FORD MUSTANG 1969 Volume One Chassis

07-03-11
FMX Transmission

07
03-11

GOVERNOR
COMPENSATOR

PRESSURE TUBE
MAIN CONTROL

VALVE TUBE

COUNTERWEIGHT

D 1815-A

FIG. 16—Governor Installed

ber to remove all weight from the

housing.

10.
Loosen the parking brake cable

adjustment nut enough to disconnect

the cables from the equalizer.

11.
Remove the extension housing

attaching bolts. Slide the housing off

the output shaft and remove the gas-

ket. When removing
the
extension

housing and/or governor, hold
the

output shaft
and
rear support from

moving rearward
to
prevent
the
needle

bearing
and
race from dropping
out of

location.

12.
Remove the governor to coun-

terweight attaching screws. Lift the

governor from the counterweight (Fig.

16).

13.
Lubricate the governor valve

parts with clean transmission fluid.

Make certain that
the
valve moves

freely
in the
valve body bore.

14.
Position the governor valve

body on the counterweight with the

cover facing toward the front of the

vehicle. Install and tighten the two at-

taching screws to the specified torque.

15.
Position a new extension hous-

ing gasket on the rear of the transmis-

sion case.

16.
Slide the extension housing into

place and secure it to the transmission

case with the attaching bolts. Torque

the bolts to specification. With the ex-

tension housing installed, rotate
the

output shaft.
The
shaft must rotate

freely
by
hand.
If the
shaft
is
tight
or

bound
up, it is
likely that
the
needle

bearing
and
race have dropped
out of

location,
in
which case,
the
transmis-

sion must
be
partially disassembled

and
the
bearing
and
race repositioned.

17.
Connect the speedometer cable

to the extension housing.

18.
Raise the transmission high

enough with a jack to position the en-
FRONT SERVO

FLUID TUBES

PRESSURE

REGULATOR

D 1817-A

FIG. 17—Typical Hydraulic Control System

gine rear support on the crossmember.

Secure the support to the crossmem-

ber with attaching bolt.

19.
Lower the transmission and re-

move the jack. Secure the extension

housing to the rear support with the

two attaching bolts.

20.
Connect the parking brake

cables to the equalizer and adjust the

cables as required.

21.
Install the driveshaft.

22.
Fill the transmission to the cor-

rect level with the specified fluid.

OIL
PAN AND
CONTROL

VALVE BODY REPLACEMENT

1. Raise the vehicle so that the

transmission fluid pan is accessible.

2.
Drain the fluid from the trans-

mission by loosening the pan attach-

ing bolts starting at the rear of the

pan and working toward the front.

When most of the fluid has drained

from the pan, remove the remainder

of the attaching bolts. Remove the

pan and gasket. Discard the gasket. If

the same fluid is to be used again in

the transmission, filter the fluid

through a 100-mesh screen before in-

stalling it in the transmission. Re-use

the fluid only if it is in good condi-

tion.
3.
Disconnect the hose from the

vacuum diaphragm unit. Remove the

diaphragm unit using tool FCO-24.

Do
not use any
tools
on the dia-

phragm housing, such
as
pliers, pipe

wrenches,
etc. Do not
allow solvents

to enter
the
diaphragm unit. Remove

the push rod. Remove the fluid screen

retaining clip and the screen.

4.
Remove the fluid filter retaining

clip and the filter.

5.
Remove the two tubes which

connect to the pressure regulator and

the control valve body (Fig. 17).

6. Loosen the front servo attaching

bolts three turns.

7.
Remove the three control valve

body attaching bolts, and lower the

valve body while pulling it off the

front servo tubes. Be carefull not to

damage
the
valve body
or the
tubes.

8.
Before installing the control

valve body, check for a bent manual

valve by rolling it on a flat surface.

9. Install the control valve body by

aligning the front servo tubes with the

holes in the valve body. Shift the man-

ual lever to the 1 detent, and place the

inner downshift lever between the

downshift lever stop and the downshift

valve.
The
manual valve must engage

the actuating
pin in the
manual detent

lever.

10.
Install but do not tighten, the

control valve body attaching bolts.procarmanuals.com

07-03-12
FMX Transmission
07-03-12

11.
Move the control valve body

toward the center of the case until the

clearance is less than 0.050 inch, be-

tween the manual valve and the act-

uating pin on the manual detent lever.

