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ID
19
31A
31B
OPERATION
No.
ID
330-3
:
Overhazding
a gearbox
Op.
ID
330-3
158
A - 3
Let
the
dial
gauge
return
slowly
to its
set
position
(large
needle
on
"O",
small
needle
between
2 and
3),
by
counting
the
turns
and
fractions
of
turns,
for
example:
5.98.
From
this
value,
subtract
the
thickness
of the
thrust
washer
determined
in
inset
e).
Therefore
in
the
example
:
5.98
- 3.46
= 2.52
mm.
From
this
value,
subtract
0. 10 mm,
which
represents
the
clearance
(b)
to
be
obtained
after
assembly,
between
the
adjusting
washer
(207)
and
the
locking
circlip
(205)
(see
fig.
1).
In
the
example
:
2.52
- 0.10
= 2.42
mm.
Select
from
the
washers
sold
by
our
Spare
Parts
Department,
the
adjusting
washer
(207)
of
this
thickness
or
one
of
the
next
smaller
thickness
(see
schedule
II).
In the
example,
use
the
adjusting
washer
2. 20 mm
thick
(No.
DM
333-74f).
IMPORTANT
NOTE
:
The assembly of the intermediate
train (para. 29) and the 1st speed fork (para. 30) are carried out after the assembly of the reverse speed pinion
(paragraphs
31A
and
31B).
To
assemble
the
reverse
speed
sliding
pinion
(see
Pl.
45A,
fig.
3).
a)
Remove
the
locking
circlip
(205)
from
the
spindle
(26).
Using
a screwdriver,
press
the
spindle
towards
the
front
and
successively
disengage
the
stop
MR-4420,
reverse
speed
sliding
pinion
(202)
and
the
needle
bearing
cage
(201).
b)
Engage
the
spindle
(26)
in the
front
bearing,
positioned
so that
the
hole
for
the
locking
screw
is
located
towards
the
front.
Fit
successively
on
the
spindle
(26),
the
adjusting
washer
(206)
(the
flat
located
towards
the
interior
of
the
box),
the
needle
bearing
cage
(201),
(note
the
direction
of
assembly),
the
adjusting
washer
(207),
the
reverse
speed
sliding
pinion
(202).
Fit
the
locking
circlip
(205)
in
position,
Tighten
the
pointed
screw
(25)
and
its
locknut
(24)
(see
Pl.
45,
fig.
2).
a)
Remove
the
cap
(6)
from
the
front
bearing
(18)
of
the
mainshaft,
do
not
mislay
the
adjusting
washers
(8).
Remove
the
front
bearing
(18)
(see
PI.
43).
Disengage
the
circlips
(14),
the
shim
(15),
the
rear
bearing
(16)
and
the
pinion
(17)
from
the
mainshaft
(see
Pl.
44,
fig.
1).
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