Datsun 1000 Workshop Manual page 69

BAU
u
OTRl N G
N
T
T
19
VI
Manual Tran
mi ion
1
l
i
Oyd
SHIMS
CIRCLIP
Exploded
View of
Input
Shaft
Components
which
should
be used
if available Alternative
v
if
the tool is
not
available
the
Plastigage method
can
be used
as
follows
20 Ensure that the
citc1ip
is
correctly
located in the
bearing
aperture
at
the front
of
the gear
case
21 Instal the
laygear
in the
case so
that the
bearing
abuts the
circlip
22
Cut
three
pieces
of
Plastigage or
soft lead
wire to
fit
on
the
bearing
aperture
flange
in he carrier
plate
space
them
equidistant
around the
flange
NOTE To hold the three
pieces of Plastigage
or
lead wire
in
position
it may
be
necessary to
use a
smear
of
grease
23 Fit the carrier plate into position
over
the
laygear
rear
bearing
and onto
the
gear case
24 Instal the carrier
plate retaining
bolts and tighten
them
diagonally
and
evenly to
a
torque of 12 16 ft lb
25 Remove the carrier
plate
and
carefully
detach the
pieces
of
Plastigage
or
lead wire from the
flange
NOTE Provided the
Plastigage or
lead
wire was
of adequate
thickness it
should
now
be in
a
flattened comjitiolL
26
Using
a
micrometer
check the thickness of each
piece of compressed
Plastigage
or
soft lead wire and arrive
at
a mean
figure
Deduct
fr9m
this
figure
the necessary
end float of 0 03
rum
0 001 in and the balance
represents
the thickness
of the washer required
27 Remove the
laygear assembly
from the gear
case
28 Mount
the
carrier
plate
in
the jaws of
a
vice
fitted
with
protective covers
29 Bring together
the
laygear
and
mainshaft
assembly
so
that the teeth
on
both
are
meshed
in the
running position
30 Insert
the
mainshaft through
the
appropriate
hole
in the carrier plate
and
enter the
rear
bearings of the
mainshaft and
laygear
in
their
respective
carrier
plate
apertures
31
Using
a
soft faced hammer
or
press
seat
the
bearings
in their
apertures
NOTE Ensure that
both
bearings enter
the apertures
squarely
and
do
not
allow the gear teeth to unmesh
32
Instal the
reverse
idler gear to the
layshaft
and
secure
with the
circlip
33 Instal
reverse
gear
on
the mainshaft and
secure
with
the circlip
34 Instal the
reverse sliding
gear
on
its shaft
35 Instal the selector forks
on
the
synchro sleeves
and
the
reverse
selector
fork
on
the
sliding
gear
36 Insert the detent
spring
and ball for the
reverse
selector rod in the blank ended hole in the carrier
plate
Using
a
piece
of metal rod
depress
the ball and
spring
and
hold
in this
position
37 Insert the
reverse
selector rod
through
the
fork
and carrier
plate
with the two
detents
on
the selector rod
facing
the detent ball
38 When
the
selector
rod engages
over
the
depressed
detent
ball
remove
the holding
rod and
push in
the selector
rod until
the ball
engages
the
first
detent
on
the
rod
Instal
the
plug
in the detent hole
39 Align the holes in the selector rod and fork and
knock in
the spring pin to
secure
40 Instal the interlock
plunger
for
reverse
and
third top selector rods
41
Insert the third
top
selector rod
through
the
carrier
plate
and selector fork with the three detents
on
the
rod facing the
hole in the carrier
plate for
the
detent
ball
and
spring
42
Align the centre
detent
on
the
rod
with the
carrier
plate
hole and instal the detent ball and
spring
Screw in the retaining
plug
until it is flush with the plate
edge
43
Align
the holes in the selector rod and fork and
knock in
the spring pin to secure
NOTE
First second selector rod
should
not
be installed
until
the extension
housing
has been
fitted
44
Assemble the control rod
components
to
the
extension
housing
in the
reverse
order of
re
moval Instal
a
new
oil seal and
expansion plug to
the
pivot assembly
and
locking
wire to
the control rod selector lever retaining bolt
45 Fit the gear lever to the
control
rod
assembly
and
move
the gear lever
to
what is
normally
the first second
position andretain
in this
position
46 Offer the extension
housing up to
the carrier
plate and engage
it
on
the
dowels
Use
a
soft
faced hammer
and
gently
tap the
housing
into
position
on
the carrier
plate
47 Move
the
gear lever
across
to
the
reverse
position
but do
not
attempt
to
engage the
gear
hold in this
position
48
Insert
the
interlock plunger for third tnp and
first second
selector
rods
49 Push
the selector rod
through
the first second
selector fork and into the carrier
plate with
the
three
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