12.
Torque the attaching bolts to

specification. Be sure that the rear

fluid filter retaining clip is installed

under the valve body bolt as shown in

Figure 17.

13.
Install the tubes to the pressure

regulator and the control valve body.

14.
Turn the manual valve one full

turn in each manual lever detent posi-

tion. If the manual valve binds against

the actuating pin in any detent posi-

tion, loosen the valve body attaching

bolts and move the body away from

the center of the case. Move the valve

body only enough to relieve the bind-

ing. Torque the attaching bolts and

recheck the manual valve for binding.

15.
Position the push rod in the

bore of the vacuum diaphragm unit.

Using the diaphragm unit as a guide,

insert the push rod into the threaded

opening of the case. Torque the dia-

phragm unit to specification. Connect

the vacuum hose.

16.
Torque the front servo attach-

ing bolts to specification.

17.
Adjust the front band. If the

unit is a model PHB-C, D, E, F, G or

H, adjust the rear band at this time.

18.
Install the fluid filter and the

filter retaining clip.

19.
Position a new fluid pan gasket

on the bottom of the transmission

case,
and install the pan. Torque the

pan screws to specification.

20.
Adjust the rear band on

PHB-A and PHD models.

21.
Fill the transmission with fluid.

If
the
fluid that
was
drained from
the

transmission
is to be
used
again,
filter

the fluid through
a
100-mesh screen
as

it
is
poured back into
the
transmis-

sion.
Re-use
the
fluid only
if it is in

good
condition.

22.
If the control valve body was

replaced, adjust the transmission con-

trol linkage.

PRESSURE REGULATOR

REPLACEMENT

1. Drain the fluid from the trans-

mission, and remove the pan and fluid

filter.

2.
Remove the small compensator

pressure tube and the large control

pressure tube from the control valve

body and the pressure regulator.

3.
Remove the pressure regulator

spring retainer, springs, and spacer.

Maintain pressure
on the
retainer
to

prevent
the
springs from flying
out.
4.
Remove the pressure regulator

attaching bolts and washers, and re-

move the regulator.

5.
Position the replacement regula-

tor body on the transmission case and

install the two attaching bolts. Torque

the bolts to specification.

6. Check the converter pressure and

control pressure valves to be sure the

valves operate freely in the bores.

7.
Install the valve springs, spacer,

and retainer.

8. Install the large control pressure

tube,
and the small compensator pres-

sure tube.

9. Install the fluid filter and the

pan, and fill the transmission to the

correct level with the specified fluid.

FRONT SERVO REPLACEMENT

1. Drain the fluid from the trans-

mission, and remove the pan and fluid

filter.

2.
Remove the vacuum diaphragm

unit.

3.
Loosen the three control valve

body attaching bolts.

4.
Remove the attaching bolts from

the front servo (Fig. 17), hold the

strut with the fingers, and remove the

servo.

5.
To install the front servo, posi-

tion the front band forward in the

case with the end of the band facing

downward. Make sure the front servo

anchor pin is in position in the case

web.
Align the large end of the servo

strut with the servo actuating lever,

and align the small end with the band

end.

6. Rotate the band, strut, and servo

to align the anchor end of the band

with the anchor in the case.

Push the servo body onto the con-

trol valve body tubes.

7.
Install the attaching bolts and

torque to specification.

8. Torque the control valve body

attaching bolts to specification.
Check the clearance between the

manual valve and manual lever actuat-

ing pin as given in Oil Pan and Con-

trol Valve Body Replacement.

9. Adjust the front band.

10.
Install the vacuum diaphragm

unit and rod.

11.
Install the fluid filter and pan,

and fill the transmission with fluid.

12.
Adjust the downshift and manu-

al linkage.

REAR SERVO REPLACEMENT

1. Drain the fluid from the trans-

mission, and remove the pan and fluid

filter.

2.
Remove the vacuum diaphragm

unit.

3.
Remove the control valve body

and the two front servo tubes.

4.
Remove the attaching bolts from

the rear servo, hold the actuating and

anchor struts with the fingers, and re-

move the servo. Remove the servo

dowel on PHB models.

5.
To install the rear servo, position

the servo anchor strut on the servo

band, and rotate the band to engage

the strut.

6. Hold the servo anchor strut in

position with the fingers, position the

actuating lever strut, and install the

servo. Insert the servo dowel on PHB

models.

