Hercules JXD - Page 19

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TM

9–1706

10

ORDNANCE

MAINTENANCE

springs

is

installed

in

the

hub

of

the

driven

plate

to

eliminate

tor

tional

vibration

.

The

clutch

coverplate

contains

the

pressure

plate

,

release

levers

,

lever

yokes

with

tension

springs

,

and

adjusting

nuts

,

and

pressure

springs

and

their

retainers

.

The

release

levers

and

the

lever

yokes

are

supported

on

needle

bearings

.

The

pressure

springs

are

held

in

cups

riveted

onto

the

cover

plate

and

recessed

into

the

pressure

plate

.

Insulator

buttons

are

used

under

the

springs

on

the

pressure

plate

to

insulate

the

springs

from

heat

conducted

to

the

pressure

plate

.

Ball

bearings

packed

with

grease

at

assembly

are

used

on

the

clutch

shaft

for

the

pilot

and

clutch

release

bearings

.

SCREW

,

CAP

-

BCAXICD

WASHER

LOCK

-

BECXIK

MEMBER

.

ASS'Y

LM

-

CM

-

4137

(

SCA

)

LM

-

CM

-

4515

(

SCB

)

M

COVERPLATE

ASSY

.

LM

-

CM

-

4348

RA

PD

3235

FIGURE

1.

–

Clutch

assembly

installed

.

b

.

Functioning

.

–

Depression

of

the

clutch

pedal

moves

the

clutch

pressure

plate

away

from

the

driven

plate

,

which

is

then

disengaged

from

the

engine

flywheel

drive

plate

,

thus

releasing

the

clutch

and

disengaging

the

transmission

from

the

engine

.

This

is

accomplished

by

the

connection

of

levers

from

the

clutch

pedal

to

the

clutch

throw

out

bearing

,

which

is

mounted

on

the

splined

clutch

shaft

and

engages

with

the

pressure

plate

release

levers

that

control

the

move

ment

of

the

plate

.

Engagement

of

the

clutch

is

the

reverse

pro

cedure

.

12