Datsun 1980 200SX Service Manual page 286

PROPELLER SHAFT
DIFFERENTIAL
CARRIER
Differential Carrier Final drive Model H1658
Example
N
0 3 5
H
4
D
3
S O
T
N H
0 S
x
0 01
2 98
0 3 5 4
3
0
x
0
01
2 98
I
H
0
4
3
I
0
I
S
2
I
x
0
01
0 0
3
N 0 3 5
0 01
0 3 6
4 0 3 6
2 98
3 3 4
T 3 3 4
5 Select the
proper
washer Refer
to S O S
If
you
cannot
find
the desired
thickness
of
washer
use
washer
SO
that
thickness is the closest
to
the calcu
late value
Example
Calculated value
T
3
34
mm
Used washer
T 3 3 3
mm
FINAL
VERIFICATION
Check backlash of
ring
gear with
a
dial indicator
If
backlash is
too
small decrease
thickness of left shim and
increase
thickness
of
right
shim
by
the
same
amount
If backlash is too great
reverse the
above
procedure
Never add
or remove
from the total
amount of shims
or
bearing preload
will be
changed
SPD066
2 Check side
bearing preload
Hook the
tip of
a spring
balancer
on a ring
gear
bolt
Check
the preload by
mea uring
the
rotating
resistance in
a
backlash
Preload
At
ring
gear
bold
14 7 26 5
N
11 5 2 7 kg
3 3 6
01bl
SPD067
If prelOad i
too
great remove
the
same amount of
shims to
each
side
If
preload
i
too
mall add the
same
amount
of shims
to
each
side
Never add
or
remove
different
amount
of shims
to
each side
or
ring
gear
beckla h will be
changed
5P0031
3 Check
runout
of ring
gear
with
a
dial indicator
SP0003
If
backlash varies excessively in dif
ferent
places
the
variance may
have
resulted from foreign
matter
caught
between the
ring
gear and
the
differ
entia
case
If the backla h varies
greatly when
the
runout
of the
ring
gear is
within
a
pecified
range
the hypoid
gear set
or
differential
case
should be
replaced
4 Finally check for
tooth contact
pattern
Refer
to
TOOTH CONTACT
U
ually the pettern
will
be correct
if
you
have
calculated
the hims
correctly
and the
backla
h i
correct
However
in
extremely
rare cales
you
will
have
to
use
trial nd
error
proce
until you get
a
good tooth
contact
pattern
The
tooth
pattem
i the best
indieation
of how well
a
differential
ha been
et
up
PO 15