7.
Install the servo attaching bolts,

and torque them to specification. The

longer bolt must
be
installed
in the

inner bolt
hole.

8.
Install the two front servo tubes

and the control valve body.

Check the clearance between the

manual valve and the manual lever

actuating pin as given above in Oil

Pan and Control Valve Body Replace-

ment.

9. Adjust the rear band.

10.
Install the fluid filter and pan,

and fill the transmission with fluid.

Too/~7?75-AB

7oo/-T50T-JOO-A

78—Removing Extension Housing Seal
D 1927-Aprocarmanuals.com

07-03-13
FMX Transmission

07-03-13

EXTENSION HOUSING

BUSHING AND REAR SEAL

REPLACEMENT

1.
Disconnect the drive shaft from

the transmission.

2.
Carefully remove the seal with

the tools shown in Fig. 18.

3.
Remove the bushing as shown in

Fig. 19. Use the bushing remover

carefully so that the spline seal is not

damaged.

4.
When installing a new bushing

use the special tool shown in Fig. 20.

5.
Before installing a new seal, in-

spect the sealing surface of the univer-

sal joint yoke for scores. If scores are

found, replace the yoke.

6. Inspect the counterbore of the

housing for burrs. Polish off all burrs

with crocus cloth.

7.
Install the seal into the housing

with tool shown in Fig. 21. The seal

should be firmly seated in the bore.

PARKING PAWL

REPLACEMENT

1.
On Ford and Meteor vehicles,

loosen the right front scuff plate and

lift the carpet back until the rear band

adjusting stud access hole is accessi-

ble.

Remove the access hole plug and,

with Tool 7195-C or Tool T58L-

7195-A, loosen the adjusting stud lock

nut. Turn the adjusting stud in until

the tool handle overruns. This will

tighten the rear band around the plan-

et carrier and will hold the planet car-

rier and clutch assemblies in position

during the parking pawl repair opera-

tion.

2.
Raise the vehicle and drain the

fluid from the transmission.

3.
Place the adjustable support

stand under the rear of the engine.

4.
Remove the driveshaft.

5.
Disconnect the parking brake

cables from the crossmember and

equalizer bracket.

6. Remove the engine rear

support-to-extension housing bolts.

7.
Remove the bolt that secures the

engine rear support to the crossmemb-

er. Raise the engine with the adjusta-

ble support stand just high enough to

provide clearance for removing the

support.

8. Lower the jack until the exten-

sion housing just clears the crossmem-

ber to remove all weight from the

housing.

9. Disconnect the speedometer

cable from the transmission.

10.
Remove the transmission pan

and fluid filter.

11.
On a Fairlane, Montego,

Mustang or Cougar, loosen the rear
EXTENSION HOUSING

Tool-T57P-7697-A

or 7000-G or AD

D1O25-B

FIG. 79—Removing Extension

Housing Bushing

BUSHING

Tool—T57P-7697-B

7000-HF

EXTENSION HOUSING

D1O26-B

FIG. 20—Installing Extension

Housing Bushing

band adjusting screw lock nut and

tighten the adjusting screw to 24 in-lbs

torque. This will tighten the rear band

around the planet carrier and will hold

the planet carrier and clutch assem-

blies in position during the parking

pawl repair operation.

12.
Remove the vacuum control di-

aphragm unit and control rod.

13.
Remove the main control valve

rear support assembly from the case.

14.
Remove the extension housing

attaching bolts and housing.

15.
Remove the output shaft and

assembly retaining bolts and valve as-

sembly.

16.
Remove the parking pawl pin

from the case with a magnet.

17.
Working from inside of the

case,
drive on the shoulder of the tog-

gle lever (Fig. 52) pin with a small

punch to move the retaining plug part

way out of the case. Remove the plug

with a pair of pliers.

18.
To remove the toggle lever pin,

slide the toggle lever toward tlfe front

of the case. Cock the lever to one side

to apply pressure on the pin, then
move the toggle to the rear of the case

to move the pin outward. Repeat this

procedure until the pin can be re-

moved from the case. Lift the pawl

and toggle from the case as an assem-

bly.

19.
Remove the pawl and toggle

lever as an assembly.

20.
Position the new parking pawl

and link assembly, then install the

toggle lever pin and the plug.

21.
Secure the pawl to the case

with the pawl pin.

