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TRANSMISSION

ASSEMBLIES

CLUTCH

The

master

clutch

assembly

composed

oi two

dry,

single-plate

clutches,

one

for

the

tractor

transmission

drive

and

the

other

for

the

power-take-off

drive.

The

unit

controlled

one

single

pedal

which,

during

the

first

part

its

travel,

disengeges

ihe

main

clutch

(transmission)

and

the

following

one,

the

power-take-off,

but

only

when

this

attachment

directly

driven

the

engine

(independent

powewtake-oh).

The

three

diagranns

Fig.

illustrate,

respectively:

the

clutch

engaged;

ii)

the

main

clutch

disengaged;

clutch

completely

disengaged.

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imlli

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1""

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2'2/f

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Fig.

82.

Clutch

functional

diagram.

engaged

clutch.

main

clutch.

disengaged.

clutch,

completely

disengaged.

Power

take-off

dm-en

plate

Gearbox

driven

plate

Lever

points.

D‘

Maul?

.;m'~

é:

.>‘

Removal

and

stripping

clutch.

Removing

the

clutch

assembly

from

tractor:

Paris

removed.

Operations

and

cauiions.

The

batteries.

The

exhaust

pine.

The

engine,

with

the

front

axle

(Fig.

83}.

Disconnect

the

following

components:

‘

»~—

the

hydraulic

pump

oil

lines,

the

steering

shaft

lever

longitudinal

iie~rod,

the

board‘

from

the

bailery

support

and

this

support

from

the

gearbox

case,

the

accelerator

pedal

ﬁfe-rod

from

the

transmission

shaft;

the

electric

cables

central

connection;

~»—

firf

two‘

wooden

wedges

the

froni

axle,

attach

the

engine

assembly

lift

and

place

the

gear-

box

case

stand;

¢—

remove

the

screws

assembling

the

engine

the

gearbox

and

facilitate

{he

removal

acfuatlng

the

clutch

pedal.

Noﬁe.

pull

the

ﬂywheel

inner

pllol

bearing

use

fool

619827.

Fig.

B3.

Removal

engine,

with

front

axle.

‘in

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Si’

clutch

device

“I'HOE3fA

Fig.

85.

Fro

view

tie-rod

and

oriemaiion

Fig.

‘i

"pp

elastic

pins

Disengagemeni

{ever

adjustment

nuts

Elastic

pins

Lever

pivots

Forks

Fork

adiusﬁng

nuis.

Stripping

ciuirchz

Inspection

clutch

dismantled

parts.

(See

the

last

ﬁgure

for

references).

Mount

ciuich

fixfure

711063

ﬁxture

711063_lA,

remove

the

elastic

pins

(1,

Fig.

84)

and

push

out

the

disengagement

lever

pivot

pins

(2).

siackening

the

siua‘

boffs

fasiening

the

cluich

£0

ﬁxture,

a1!

parts

become

free.

the

clevises

(3)

must

removed

urzscrew

them

from

the

pressure

plate

after

slackening

the

adjusting

nuis

(4).

Check

the

oiutch

components

follows.

according

the

data

fable

page

S7:

check

condition

friction

linings

and

metai

surfaces

contacting

them;

necessary

smooth

them.

I‘

surface

brushing

are

the

rings

are

soaked

with

oii,

replace

them,

washing

Q0150

insufficient;

-—

check

cléarance

between

the

clutch

driven

disk

hub

teeth

and

splined

shaﬁs;

-—

check

the

throvwout

bearing,

and

the

clutch

shaft

piiot

bearing,

located

the

ﬂywheei;

‘

1-La.»

~‘;';;,-“i.

_=,\~:"

J:-,

“.5

V-I

“

‘

».__

._‘

:._.

*3‘

Fig.

as.

Ciuich,

exploded

view.

[

check

ciearance

between

bushes

and

disengagement

lever

pins;

check

piate

spring

characteristics;

check

the

throw-out

coiiar

working

siiding

surface.

wear

does

not

exceed

the

permissible

iimiis.

the

shaft

can

mounted

again

after

rotating

‘i8G°;

necessary

replace

the

parts

when

grease

drips

due

excessive

clearance.

