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ID
19
OPERATION
No.
ID
330- 1 ~Replucement of the gearbox
Op.ID
330-l
143
T
17
Remove
the
clutch
housing
fixing
screws
(spanner
1677-T,
see
P1.54,
fig.4,
and
spanner
2431-T,
see
Pl.61,
fig.
1)
Disconnect
the
gearbox
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REFITTING
18
Place
the
support
fixture
1799-T
on
the
gearbox
(see
P1.42)
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . .
. . . .
Make
sure
that
the
gearbox
locating
dowels
are
in
position
on
the
engine
Place
the
paper
gasket
(52)
(see
Pl.
l),
after
applying
Hermetic
to it,
on the
crankcase,
in
the
area
below
the
oil
thrower.
6
Align
the
gearbox
with
the
engine.
Engage
the
clutch
shaft
splines
in
the
clutch
disc,
rotating
the
shaft
by
means
of
the
starting
handle,
and
if necessary
also
rotate
the
drive
pulley
in
order
to
facilitate
engagement
of the
splines
Insert
the
gearbox
fixing
screws
(spanner
1677-T,
see
P1.54,
fig.4,
and
spanner
2431-T,
see
Pl.61,
fig.
1)
.
. . .
19
20
Fit
and
align
the
drive
pulley
(see
Op.ID
231-4).
21
Remove
support
fixture
1799-T
from
the
gearbox
and
place
the
crossmember
on
the
gearbox
brackets.
Connect
the
adjustment
rods
(6)
to
the
yokes
(7)
of
the
brake
units
(see
Pl.
99
for
position).
Place
the
crossmember
on
its
supports,
tighten
the
fixing
screws
and
turn
down
the
locking
devices.
Lower
the
engine
and
gearbox
assembly
until
the
crossmember
just
rests
on the
sidemembers.
Withdraw
chain
sling
1697-T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fit
the
shim
or
shims,
found
during
the
dismantling
operation,
between
the
crossmember
and
the
sidemembers.
Tighten
the
screws
securing
the
crossmember
to
the
sidemembers
(plain
and
spring
washers
under
the
heads)
. . .
22
To
adjust
the
height
of
the
brake
units
(see
P1.99):
Adjust
the
length
of
the
rods
(6)
until
the
front
of
the
linings
stands
slightly
proud
of
the
disc
(about
1 mm).
Tighten
the
adjusting
nut
(9)
of
the
brake
connecting
cable
(1)
until
the
control
levers
(2
and
5) are
at the
maximum
distance
from
the
eccentric
stop
(8).
Lock
the
locknut
(10).
Push
the
short
lever
(4)
with
a
screwdriver
and
attach
the
mechanical
brake
control
cable
(3).
23
Connect
the
feed
pipe
to the
left
hand
brake
(spanner
2221-T,
see
Pl.
61,
fig.
3).
Secure
the
connecting
tube
clamp
to the
water
pump
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , _ . . . . . . . . . . . . . . . . . . . . .
24
Connect
the
flexible
couplings
(Bibax)
to
the
gearbox
driving
plate.
Make
sure
that
the
locating
dowels
are
in
position
in
their
housing
in
the
flexible
couplings.
Tighten
the
screws
to
18
ft.lbs
(2.5
m.kg)
. . . . . . . .
.
.
. . . . . . . . . . .
. .
.
TOOLS
Spanners
1677-T
and
2431-T
Support
fixture
1799-T
Spanners
1677
and
2431-T,
Support
I'ixture
1799-T
14 mm
box
spanner
14 mm
box
spanner
Spanner
2221-T
12 mm
spanner
12 mm
socket
with
extension
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