22.
Position a new gasket on the

front of the support and at the rear.

Hold them in place with transmission

fluid or vaseline.

23.
Make sure that the thrust wash-

er is in place, then position the sup-

port and output shaft in place making

sure that the pressure tubes are en-

tered in the case.

24.
Secure the extension housing to

the case with the attaching bolts.

25.
Install the main control valve

assembly.

26.
Adjust the front band.

27.
Adjust the rear band on a Fair-

lane,
Montego, Mustang or Cougar.

28.
Position the vacuum control rod

in the case. Install the vacuum dia-

phragm unit.

29.
Install the filter, transmission

pan and a new gasket.

30.
Connect the speedometer cable

to the extension housing.

31.
Raise the transmission high

enough to position the engine rear

support on the crossmember. Secure

the support with the attaching bolt.

32.
Lower the transmission and re-

move the jack. Install the two exten-

sion housing-to-engine rear support

attaching bolts.

33.
Connect the parking brake

cables to the equalizer.

34.
Install the driveshaft, then

lower the vehicle.

35.
On Ford and Meteor vehicles,

adjust the rear band.

36.
Fill the transmission to the cor-

rect level with the specified fluid.

Too/—
T6U-7657-A or 8,

7657-AA, or 7657 AB

EXTENSION HOUSING

REAR SEAL

FIG. 21—Installing Extension Housing Sealprocarmanuals.com

07-03-14
FMX Transmission

07-03-14

REMOVAL AND INSTALLATION

An oil impregnated plastic grommet

is incorporated in the end of the man-

ual shift linkage lever arm on all col-

umn shift vehicles. A special tool

T67P-7341-A is required to install the

grommet in the manual lever, and to

install the manual linkage rod into the

grommet. Refer to Part 7-1, Section

2,
for the grommet replacement pro-

cedures.

TRANSMISSION AND

CONVERTER REPLACEMENT—

FORD-METEOR

REMOVAL

1.
Drive the vehicle on a hoist, but

do not raise at this time.

2.
Remove the two upper bolts and

lock washers which attach the con-

verter housing to the engine.

3.
Raise the vehicle and remove the

cover from the lower front side of the

converter housing. Drain the fluid

from the transmission.

4.
Remove one of the converter

drain plugs. Then rotate the converter

180 degrees and remove the other

plug. Do not attempt to turn the con-

verter with a wrench on the converter

stud nuts. If desired, the converter

may be drained after the unit has been

removed from the vehicle.

5.
Disconnect the fluid filler tube

from the transmission case. Discon-

nect the vacuum hose from the vacu-

um diaphragm unit and the tube from

the extension housing clip.

6. When the fluid has stopped

draining from the transmission and

converter, remove the flywheel to con-

verter nuts and flat washers. Install

the drain plugs in the converter and

torque to specifications. Install the

converter housing front plate to hold

the converter in place when the trans-

mission is removed.

7.
Disconnect the starter cables

from the starter and remove the start-

er.

8. Disconnect the oil cooler lines

from the transmission. Remove the

transmission vent tube.

9. Disconnect the downshift linkage

from the transmission.

10.
Disconnect the selector rod from

the transmission manual lever with

T67P-7341-A.

11.
Disconnect the speedometer

cable from the extension housing, and

remove the driveshaft.
12.
Support the transmission on a

stand. Remove the engine rear support

to transmission bolts, and raise the

transmission slightly to take the

weight off the cross member. Remove

the cross member. Support the rear

part of the engine.

13.
Remove the remaining convert-

er housing to engine attaching bolts.

Move the assembly to the rear and

down to remove it.

INSTALLATION

1.
If the converter has been re-

moved from the converter housing,

carefully position the converter in the

housing, and then install the housing

lower front cover plate to prevent the

converter from slipping out of the

housing.

2.
Install the transmission vent

tube.
Rotate the converter until the

studs adjacent to the drain plugs are

in a vertical position.

3.
Rotate the flywheel as required

to align the drain plug holes with the

drain plugs in the converter. With the

transmission mounted on a support

stand, move the converter and trans-

mission assembly forward into posi-

tion, using care not to damage the fly-

wheel and the converter pilot.

4.
Install the converter lower

housing-to-engine bolts, then torque

the bolts to specification.