‘

Assembling

and

adiusting

the

cluich.

1_;_,i;,;i¢a1§Qn_

Smear

iighiiy

the

foiiowing

oomponenis

before

assembling

using

quaiity

chassis

grease:

—

the

clutch

disengagement

lever

pivots,

the

cievis

ends

confaciing

the

disengagement

fevers

(3.

Fig.

34),

the

c1uZcn~gearb-ox

and

the

clutch

power

iaise-off

shaft

splines,

the

baii

ends

push

levers

(P,

Fig.

88),

the

ciei/is

fever

ends

where

confaciing

the

disengagement

collar;

addition

service

the

bearing

housing

engine

fiywneei.

.-.-

,....._.._

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Cluich

section.

Fig.

83.

Clutch

piaie

centering

with

reference

points

}

Assembling

the

ciutch

components.

easiiy

performed

foiiowfng

Figs.

and

caring

that

the

ciuich-gearbox

piate

centered

with

reference

the

caps

and

that

the

eiasific

pins

are

oriented

shown

Fig.

35.

Clutch

assembly

£0

performed

ﬁxture

711063,

using

the

side

marked

with

the

tractor

number.

For

clutch

adjustment

noi

necessary

place

upon

the

ﬁxture

'I11i}63

the

power

take-off

disc,

which

remains

outside

the

assernbiy,

and

subsu-

iuted

ring

(Fig.

89)

superposed

ﬁxture

Ciutch

adiustment.

:§

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Ctutch

adjustments

should

made

follows:

.-s

v__,,

/____

adjustment

the

complanarily

0;’

the

clutch

Q’

disengagement

three

lever

ends.

The

adjustment

1,1

made

according

the

Fig.

:'.e.,

checking,

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.1;-.§A‘;:jg,_I-"=1‘,’E;'_7‘_'T;-':.t_,__

_k_

.,;:_:‘i;;5;-_;;i~":g;‘=j

‘-"-

L‘%€:.:-l‘:‘§-‘:2£:|:§E‘£)hI-7‘

"“'"‘-+-=~

'—---\—*""“'.'I

-r

'.'l.'-57!

'=-;.=€r'-'3-""'.irr‘"‘

-"-"ﬁ'-‘*~*.-

‘-PE-.":".»:»§rv'

'_=-

-“

‘

..=

:»1~“’

V;-¢

.»§:4_A':w.».¢--s

!_‘£v__°1;i_-é,;_:.‘-_‘:‘,___H=‘=‘_-

7‘-

*'=:¢

K1’

.3‘_|.§_-¥3’k,'§j;1;::‘;‘>’-.':|?:;,:'_P

-‘

Y-:11;

.~_'r1ﬁ'i1_1==~.5.';i@»:r~

1er..1F4;glhr-

:_'_wﬂ

Fig.

89.

Clutch

adjusiment

using

fixture

711863

5,6,1»-I

Fixture

cornpcnenis

Spacer

bearing

No.

used

also

for

other

wheel

types

belonging

ﬁhe

series

490.

Clutch

contro!

adiusirneni.

Assembiy

clutch

engine.

,.;;,_

1.5

+.2

B“

-~,~r-E-J:-¥l~.n

PS5

/‘\

»_~~

\_______,,_.,..----—--'

Fig.

Q0.

Clutch

adjustmeni

engine,

using

ioul

11'£ﬁ63,

complete.

Clearance

€,5-2

(0.059!-0.078‘?

in.).

‘

using

feeler

gauge,

that

between

the

lever

ends

and

the

checking

elements

laid

upon

the

spacer

there

max

clearance

0,1

(0.0039”);

different

clearance

requires

unscrew

the

fastening

nut

and

adjusting

the

proper

screw.

Mote.

lfclutch

installed

fixture

'l1‘l063lA.

the

adjustment

may

made

after

the

assembly

the

tractsr,

using

ﬁxture

117683

provided

with

suitable

flange

(Fig.

