Fiat 411 R - Flexible Coupling between Clutch Shaft and Gearbox; Clutch Components: Specifications, Assembly Clearances and Permissible Wear

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FLEXIBLE

COUPLING

BETWEEN

CLUTCH

SHAFT

AND

GEARBOX

Noisy

transmission.

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Fig.

52.

-

Diagram

of

ﬂexible

tolxpﬁng

for

clutch-gearbox

'

shafts.

CLUTCH

COMPONENTS:

SPECIFICATEONS,

ASSEMBLY

CLEARANCES

Calls

for

the

dismantling

of

the

elastic

coupling

to

check

the

rubber

block

e;‘i‘7ciancy,'

if

blocks

have

excesslve

wear,

replace

them.

When

reassembling

ascertain

the

correct

function-

ing

by

locating

coupling

and

shaft

splines

correctly

according

ihe

drawing

of

Fig.

92,

in

addition

iighien

the

fastening

bolts

of

{he

flanges

to

a

torque

of

2,5

kgm

(18

ff./la).

AN

D

PERM1SS1BLE

WEAR

.

Wear

iimits

I

e

ce

mm

.

Assemby

cl

aran

s

In

mm

m,

Between

wheel

drive

splinad

shaft

and

its

disc

Between

powe:

take-off

clutch

spiined

shaft

and

its

disc

.

,

.

.

.

.

.

. .

.

.

.

.

.

.

.

Between

wheei""drive

shﬁaftvspline

ﬂanks

and

€1exib!ejoim':

collar

.

.

. .

.

.

.

.

.

.

.

.

.

Setween

disengagement

lever

bushes

and

their

glns

. . .

.

. .

._

. . .

.

.

. , . . .

. .

.

Between

shaft

and

ciuich

throw-out

collar

.

0,010

to

0,105

0.0004

to

0.0042

0,013

To

0,115

0.0005

to

0.0045

-0,024

‘£0

-0,072

-0.0809

in

-0.0028

0,613

to

0,064

CLOUDS

to

l3.ﬁG25

0,930

to

0,145

0.8912

to

0.005?

0,35

0,35

0.20

0,30

0,30

0.6138

0.0138

0.0079

0.0113

0.9118

Clutch

driven

disc

thickness

(wheel

drive

and

power

take-off),

complete

whh

friction

fining

B,6

0.3386

T

0.2755

Tightening

torque

for

flexibie

coupling

ﬂange

nuts

(Fig.

92)

. .

.

. . . . . . . .

.

.

.

.

2.5

kgm

18

ft.Ib

Clutch

spring

speciiiazaﬁons

Spring

free

length

. .

.

.

.

.

.

.

. .

.

.

.

.

.

.

.

. . .

.

.

.

.

.

. .

.

.

65.?

mm

(26024

in)

Spring

{ength

under

check

load

. , . .

.

.

. .

. .

, .

. .

.

. . .

.

.

.

.

45.2

mm

(£3795

in)

Check

load

. .

-

. .

. .

.

.

.

.

.

.

.

. .

.

. .

.

. .

.

.

.

112,810

124,6

kg

(248.7

to

2':'4',7

lb)

'

/

_

€'-\-

c..J'.:;

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