5.
Install the cross member.

6. Lower the transmission until the

extension housing rests on the cross

member, and then install the extension

housing-to-cross member bolts.

7.
The converter must rest squarely

against the flywheel. This indicates

that the converter pilot is not binding

in the engine crankshaft.

8. Install the converter attaching

nuts and flat washers. Install the ac-

cess plates.

9. Connect the oil cooler inlet and

outlet lines to the transmission case.

10.
Coat the front universal joint

yoke seal and spline with B8A-

19589-A lubricant, and install the

drive shaft.

11.
Connect the speedometer cable

at the transmission.

12.
Using tool T67P-7341-A install

a new grommet in the manual lever.

Then secure the manual selector rod

to the lever.

13.
Connect the downshift linkage

and bushing at the transmission

throttle lever.
14.
Install the starter motor.

15.
Connect the fluid filter tube to

the transmission case. Connect the

vacuum hose to the vacuum dia-

phragm unit and the tube to its clip.

16.
Lower the transmission support

stand. Then install the upper two con-

verter housing-to-engine bolts and

tighten them to specification.

17.
Lower the vehicle and fill the

transmission with transmission fluid,

following the recommended procedure.

18.
Check the transmission, con-

verter assembly, and fluid cooler lines

for fluid leaks, and then adjust the

manual and downshift linkages.

TRANSMISSION REPLACEMENT

WITHOUT CONVERTER—

FORD-METEOR

The frame construction of the con-

vertible will not permit the transmis-

sion to be moved rearward enough to

clear the turbine shaft from the con-

verter. For this reason, the converter

and transmission must be removed as

a unit from this model.

REMOVAL

1.
Raise the vehicle on a hoist.

2.
Drain the fluid from the trans-

mission.

3.
Disconnect the hose from the

vacuum diaphragm unit and the tube

from its clip. Disconnect the fluid fill-

er tube from the case.

4.
Remove the cover from the lower

front side of the converter housing.

5.
Remove one of the converter

drain plugs. Then rotate the converter

180 degrees and remove the other

plug. Do not attempt to turn the con-

verter with a wrench on the converter

stud nuts.

6. Disconnect the drive shaft from

the rear axle, and remove the drive

shaft.

7.
Disconnect the fluid cooler lines

from the transmission. Remove the

vent tube.

8. Disconnect the downshift linkage

at the transmission.

9. Disconnect the selector rod from

the transmission manual lever with

tool T67P-7341-A.

10.
Disconnect the speedometer

cable at the extension housing.

11.
Remove the two engine rear

support to transmission bolts.

12.
Position a transmission jack

under the transmission and raise it

slightly to take the weight off the

cross member.procarmanuals.com

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procarmanuals.com

07-03-17

FMX Transmission
07-03-17

OUTPUT SHAFT
TUBES

REAR SUPPORT

D 1819-A

FIG. 23 — Rear Support
and

Output Shaft Installed

6. Remove
the
rear support
and

gasket from
the
output shaft. Remove

the needle bearings
and
race from
the

rear support
(Fig.
24).

7.
Remove
the
selective thrust

washer from
the
rear
of the
pinion

carrier.

8. Remove
the
pinion carrier.

9. Remove
the
primary
sun
gear

rear thrust bearing
and
races from
the

pinion carrier.

10.
Note
the
rear band position
for

reference
in
assembly.
The
end of the

band next
to
the
adjusting screw
has
a

depression (dimple)
in the
center
of

the boss. Squeeze
the
ends
of
the
rear

band together, tilt
the
band
to the

rear,
and
remove
the
rear band from

the case.

11.
Remove
the
two
center support

outer bolts
(one
each side) from
the

transmission case.

12.
Exert enough pressure
on the
end
of the
input shaft
to
hold
the

clutch units together. Then remove
the

center support
and the
front
and
rear

clutch assemblies
as a
unit
(Fig.
25).

13.
Install
the
clutch assemblies
in

the bench fixture
(Fig.
26).

FRONT CLUTCH

CYLINDER

REAR CLUTCH

DRUM

FRONT BAND
INPUT SHAFT

D1957-A

FIG. 25—Removing
or
Installing

Input Shaft
and
Clutch

FRONT CLUTCH

CYLINDER
INPUT SHAFT

SECONDARY REAR

SUN GEAR auTCH

DRUM

-77530-A

D1958-A

FIG. 26—Input Shaft
and
Clutch

in Holding Fixture

,
GOVERNOR

GOVERNOR NEEDLE ROLLER

DRIVE BALL BEARING

D 1820-A

FIG. 24—Output Shaft Disassembled
14.
Remove
the
thrust washer from

the front
of the
input shaft.