96).

in->

Adjust

the

clearance

(E,

Fig,

QB}

the

power

lake~off

pressure

plate

clevis.

Check

that

clear-

ance

1.5

(0.059'l"'

0.0787"),

and

different,

unscrew

the

loclmui

and

screw

unscrew

the

sleeve.

The

clearance

adjustment

may

also

made

when

the

clutch

mounted

the

tractor

through

the

gearbox

side

cover.

The

free

travel

the

clutch

pedal

M19843"

7.37190"

Plate

wear,

however,

decreases

ﬁne

free

travel.

Unscrew

the

pedal

lie-rod

clevis

much

n€cessa1'y

reestablish

the

value.

The

centering

oflhe

assembly

the

engine

ﬂywheel

facilitated

using

ﬁxture

117083

(Fig.

91)

that

may

also

used

for

the

disengagement

levers

adjustment,

when

tilted

with

the

proper

plate

(Fig.

90).

§>‘_‘{~

lg;

Fig.

Bi.

Mounting

clutch

engine

using

tool

‘.1'l0ﬁ3.

_r"

‘—"

“"”"'

~'—*--=-'--=1<—:-W»:-.-1-1'5.-I

FLEXIBLE

COUPLING

BETWEEN

CLUTCH

SHAFT

AND

GEARBOX

Noisy

transmission.

.-_,_

.'.'_".-_v‘_

“

‘~

'1’

1~'-.1

--4

':'-}>?=,_-2"-‘--.*-3:

'-‘-

3.1,».-_

‘.J"i]:;vPﬂ_—

.,__.

7,21

._‘,-¥=,_¢~_§.

:_-»

..,.“\

1.--=.3~-.:~‘.i~i-'_'

“

.-}{:_'E>.\;':k;;_-'fy-__‘-

_l1:¢

.-".1

-:-

..-T

-_~

n_._-:

.*‘

\‘

~:»-_-

.~z='_:

‘

‘._.

___.r

Riff

-$5

1‘.

.L|-

~_—

ina

—

mun

\n1~*_$\_“-“-

II;

AW“-‘l-’“*'

1':-fill-5.‘-I

5-J-'1.-'I‘.=‘---,

V’

....-.

~....,,_.,.---~-K.’

"*':‘.>3",-'4'.E-Z"'.':'-‘J

1'2.

“

"Q;

/1;?

..~..

-:~E-‘--

"'-_.

~’3‘:':E';'.€'

>:‘l§;"

'_'?.1‘:

""-‘lhw

’

_.M/W

H11

"III

,/%'%_\;f;1._‘3

,,,;.:.»~

,=;'.'.'.-

QT‘

"-7

“Ti”

‘

1'.-2'-'

,_;-:\::-

Fig.

52.

Diagram

ﬂexible

tolxpﬁng

for

clutch-gearbox

shafts.

CLUTCH

COMPONENTS:

SPECIFICATEONS,

ASSEMBLY

CLEARANCES

Calls

for

the

dismantling

the

elastic

coupling

check

the

rubber

block

e;‘i‘7ciancy,'

blocks

have

excesslve

wear,

replace

them.

When

reassembling

ascertain

the

correct

function-

ing

locating

coupling

and

shaft

splines

correctly

according

ihe

drawing

Fig.

92,

addition

iighien

the

fastening

bolts

{he

flanges

torque

2,5

kgm

(18

ff./la).

PERM1SS1BLE

WEAR

Wear

iimits

Assemby

aran

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

0,105

0.0004

0.0042

0,013

0,115

0.0005

0.0045

-0,024

‘£0

-0,072

-0.0809

-0.0028

0,613

0,064

CLOUDS

l3.ﬁG25

0,930

0,145

0.8912

0.005?

0,35

0.20

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

0.2755

Tightening

torque

for

flexibie

coupling

ﬂange

nuts

(Fig.

92)

. .

. . . . . . . .

2.5

kgm

ft.Ib

Clutch

spring

speciiiazaﬁons

Spring

free

length

. .

