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158
A - 2
OPERATION
No.
ID
330-
3 : Ovelhaz&z~
a ,@arbox
ID
19
d)
e)
f)
(See
Pl.
45A,
fig.
1 and
3).
Place
the
2nd
speed
synchro
ring
(208)
g
a ainst
the
reverse
speed
mainshaft
pinion
(34).
Whilst
retaining
the
synchro
ring,
bring
the
reverse
speed
pinion
(202)
against
the
2nd
speed
synchro
ring,
place
the
stop
MR-4420
against
the
pinion
(202)
and
tighten
its
locking
screw.
Slacken
the
locking
screw
(25)
of
the
spindle
(26)
and
push
on
the
stop
MR-4420
in
order
to
bring
the
pinion
(202)
against
the
needle
bearing
cage
(201).
Hold
the
parts
in
this
position.
Place
the
straight
edge
support
1754-T
on
the
front
face
of the
gearbox
casing,
the
contact
on
the
end
of
the
spindle
(26).
Mark
position
of the
needles,then
pull
lightly
on
the
assembly
of the
dial
gauge
and
straight
edge
support
in
order
to bring
the
needles
to the
position
that
they
occupied
in
inset
c).
Count
the
turns
and
fractions
of turns.
For
example:
j = 3. 05 mm.
To
this
dimension
j = 3. 05
mm,
add
0. 30
mm
which
represents
the
clearance
(a)
to
be
obtained
after
assembly,
between
the
2nd
synchro
ring
and
the
reverse
speed
pinion.
Thus,
in
the
example:
3. 05
t 0. 30
= 3. 35
mm.
Select
from
the
thrust
washers
sold
by
our
Spare
Parts
Department,
a thrust
washer
(206)
of this
thickness
or
one
of
the
next
greater
thickness
(see
schedule
1).
In
the
example
given,
use
the
thrust
washer
3.46
mm
thick
(No.
DM
333-80d).
(See
Pl.
45A,
fig.
4).
Slacken
the
locking
screw
of the
stop
MR-4420.
Put
the
locking,pirclip
(205)
in
position
on
the
spindle
(26).
Put
the
reverse
speed
pinion
spindle
(26)
in position
and
tighten
the
locking
screw
(25).
Check
the
setting
of
the
dial
gauge
(as
indicated
in inset
c)).
For
example,
large
needle
on
"0"
and
totalising
needle
between
2 and
3.
Slacken
the
locking
screw
(25)
of
the
spindle
(26).
Using
a screwdriver,
press
the
latter
towards
the
front
so that
the
locking
circlip
(205)
p resses
on the
needle
bearing
cage
(201).
Hold
the
spindle
in
this
position
and
place
the
straight
edge
support
fitted
with
the
dial
gauge
on the
front
face
of
the
gearbox
casing,
with
the
contact
touching
the
end
of
the
spindle
(26).
Set
the
position
of the
dial
gauge
needles,
for
example
:
Large
needle
on 98
-
Small
needle
between
8 and
9.
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