15.
To
remove
the
front band, posi-

tion
the
band ends between
the
case

webbing
and
tilt
the
bottom
of the

band rearward. Then, squeeze
the

ends
of the
band together
and
remove

from
the
rear
of the
case.

16.
Lift
the
front clutch assembly

from
the
primary
sun
gear shaft.

17.
Remove
the
bronze
and the

steel thrust washers from
the
rear

clutch assembly. Wire
the
thrust

washers together
to
assure correct
in-

stallation.

18.
Remove
the
front clutch seal

rings from
the
primary
sun
gear shaft.

19.
Lift
the
rear clutch assembly

from
the
primary
sun
gear shaft.

20.
Remove
the
rear clutch seal

rings from
the
primary
sun
gear shaft.

Do
not
break
the
seal rings.

21.
Remove
the
primary
sun
gear

front thrust washer.

PARTS REPAIR
AND

REPLACEMENT

During
the
repair
of the sub-

assemblies, certain general instructions

which apply
to all
units
of the
trans-

mission must
be
followed. These
in-

structions
are
given here
to
avoid
un-

necessary repetition.

Handle
all
transmission parts care-

fully
to
avoid nicking
or
burring
the

bearing
or
mating surfaces.

Lubricate
all
internal parts
of the

transmission with transmission fluid

before assembly.
Do
not use any
other

lubricants except
on
gaskets
and

thrust washers which
may be
coated

with vaseline
to
facilitate assembly.

Always install
new
gaskets when
as-

sembling parts
of the
transmission.

Tighten
all
bolts
and
screws
to the

recommended torque.
For
detail

cleaning
and
inspection operations

refer
to
Part
7-1.

REAR BRAKE DRUM

SUPPORT BUSHING

REPLACEMENT

1.
If the
rear brake drum support

bushing
is to be
replaced, press
the

bushing from
the
support
as
shown
in

Fig.
27.

2.
Press
a new
bushing into
the

brake drum support with
the
tool

shown
in
Fig.
27.

OUTPUT SHAFT BUSHING

REPLACEMENT

1.
Remove
the
output shaft bushing

if
it is
worn
or
damaged.
Use the
capeprocarmanuals.com

07-03-18

FMX Transmission
07-03-18

Press
Rom

Handle

Tool - T64L-7003-A4

Tool - T64L.7003.B4

REMOVAL INSTALLATION

FIG. 27—Replacing Rear Brake Drum Support Bushing
D 1751-A

chisel
and cut
along
the
bushing seam

until
the
chisel breaks through
the

bushing wall.
Pry the
loose ends
of

the bushing
up
with
an awl and re-

move
the
bushing.

2.
Insert
a new
bushing into
the in-

stallation tool
and
position
the
tool

and bushing over
the
output shaft
hub.

Then, press
the
bushing
on the
output

shaft
hub as
shown
in Fig. 28.

Press
Ram

Tool - T64L-7003.A7

FIG. 28—Installing Output Shaft

Bushing

PRIMARY
SUN
GEAR SHAFT

1.
Position
the
primary
sun
gear

shaft
in the
clutch bench fixture.

2.
Check
the fit of the
seal rings
in

their respective bores.
If
equipped

with cast iron seal rings,
a
clearance

of 0.002-0.009 inch should exist
be-

tween
the
ends
of the
rings.

If equipped with teflon seals that

are worn
or
damaged,
cut the
seals
from
the
shaft with
a
sharp knife.
Be

careful
not to
score
the
ring grooves.

3.
Replace
the
teflon seals with cast

iron seal rings,
and
check
for
free

movement
in the
groove.

REAR CLUTCH

1.
Remove
the
clutch pressure plate

snap ring,
and
remove
the
pressure

plate from
the
drum. Remove
the

waved cushion spring. Remove
the

composition
and
steel plates.

2.
Compress
the
spring with
the

tools shown
in Fig. 29 and
remove
the

snap ring.

3.
Guide
the
spring retainer while

releasing
the
pressure
to
prevent
the

retainer from locking
in the
snap ring

grooves.