...

. .

65.?

(26024

in)

Spring

{ength

under

check

load

. , . .

. .

, .

. .

. . .

45.2

(£3795

in)

Check

load

. .

112,810

124,6

(248.7

2':'4',7

lb)

€'-\-

c..J'.:;

-‘w

‘

/"ifs.

’

_‘

l...-J»

ll.

Elva‘,

4/IL

».._’_

Léw

in’

:1"/.

-4

;

LIE

-I

;

K’

_=_

_,.>

“'4

1.4

-as

Iii

'25?

2'3

§§

1:3‘

1155

2‘?-;

£2”

}

1:-»_

§._.,

GEARBOX

AND

EPECYCLKC

REDUCTION

GEAR

Dismantling

Stripping

components.

Remove

the

gearbox

from

tractor

toilows:

Pgrts

disassembled.

The

engine,

with

its

from

axle.

The

steering

box.

The

two

foot-boards,

the

rear

temps

cable

and

the

dutch

disengagement

tie-rods.

Operations

and

cautions.

the

sequence

described

page

for

the

main

clutch

removal.

the

tractor

provided

with

oil

lines

rﬁihning

from

the

hydraufic

pump

the

lift,

remove

them.

The

stripping

gearbox

components

’§aci§itaied

instaiiing

the

rotary

stand

ARR

2284

(Fig.

93).

The

centrai

clutch

shaft

and

the

throw-out

collar.

The

gearbox

and

the

epicyciic

reduction

gear

shifter

rods.

"-.:—--.

Remove

the

two

screws

fastening

the

clutch

throw-

out

collar

.5UppOI"i

the

gearbox,

and

remove

together

with

the

engine

clutch

shaft

and

the

fie-xI'bie

coupling.

Remove

the

gearbox

cover

with

the

shift

lever;

remove

the

shifter

forks,

after

puliing

the

fastening

pins,

beginning

from

the

central

rod

(2,

Fig.

95);

siide

out

the

reduction

gear

control

sleeve

with

shifter

forks

and

rods;

take

away

the

springs

{Section

C-C,

ﬁg.

108)

and

the

detent

balls.

=i»a

:\‘\

o...-..

'./-'~

";;£

Q"/ZS

3'?‘

";’

t'*i'?"

51?

*:,..T1‘,"

“L;

.I"-"**¢"-‘.'_'<f"""",“9""

.41;

;__;,;1.

Q4.

Removal

gearbox

casing

from

tractor.

Fig.

93.

Gearbox

casing

mounted

rotary

stand

ARR

2204.

£1

Fig.

95.

Upper

view

gearbox

control

gears

and

shifter

forks.

Shifter

forks

for

1st,

4th

gears

and

reverse

Epicyclic

reduction

gear

control

fork

Shili

fork

controlling

2nd

and

5th,

3rd

and

Sih

gears.

Primary

shalt.

Reverse

gear

and

its

shaft.

Secondary

shaft.

-04-.

Fig.

96.

Disassembly

primary

shaft.

(Arrows

show

the

wooden

wedge

and

lhe

punch).

Note.

When

also

{he

secondary

shaft

disassembled,

engage

lwo

gears

order

unscrew

the

fronf

end

fasrfening

nut.

Take

away

the

primary

shaft

front

cover

and

remove

the

shafé

hammering

rear

end.

Prevenl

the

rear

bearing

from

coming

off

together

with

the

shaft

placing

w0oo’en

wedge

shown

Fig.

98.

necessary

pull

out

the

hearing

also

using

punch

9613703.

Remove

the

slop

and

slide

out

the

shaft

together

wifh

ihe

gear.

Should

fhe

shall‘

removal

offer

some

dlﬁiculty,

apply

screw

the

threaded

hole

the

axle.

Remove

bush

from

gear

using

the

punch

928251.

Remove

ihe

epicycllc

reducllon

unit

and

fhe

gearbox

wall

lnner

thrust

disc;

slide

out

the

secondary

shafl

with

bronze

punch

hammering

its

front

end.

