Table of Contents
Advertisement
Finally, fit the
seal
ring
..
A
.. in
fig, 296
(OR
type), the
spacer ..
B
.. in
fig. 296 (it must not
rotate freely
on
the shall) the
seeger ring, spa·
cer
stop,
"C
..
In
fig
.
296
onto
the layshafl,
pay
attention
that
the seal
ring
"
C .. is
properly
seated on
the
layshafl,
then
fit the piece
,,0
..
in
fig.
296 and
bottom
..
E
..
in
fig.
296.
RE·FITTING OF THE CLUTCH HOUSING
Before re-fittlng the
clutch
housing
"M.. In
fig.
282, remember to fit
the seal
ring
..
L
..
(OR
type) fig
.
282
on
the
shaft
and
screw in
the nut
"
N
..
in
fig. 282.
To
lock
this nut use tool
18911850 (59 in
fig.
297) and
special tool 14927600
(30 in
fig. 297).
RE-FITTING OF THE CLUTCH ASS,Y
Fit the
springs"
A
..
in
fig.
298
into
their
seats
on
the clutch
housing,
the shims
..
B
"
in
fig.
298 on
their
seats on
the
spring
pusher
plate (pay attention
that these
shims
do nol
fall
down when fitting the spring pusher plate
"
C
..
fig
.
298 onto
the clutch housing;
it
will be
useful to
slightly
grease them before entering
their seats on
the clutch housing)
.
Fit
the
bearing "A
..
in fig
.
299,
the bushing
..
B
.. in
fig. 299,
the
clutch
rod
..
C
.. in
fig.
299
into the seat on
the spring pusher
plate,
then
screw In
the nut
on
the rod,
cover
side, to
suf·
ficiently
compress
the
springs,
thus allowing
the fitting
of
the
clutch
plates
onto
the
clutch
housing.
Set one shaft
with plate holder
..
A
.. in
lig.
300
n. 182458 50 on
the spring
pusher plate
(the
holder
centralizes
the
plates).
Fit the
clutch
plates
starting
with
an externally
toothed
friction
plate,
then
fit an
internally toothed metal
plate
and
so
until the
last externally
toothed
disc
with no friction material; then fit
the
ring
se-
curing the
clutch
plates
in its seat
on the clutch
housing.
This type of clutch
consists
of:
-
n. 6 friction plates
(Ferodo)
externally
loat-
hed
"
B
"
in fig. 300;
-
n.
5 melal plates
internally
toothed
..
C"
in
fig.
300;
-
n. 1
melal plate
externally
toothed
..
0"
In
fig.
300 for
the securing ring;
-
n. 1 ring
securing
the
clutch
plate ass.y
on
the clutch
housing
..
E
..
In
fig
. 300.
At
this
slage,
it Is
necessary to undo the nut
"
A
"
in
fig.
301
and
fit Ihe
clutch
control
lever
..
B
"
in
fig.
301 with
cap
..
C
..
in
fig
.
301 on
the
cover,
using
the
fixing
pin
..
0
..
in
fig.
301
and clrcllp
01
E
..
In
fig.
301;
remember to
fit the
spring
..
F
"
In
fig.
301 Into
the
seat on the
housing
and onto
the lever lang
.
ADJUSTING
THE CLUTCH LEVER
(fig.
301)
Screw in
the nut
..
A
..
on
the
clutch control
rod,
holding
the rod fast
by
means
of tool
5590 04
00;
the clearance between
the
cable
adju ster holder
..
H
"
and
the
inner seat of the
control cable end
..
I" must
be
:
-
33 mm on a
new
engine;
-
30 mm on a
used
engine.
RE·FITTING OF THE
GEARBOX HOUSING
ONTO THE ENGINE·CONVERTER
ASS.Y
(fig.
302)
When
fitling the gearbox housing onto the
en·
gine-converter
ass.y,
it is encessary to pay at·
tention
to the position of
the
bu shing
..
A_
;
the bushing notched
side must
face
the
can·
verter.
Fit the
gearbox housing on the
crank-
case stud
bolts,
lock the
nuts
using the proper
tool. then lit the
starter
motor
on
the
crankcase
cover.
INSPECTION AND
CHECKING
CLUTCH PLATES
The
friction
plates
(Ferodo) have a
thickness
of
mm
3
,15
+
3,35
;
replace them
if thickness
is mm 0,5 lower.
The
Internally
toothed plates must be quite
even
and
without damage or
scoring
,
otherwise
replace
them.
CLUTCH SPRINGS
(fig.
79)
Check
the trueness
of
the
springs.
The
spring
free length
is
mm 27,970
-;-
28,000.
A
spring
compression 10 20 mm gives a
load
of
Kg
21,0
-;-
21
,5
(45-47
Ibs).
A
spring compression
to
17
mm
gives
a
load
of
Kg 28,7
+
29,7
(63-65
Ibs).
Should these
speCifications not be found
.
reo
place the
springs.
CLUTCH PRESSURE ROO
Ensure that the rod
is
straight
and check
the
trueness
of
the
thread
holding the
adjuster
;
if
the
thread
is in any
way
damaged,
replace
it.
MAIN
SHAFT
Check
the trueness
of
the
gear
teeth;
if too
worn,
replace the
gears.
CLUTCH SHAFT
Check Ihe trueness
of
gear
and shaft
teeth,
if
too worn
, replace.
LAYSHAFT
(see
Drwg.
303)
Check the
trueness of
the teeth where the
sleeve
is
sliding; If
too worn, replace the
shaft.
(21
of
the
shaft
where
the
low
and drive speed
gear bushings
are
working
:
mm
27,960
+
27,927.
LOW AND DRIVE SPEED GEARS
(see
Drwg.
303)
Check
the
trueness of the gear teeth
;
if they
are
too worn
,
replace the
gears
:
-
inner
0
01
gears (bushing
seat)
:
mm
32,000
+
32,039.
LOW AND
DRIVE
SPEED
GEAR BUSH INGS
(see
Orwg.
303)
Ensure thai
Ihe
bushings are not scored or
damaged,
otherwise
replace
them:
bushing
outer
0
:
mm
32,000;
-
bush ing
Inner
(21:
mm
28,000
+
28,033.
143
Hide quick links:
Advertisement
Table of Contents