4.
Position
the
primary
sun
gear

shaft
in the
rear clutch. Place
an air

hose nozzle
in one of the
holes
in the

shaft,
and
place
one
finger over
the

other hole. Then force
the
clutch
pis-
ton
out of the
clutch drum with
air

pressure. Hold
one
hand over
the pis-

ton
to
prevent damage.

5.
Remove
the
inner
and
outer seal

rings from
the
clutch piston.

6. Remove
the
rear clutch
sun
gear

bushing
if it is
worn
or
damaged.
Use

the cape chisel
(Fig. 31) and cut
along

the bushing seam until
the
chisel

breaks through
the
bushing wall.
Pry

the loose ends
of the
bushing
up
with

an
awl and
remove
the
bushing.

7.
Press
a new
bushing into
the
rear

clutch
sun
gear with
the
tool shown
in

Fig.
32.

8. Install
new
inner
and
outer seal

rings
on the
piston.

9.
To
install
the
piston
in the
clutch

drum, lubricate
the
piston seals
and

tools
(Fig. 30)
with clean transmission

fluid.

10.
Push
the
small fixture down

over
the
cylinder
hub.

11.
Insert
the
piston into
the
large

fixture with
the
seal toward
the
thin-

walled
end.

12.
Hold
the
piston
and
large

fixture
and
insert
as a
unit into
the

cylinder. Push down over
the
small

fixture until
the
large tool stops

Too/-

T68P-7D758-A

REAR CLUTCH

DRUM

D2038-A

FIG.
30—
Installing
Rear Clutch

Piston

Too/-T65L-77575-A

REAR CLUTCH

DRUM
D 1592-A

FIG. 29—Removing Rear Clutch Spring Snap Ringprocarmanuals.com

07-03-19

FMX Transmission
07-03-19

Cape Chisel

FIG. 31—Removing Rear Clutch

Sun Gear Bushing

against the shoulder in the cylinder;

then push the piston down, out of the

tool, until it bottoms in the cylinder.

Remove the tools.

13.
Install the clutch release spring,

and position the retainer on the

spring.

14.
Install the tool on the spring re-

tainer as shown in Fig. 29. Compress

the clutch spring, and install the snap

ring. While compressing the spring,

guide the retainer to avoid interference

of the retainer with the snap ring

groove. Make sure the snap ring is

fully seated in the groove. When new

composition clutch plates are used,

soak the plates in automatic transmis-

sion fluid for 15 minutes before they

are assembled.

15.
Install a steel clutch plate and

the waved cushion spring. Then, in-

stall steel and friction plates alternate-

ly starting with a steel plate.

Tool -
T64L-7003-A3
OR Tool -
T64L-7003-A4

• *'£- ' •

jRflg. >...•...!• Hondle

D 1747-A

FIG. 32—Installing Rear Clutch

Sun Gear Bushing
16.
Install the clutch pressure plate

with the bearing surface down. Then

install the clutch pressure plate snap

ring. Make sure the snap ring is fullv

seated in the groove,

17.
Check the free pack clearance

between the pressure plate and the

snap ring with a feeler gauge. The

clearance should be O.O3O-O.O55 inch.

If the clearance is not within specifi-

cations, select? 5 snap rings are avail-

able in the following thicknesses:

0.060-0.064, 0.074-0.078, 0.088-0.092

and 0.102-0.106 inch. Insert the cor-

rect size snap ring and recheck the

clearance.

18.
Install the thrust washer on the

primary sun gear shaft. Lubricate all

parts with automatic transmission

fluid or petroleum jelly. Install the

two center seal rings.

19.
Install the rear clutch on the

primary sun gear shaft. Be sure all of

the needles are in the hub if the unit is

equipped with loose needle bearings.

Assemble two seal rings in the front

grooves.

20.
Install the steel and the bronze

thrust washers on the front of the sec-

ondary sun gear assembly. If the steel

washer is chamfered, place the cham-

fered side down.

FRONT CLUTCH

1.
Remove the clutch cover snap

ring with a screwdriver, and remove

the input shaft from the clutch drum.

2.
Remove the thrust washer from

the thrust surface of the clutch hub.

Insert one finger in the clutch hub,

and lift the hub straight up to remove

the hub from the clutch drum.

3.
Remove the composition and the

steel clutch plates, and then remove

the pressure plate from the clutch

drum.