Checking

the

stripped

out

components

the

gearbox

and

epicyclic

reduction

gear.

Check

gearbox

and

eplcycllc

reduction

gear

components

against

speciﬁcations

page

63.

Neither

gear

teeth

nor

chamfered

surfaces

should

damaged.

Check

the

teeth

mating

gears

are

working

the

whole

face

length,

and

the

surfaces

are

smooth

and

free

from

signs

scoring

hammering.

The

sliding

gear

hub

internal

splines

should

free

from

marks

wear

seizing,

and

ali

splines

should

have

their

corners

without

signs

hammering.

The

splined

primary

shaft

should

absolutely

free

from

pitting

scoring.

especially

gear

sliding

sur-

faces.

Slide

the

gears

the

shaft

and

check

for

clearance

between

the

gear

guide

flanks

and

the

cor-

responding

shaft

spline

flanks.

.&f:A§;?¢‘I.“

‘I

~':

I-_T‘V‘V

lb’?

=:~

_»

—-

-""

:_.'"""

<-__._.___

‘

‘gal

<,_

‘B

I7‘

‘Q

£1

€*_.T...'3?l

llllll

lllli

Fig.

9'1.

Gearbox

and

epicyciic

reduction

gear

parts.

Clutch~ge-arbox

coupling

Cover

gasket

Primafy

shaft

from

bearing

1st

speed

and

4th

speed

gear

2nd and

5th,

3rd

and

5th

speed

gears

Primary

shaft

rear

bearing

Reverse

gear

mounted

...;._;,;

its

shaft

Secondary

shaft

bearing

retainer

ring

Secondary

‘“"

‘l

§i:.,_W.;;..,c%-:

shat?

front

bearing

19.

1st

and

4th

speed

driven

gear

1?.

Srd

and

5;=e?;i;"~:

6th

speed

and

reverse

driven

gear

12.

2nd

and

5th

speed

driven

gear

13.

Secondary

she'll

rear

bearing

14.

Thrust

ring

-15.

Epicyclic

reduc-

e__

lion

fixed

gear

16.

Thrust

outer

plate

17.

Epicyciic

reduction

driven

®/

gears

-18.

Shim

rings

-19.

Reduction

gear

engagement

sleeve-

20.

Driver.

gear

shims

21.

Stop

ring

for

pivots

22.

Driven

gear

axle

rollers.

Note:

Starting

from

chassis

No.

#27935

helical

teeth

have

been

super-

seded

straight

teeth.

The

reverse

shaft

should

smooth

and

without

scoring;

the

permissible

clearance

between

the

hush

titted

the

gear

and

its

shaft

excess

the

wear

limits,

replace

both

bush

and

shah.

The

bail

bearings

should

perfectly

smooth

operation,

without

clatter.

The

epicyclical

reduction

driven

gears

roller

bearings

and

those

for

the

bevel

pinion

shaft

should

have

assembly

clearance

not

exceeding

the

value

listed

page

and

the

surfaces

mating

such

components

should

not

damaged

any

way.

The

gear

control

forks

should

checked

for

deformation

and

hardening

characteristics

the

working

surfaces.

They

should

slide

freely

with

shifter

rods

the

box

guide

holes.

Replace

gaskets

whenever

worn

damaged.

The

epicyclicai

reduction

gear

thrust

rings

should

checked

and

presenting

signs

wear

should

replaced.

gearbox

major

overhaul,

remove

the

control

lever

sector

plate,

located

under

the

cover

(Fig.

98),

order

check

its

components

efficiency,

especially

the

ratchet

(3)

and

the

control

lever

dowels

£1},

which

are

subject

wear.

.<_j

‘»‘~_

'=‘}'1“‘“

‘sq,

1-.

