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3. Unscrew the nine bol.ts fastening
the
cover.
4.
Inst
all the
pin
of
the clutch release lever and
r-un a
soft cord
throug.h it.
Holding
the cover by the cord,
drive
out the prima·ry and
secondary
shafts with light
taps.
Remore
the
cover, When
doing
this, take care to keep the
gasket
intact.
Remove
the
~>everse
idle
gear.
Take off the
reverse
gear
with the fork
from
the
t
s econdary
shaft.
5.
Extract
the starting
mechanism
shaft assembly
an
d remov-e
the
spring, gears and
washers
f.
r om the intermediate
shaft.
6.
Remove
the fork shaft from
the
hole
in
the
casing
(!Without
extracti
ng
it
from
the
forks).
7. Take
the forks with the
shaft
t
out of the slots
of
the gearshift
disk.
8.
Fit
the elastic coupling disk on the secondary shaft and secure
it with a nut.
9.
By
lightly tapping the nose of the primary shaft
and
the
ela-
stic coupling disk,
drive
out the
shaft
with the forks f.rom the ca-
sing.
10. Pull
back the lock slightly
and remove
the
gearshift
disk
from its
axle.
11.
Extract the pawl
spindle,
the pawl and spring.
12. Remove
the
covter
pin and
unscrew
the nut securing
the
crank-cam, take off the crank-cam
from
the splines of
the
shifter
shaft
and extract the shifter shaft.
13. Remove
the reverse lever handle and take
the
pin
an'd lever
out
of the case.
Assembling
1.
Install
the gearshift
mechanism.
2.
Install
the primary shaft assembly in
the
casing in such a way
that
its front bearing
sinks halfway
into
the casing seat.
3.
Insert
the
.
g earshift forks
into
the slots of the gearshift sleeve
of
the secondary
shaft,
pass the fork shaft
throu
gh
them
and
install
the
secondary sh
aft
in the casing. Slightly tapping
the shaft with a
soft
metal hammer, drive
the
shaft
into
the casing,
ensuring
that the
gear
crowns
of
the primary and
the
secondary
shafts are
properly
aligned,
drive the
shafts
into the casings as far
as
they
will go. In-
sert
the forks into
the
slots of
the
gearshifts disk,
and
introduce
the
fork shaft into the
casing.
Further assembla.ge does not involve
any
difficulty
and
is
carried
out in a sequence
reverse
to
that
of
dismantlin-g.
Main
Drive
The
main
drive
comp.rises the cardan
drive
and the reducer with
a pair
of
bevel gears (of the
ma
in
drive).
The cardan drive consists of
three
basic components:
an elastic
coupling, propeller
shaft
and
univers al
joint
assembly.
The universal
4.8
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