4.
Place the front clutch spring

compressor on the release spring, po-

sition the clutch drum on the bed of

an arbor press, and compress the re-

lease spring with the arbor press until

the release spring snap ring can be re-

moved (Fig. 33).

5.
Remove the clutch release spring

from the clutch drum.

6. Install the special nozzle shown

in Fig. 34 on an air hose. Place the

nozzle against the clutch apply hole in

the front clutch housing, and force the

piston out of the housing.

7.
Remove the piston inner seal

from the clutch housing. Remove the

piston outer seal from the groove in

the piston.

8. Remove the input shaft bushing

if it is worn or damaged. Use the cape
FRONT

CLUTCH

CYLINDER

D 2049-A

FIG. 33—Removing or Installing

Front Clutch Snap Ring

chisel and cut along the bushing seam

until the chisel breaks through the

bushing wall. Pry the loose ends of

the bushing up with an awl and re-

move the bushing.

9. Slip a new bushing over the end

of the installation tool and position

the tool and bushing to the bushing

hole.
Then, press the bushing into the

input shaft as shown in Fig. 35.

10.
Lubricate all parts with trans-

mission fluid. Install a new piston

inner seal ring in the clutch cylinder.

Install a new piston outer seal in the

groove in the piston.

11.
Install the piston in the clutch

housing. Make sure the steel bearing

ring is in place on the piston.

12.
Position the release spring in

the clutch cylinder with the concave

side up. Place the release spring com-

pressor on the spring, and compress

the spring with an arbor press. Then

PISTON APPLY

HOLE

PISTON

Air

Nozzle
ool-7000-DD

D1959-A

FIG. 34—Removing Front Clutch

Pistonprocarmanuals.com

07-03-20
FMX Transmission
07-03-20

Handle

Tool - T64L-7003-A6

D 1752-A

FIG. 35—Installing Input Shaft

Bushing

install the snap ring as shown in Fig.

33.
Make sure the snap ring is fully

seated in the groove. .

13.
Install the front clutch housing

on the primary sun gear shaft by ro-

tating the clutch units to mesh the

rear clutch plates with the serrations

on the clutch hub. Do not break the

seal rings.

14.
Install the clutch hub in the

clutch cylinder with the deep counter-

bor down (Fig. 36). Install the thrust

washer on the clutch hub.

15.
Install the pressure plate in the

clutch cylinder with the bearing sur-

face up (Fig. 37). Install the composi-

tion and the steel clutch plates alter-

nately, starting with a composition

plate (Fig. 38). Lubricate the plates as

they are installed.

HUB
PRESSURE PLATE

D1O45-A

FIG. 37—Installing Pressure Plate

D1961-A

FIG. 38—Installing Clutch Plates

BUSHING ^.^^ DRIVE GEAR

D 1047-B

39—Front Pump Disassembled
The final friction plate to be in-

stalled is selective. Install the thickest

plate that will be a minimum of 0.010

inch below input shaft shoulder in cyl-

inder. For all other plates, use the

thinnest available. Refer to the Speci-

fications Section for available plate

thickness.

16.
Install the turbine shaft in the

clutch cylinder, and then install the

snap ring. Make sure the snap ring is

fully seated in the groove.

17.
Install the thrust washer on the

turbine shaft.

FRONT PUMP

1.
Remove the stator support at-

taching screws and remove the stator

support. Mark the top surface of the

pump driven gear with Prussian blue

to assure correct assembly. Do not

scratch the pump gears.

2.
Remove the drive and driven

gears from the pump body.

3.
Refer to Fig. 39 for a disas-

sembled view of the front pump. In-

spect the pump body housing, gear

pockets and crescent for scores.

4.
If the pump housing bushing is

to be replaced, press the bushing from

the front housing with the tools shown

in Fig. 40.

5.
Press a new bushing into the

pump housing with the handle and

tool shown in Fig. 40.

6. If any parts other than the stator

support or bushings are found defec-

tive,
replace the pump as a unit.

Minor burrs and scores may be re-

moved with crocus cloth. The stator

support is serviced separately.

7.
Bolt the front pump to the trans-

mission case with capscrews.

D1960-A

/:/G.
36—Installing Clutch Hub
REMOVAL
INSTALLATION
D 1748-A

4Q—Replacing Front Pump Housing Bushingprocarmanuals.com