Ford COUGAR 1968 Shop Manual page 271

PART 7-3
-
C6
Automatic Transmission 7-83
CONVERTER PRESSURE RELIEF VALVE
- -
. . .
.
.
CHECK
VALVE D 1765-C
FIG.
46-Converter Pressure
Relief
Valve, Throttle
Pressure
Relief
Valve, a n d
2-3
Shift Check Valve Locations
FRONT PUMP
FIG.
47-Removing Front Pump
Seal
shown in Fig. 50. Remove the pres-
sure plate retaining snap ring from
the reverse-high clutch as shown in
Fig. 51.
2. Remove the pressure plate and
the drive and driven clutch plates
(Fig. 52).
3. lnstall
Tool T65L-77515-A
(Fig. 53) on the reverse-high clutch
drum. Make sure that the legs clear
the snap ring enough to permit ex-
panding it enough for removing it.
Remove the snap ring and remove
the tool.
4. Remove the spring retainer and
the piston return springs.
5. Apply air pressure to the piston
apply hole in the clutch hub (Fig.
UMP
D 1 6 3 7 - A
FIG.
48-Installing Front Pump
Seal
54) and remove the piston.
6. Remove the piston outer seal
from the piston and the inner seal
from the clutch drum (Fig. 52).
Asse m
bty
1. Dip the new seals in trans-
mission fluid and install one on the
drum and one on the piston.
2. Install the piston in the clutch
drum.
3. Position
the piston return
springs in the piston sockets. Place
the spring retainer on the springs.
4. lnstall Tool T65L-775 15-A
(Fig. 53) and compress the springs.
Make certain that the spring retainer
is centered while compressing the
springs. lnstall the snap ring. Befoie
releasing the pressure on the tool,
make certain that the snap ring is
positioned inside of the four snap
ring guides on the spring retainer.
5. Dip the clutch plates in clean
transmission fluid. Install the clutch
plates alternately starting with a
steel drive plate and a composition
plate (Fig. 52).
6.
After all clutch plates have
been installed, position the pressure
plate in the clutch drum with the
chamfered side facing up. Install
the pressure plate snap ring.
7. With a feeler gauge, check the
clearance between the pressure plate
and snap ring (Fig. 55).
8. The pressure plate should be
held downward as the clearance is
checked. The clearance should be
0.022-0.036 inch for PGA models, or
0.027-0.043 inch for PGB models. If
the clearance is not within specifica-
tions, selective thickness snap rings
are available in the following thick-
nesses: 0.065-0.069, 0.074-0.078 and
0.083-0.087 inch. Install the correct
size snap ring and recheck the
clearance.
FORWARD CLUTCH
Disassem
bty
1. Remove the clutch pressure
plate retaining snap ring (Fig. 56).
2. Remove the rear pressure plate,
the drive and driven plates and the
forward pressure plate from the
clutch hub (Fig. 57).
3. Remove the snap ring (Fig. 58)
that secures the disc spring in the
clutch cylinder. Remove the disc
spring.
4. Apply air pressure to the clutch
apply passage in the cylinder (Fig.
59) to remove the piston.
5. Remove the seal from the pis-
ton and the seal from the clutch hub
(Fig. 57).
Assem
bty
1. Dip two new seals in trans-
mission fluid. Install the smaller seal
on the clutch hub and the other seal
on the clutch piston.
2. lnstall the clutch piston in the
cylinder.
3. Make sure that the steel pres-
sure ring is in the groove on the pis-
ton. Position the disc spring in the
cylinder with the cowex face down-
ward. lnstall the spring as shown in
Fig. 58. Secure the disc with the
retaining snap ring.
4. lnstall the forward pressure
plate with the flat side up and the
beveled side downward. lnstall first
a composition driven plate and a