Dismantling - Datsun 1968-1973 510 Owners Workshop Manual

Chapter
a Rear axle
129
approximate
trtted position replace
the two side
retamerSa
43 Refit the side
retainer secUring nuts
boltsandsprmgwashers
44
Carefully
slide
In
the
two
sIde
flange
assemblies and
secure
In
posItIon
wIth the plain washer
sprong washer and bolt
TIghten
to a
torque
wrench
setting
of
65 87 Ibf ft 09 1 2
Kg
Fml
45 If
pOSSible
mount
a
dIal
indIcator gauge
so
that the
probe
IS
resting
on one
of the teeth
of
the
crownwheel
and determine the
backlash between the crownwheel and pinIon The
backlash
may
be varoed
by adjusting
the thIckness of the shIm
packs
46 The
best check
to
be made
to ascertaIn
the correct meshing
of the
crownwheel
and piniOn IS to smear
a
httle engmeer
s
blue
onto
the crownwheel and pinion
and
rotate
the pinion The
contact
mark should
appoor
nght
In
the mIddle of the
crownwheel teeth Refer
to
Fig
810 where the
correct
tooth
pattern 1
shown
Also gIVen
are Incorrect
tooth
patterns
and the
method of
obtaInIng
the
correct pattern
ObVIously thiS wIll take
tIme and further dIsmantling but will be well worth whIle
47 I f
a
dIal indIcator guage
IS
available check the
run out
of the
crownwheel ThIS should not exceed 00031 Inch
008
mm
If
the result
IS In
excess
the
umt must
be dismantled again and
a
check made for din between the crownwheel and
differential
hOUSing mating
faces If dean further
inVestigation
will have to
be made
to see
whether the crownwheel
or
differential
hOUSing 1
dIstorted
48 Before
reflttmg
the
rear cover
make
qUite sure
that the
mating
faces
are
free from traces
of the old gasket
or JOinting
compound
49 F
It
a
new
gdSket
and then the
rear cover
and
secure
with the
eight
bolts and sprong washers
TIghten
these bolts
In a
dIagonal
and progressive
manner
50
The
umt IS now
ready
for
refitting
the the
car
Do
not
forget
FIg 8 6 USIng unoversal
pull
to
draw off SIde
flange
See 3
Fig 8
8 USing
a feeler gauge
to
determine the clearance between
SIde gear and thru
t
washer
See 31
to
refoll WIth 1 3 Imp
p
nts
1 6 US pints 075 Iitre
l
of the
correct 011
4 PinIon oil 5881
removal and
replacem81t IRSI
The pinIon oil seal may be renewed
WIth the
final drIVe unIt
In or out
of the
car
1
Place
a
container
of SUitable
capacity
under tho final drIve
assembly and
remove
the drain plug Allow all the oil
to
drain
out and refIt the drain plug
2 Chock the front wheels Jack up the
rear
of the
car
and
support
on
firmly
based stands Remove the road wheels
to
give better
access
3 Refer
to
Chapter 9 and dIsconnect the handbraka loft hand
rear
cable
4 The exhaust and silencer
assembly
wdl have
to
be moved to
allow the
propeller
shaft
to
be lowered to the
floor
Slacken the
U
bolt securing
nuts and turn
the
pre sdencer
chamber
through
90
5 Mark the
mating flanges
of the
propeller
shaft and fInal drlV8
to ensure correct
refitting
6
Undo and
remove
the
propeller
shaft
flange
securing
bolts
and
carefully
lower the
propeller
shaft
SWing
to one
SIde
7 Undo and
remove
the pInIon shaft flanll8
securong nut
and
washer
8 USing
a
unoversal puller and SUItable thrust pad draw off tho
pinIon shaft flange
9 The old oil seal may be removed by dISintegrating
In SItu
With
a
chIsel
or
screwdrIver takIng great care not to damaga Its
seating
2
3
5
FIg 8 7 Cross sectIonal
VIew
of drlVa pinIon
See 31
Flg
B 9 Rafrtt ng SIde rata
In
See 31