_.,

,__._

.,,‘;.,,.-_'

"~_

—_-.:_=...-;-;.;~'1F'~*--""“

-‘:2

l5:'f-.i’.'¢~.=."I"

—~‘

‘A

1-i.-re:"‘$

‘/-§.f‘“‘—‘L'1'!5§->‘!7*7T\'3’

J»,

'%:*:

“.1-2*

f"f

_;::_-,

,'-',,_;_i,1.-.'-'.<¢f=‘-.1’

1,~;._,;=

1...-:1

lg,

»‘.;~;-

_r;J;.'§z_;:~§/:

;.-‘Y.

v_=.-.1‘.

‘;i:,M<.;."_--

,_~.>

-?;;,.=—

-‘-.§1iﬁF1:'=.‘:'.7i

1'-.

'Ji~'-"~=“:.--'.:'§=-

""_'=_.‘u,

_;;~,.

=:_..<:".s~

-..-‘

‘—

's._“r;,.;-,.‘%~_...._,.'-r."{';'_.~';.»;

€

»~3_:E\E_§§_

'3?

-._.=_

-‘gl;—,‘;"-_f—f

- -

-1

."i.\l':'v~;-?"".‘;':':'L'}‘

-T-ivf’

6»;

‘*"»._~%_e;j;_e-;-‘-Id.*¢*=.~.~':I-21

3,-1.';:’:u'=,="i'.

.-if

5‘

‘§:‘r.;:.-'=,3“;.;-3;.

;-...=_,~."'

1--K-_=~‘e_.~~

7-2;‘:

='""-"."--

’

1»;-:.'.

u..~

:53.

.<-4

.<.

..»_.‘_-_V_e.~,_;,

..,;_.\~

'7"—"

<l‘j

1"-1?‘

j.~.__..--

¢;;_,-

-_.

"__

-133.

_-_'§_

r‘.'é.."§‘

‘

.i,~.-.:~

~-;'.'.="'

:'¢.=-

-'~§--:1.;.;-

.5-'

;_':¢,i<;;,*:_-‘,Y_/.-I

fucjw.

M.’/'_.j_;_::-;;___:_‘-,:‘J._N."..

-.1?.»?%zLh-1'

-".5"

_,,,,.";‘-7"lz,r'~*.

"-.5

.'£._v.l-‘V’,-,'.»

‘."-’$T~=i'

-;.-':"i':>*'i5

11¢”-5';:o';--_-=.§¢""'""'

Fig.

93.

Gear

shift

lever.

Fig.

99.

Assembling

epicyclic

reducﬁon

gear

gearbox

secondary

shaft.

Control

lever

doweis

Sector

plate

fastening

screws

Primary

shaft

rear

bearing

14.

Shim

Reverse

Bea,-

Gear

selector

pivot

ratchet.

shaft

Shim

pin,

‘l

e..__

.-R--m...-.-.-R-»-~.-»~..,-.

~.-.,“-..-._.-

Inhaltsverzeichnis

Andere Fiat Traktor Handbücher

Fiat

Fiat 411 Rb Bedienungsanleitung

Beliebte Traktor Handbücher anderer Marken

Ariens

Ariens 936051 Bedienungsanleitung

MacDon

MacDon M150 Bedienungsanleitung

Belarus

Belarus 3522.5 Bedienungsanleitung

CARRARO

CARRARO Vigneto Bedienungsanleitung

Cub Cadet

Cub Cadet 3208 Bedienungsanleitung

GREMO

GREMO 1250F Gebrauchsanweisung

HATTAT

HATTAT A90 Bedienungsanleitung

Kubota

Kubota WSM STV32 Gebrauchsanweisung

Kubota

Kubota M108DC Bedienungsanleitung

AL-KO

AL-KO Heritage RS 14/82 Bedienungsanleitung

Webb

Webb WE1742SD Bedienungsanleitung

MacDon

MacDon 9250 Bedienungsanleitung

Toro

Toro 03200 Reelmaster 3100-D Bedienungsanleitung

MASSEY FERGUSON

MASSEY FERGUSON 5400 Series Bedienungsanleitung

Kubota

Kubota T1880 Bedienungsanleitung

Iseki

Iseki TXG23 Bedienungsanleitung

Toro

Toro 25429 Bedienungsanleitung

New Holland

New Holland T4.80V Bedienungsanleitung