure plates available which are identified
by tangs adjacent to the source identification mark (Fig. 7A3-
93). These three pressure plates have different thicknesses.
If the clearance between the forward clutch pressure
plate and the faced plate checks out to be less than .011", a
thinner pressure plate should be used to give a clearance
between .011" and .082". If the clearance checks out to be
greater than .082", a thicker pressure plate should be used
to give a clearance between .0 1 1
"
and .082". If the clearance
checks out to be between .011" and .082", no change of
pressure plate is necessary.
DISASSEMBLY AND REASSEMBLY OF
SUN GEAR TO DRIVE SHELL
Disassembly of Sun Gear to Drive Shell
1. Remove sun gear to sun gear drive shell rear retaining
ring (Fig. 7A3-94).
2. Remove sun gear to drive shell flat rear thrust washer
(Fig. 7A3-95).
3. Remove front retaining ring from sun gear (Fig. 7A3-
96).
Reassembly of Sun Gear to Drive Shell
1. Install sun gear to drive shell front retaining ring and
install gear into drive shell (Fig. 7A3-96). Use a new ring and
do not overstress when installing.
2. Install sun gear to drive shell flat thrust washer (Fig.
7A3-95).
3. Install sun gear to sun gear drive shell rear retaining
ring (Fig. 7A3-94). Use a new ring and do not overstress when
installing.
DISASSEMBLY AND REASSEMBLY OF
LOW AND REVERSE ROLLER CLUTCH
ASSEMBLY
Disassembly of Low and Reverse Roller Clutch
Assembly (Fig. 7A3-97)
1. Remove low and reverse clutch to sun gear shell thrust
washer.
2. Remove low and reverse overrun clutch inner race.
3. Remove low and reverse roller clutch retaining ring.
4. Remove low and reverse roller clutch assembly and
visually inspect the rollers for wearing and scoring and check
for any springs that may be collapsed.
Reassembly of Low and Reverse Roller Clutch
Assembly
1. Install low and reverse roller clutch assembly to inner
race (Fig. 7A3-98). The inner race should free wheel in the
clockwise direction only.
2. Install low and reverse overrun roller clutch assembly
and inner race into the low and reverse clutch support (Fig.
7A3-99). Assemble with four (4) holes down or to rear of
transmission
3. Install low and reverse clutch to cam retaining ring
(Fig. 7A3- 100).
4. Install low and reverse clutch to sun gear drive shell
thrust washer (Fig. 7A3-97).
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