light DATSUN B110 1969 Service Repair Manual

l

aiDteDaDce
UDe

up

Install
a

timing
lIght
on
No
1

cyhnder
spark

plug
WIre
and
Install
a
tachometer

Set

Idhng
ipeed
to

approximately
800
rpm

Check

19mtlOn
tImmg
If
It

IS
50BTDC
Before

Top
of
Dead
Center

by
the
use
of

tlmmg

hght

If

necessary
adjust
It
as
follows

Loosen
iet

screw
to
such
an
extent
that

dlstnbutor
can
be
moved

by
hand

AdJu
it
IgmtlOn
tIming
to
50BTDC

Lock
dlstnbutor
set
screw
and
make
sure

that
tlmmg
IS
correct

IgnitIOn
tImmg
degreel
50
B
T
DC

Distributor
Breaker
Point

Check
dlstnbutor
breaker

pomts
for
abnormal

pItting
and
wear

Replace
If

necessary
Make

wre

they
are
In
correct

ahgnment
for
full
con

tact
and
that

pOint
dwell
and

gap
are
correct

Clean
and

apply
dlstnbutor

grease
to
cam
and

WIck

Note
Do
not

apply
grease
excessively

Dl
tI
IbutOl

POint

gap
0
018
to
0
022
In

Dwell

angle
49
to

55

degrees

Condenser

Clean
outlet
of
condenser
lead
WIre
and
check

for
loose
set
screw

RetIghten
If

necessary

Check
condenber

capacIty
With
a

capacity

meter

Fig
7

Checking
Igmllon
timing
Condenser
msulatlOn
resistance

may
be
also

checked

usmg
a
tester

by
adjusting
ItS

range

to
measure

large
resIstance
value
When
con

denser
IS
normal
the
tester

pomter
swmgs

largely
and

rapidly
and

moves

gradually
back

to
the
Infimte
SIde
When
the

pomter
does
not

stay
still
or
It

pomts
zero
m
reSIstance

replacement
IS

necessary

Condenser

capacIty

022

J
F
MIcro
Farad

Condenser
InsulatIOn
resIstance

5
Mn

Mega
ohms

Spark
Plugs

Remove
and
clean

plugs
In
a
sand
blast

cleaner

Inspect
each

spark
plug
Make
iure

that

they
are
of
the

specified
heat

range
In

ipect
msulator
for
cracks
and

chIps
Check

both
center
and

ground
electrodes
If

they
are

excessIVely
worn

replace
WIth
new

spark

plugs
File
center
electrode
flat
Set
the

gap
to

0031
to
0035
m

USIng
the

proper
adjustIng

tool

Tighten
plugs
to
11

0
to

150
ft
Ib

torque

CARBURETOR

Idle
mixture

adjustment
requIres
the
use
of
a

CO
meter
When

preparIng
to

adjust
Idle

mixture
It

IS
essential
to

have
the
meter

thoroughly
warmed
and
cahbrated

Warm

up
the

engme
suffiCiently

ContInue

engIne
operatIOn
for
one
mmute

un

der

ldhng
speed

I

i

I

I

I

I

I

I

ETOQ4

Fig
8
Checking
dlstnbutor

POint

gap

ruel
S
stem

Note
When
somewhat
over
choked
set

bl
metal

cover
after

turning
it
clockwise

slightly

Adjustment
oflnterlock
Opelntng
of

Pnmary
and

Secondary
Throttle
Values

Open
the

pnmary
Side
throttle

valve
48
from

the

fully
closed

positIOn
and
measure

clearance
GIn
between
the
throttle
valve
and

throttle
chamber
mSlde
wall
as
shown
m

Figure
99

GIn

0
228
m

WIthout

dlsturbmg
the
above

settmg
bend

connectmg
rod
as

necessary
so
that

secoridary

throttle
valve
IS
about
to

open
Upon
com

pletIOn
of
the

adjustment
make

sure
that
the

hnk

system
operates
smoothly

Dash

Pot

Adjustment
AutomatIC
Trans

mlsszon
car

only

It
IS

necessary
that
the

Idhng
speed
of

engme

and

mIxture
have
been
well

turned
up
and

engme
IS
suffiC1
n

y
warm

1

Turn
throttle

valve

by
hand
and
read

engme

speed
when
the
da
h

pot
Just
touches
the

stop

per
lever

Adjust
the

pOSitIOn
of
the
dash

pot
by
turnmg

the
nut
until
the

engine

speed
IS
In

the

range

from
1

900
to
2
000

rpm

Make

sure
that
the

engine
speed
IS

smoothly

leduced
from

3
000
to
1
000

rpm
within
a
few

econds

Removal

Remove
the

aIr
cleaner

DIsconnect
the
fuel
line
vacuum
line

automatic
choke
harness
and
antl

dlesehng

solenOId
harness
from
carburetor

Remove
the
throttle
lever

Remove
four
nuts
and
washers

retaining
the

carburetor
to
the
mamfold
If

necessary

LIft
the
carburetor
and
remove
from
the

mamfold

Remove
and
dlscard
the

gasketcused
between

the
carburetor
and
mamfold

8
Disassembly

The
main

Jets
and
needle
valves
on
both

primary
and

secondary
Sides

are
accessible

from
outSIde
of
the
carburetor
for
disassem

bly
Remove
throttle
return

sprmg

Remove

pump
level
shaft
take
out

pump

lever
and

pump
connectmg
rod

Remove
rubber

pipe
from
choke

piston

Loosen
off
bolts

secutlng
servo

diaphragm
In

positIOn
take
out

dIaphragm

Back
off
total
of
five
bolts
which
hold
choke
In

posItion
and

remove
rods
of
starter

system

take
out
choke
chamber

In

removmg
chamber

exercise
care
to
aVOId

damaging
float

The

pnmary
and

secondary
emulsIOn
tubes

can
be
disassembled

by
removmg
the

main
air

bleeds

on
the
indiVidual
SIdes

UII
ij

Fig
101

Removmg
choke
chamber
and
servo

diaphragm

o

llQt

o

Fig
102
Removmg
emulsion
tubes

Brakes

c

Fig
131
Rear
brake
construction

Assemble
the

cylIndel
body
and

yoke
by
tap

ping
the

yoke
lIghtly

Apply
the
brake

grease

fully
to
the

yoke

slIding
groove
of

cylInder

I
nstall
the
air
bleeder

Reinstallation

Reinstall
the

calIper
assembly
In

reverse

sequence
of
removal

After

the

pad
IS
Installed

completely
bleed

the

hydraulIc
line
and
measure
the
rotatton

torque
of
diSC

Starting
torque

780
In

Ib

At
the
hub
bolt

345

Tightening
torque

CalIper
assembly
installatIOn
bolt

33
3
to
44
1
ft
lb

Brake
tube
flare
nut

connected
to
wheel

cylIn

der

108
to

13
0
ft
lb

REAR
BRAKE

Removal

and

Disassembly

Jack

up
the

rear
slde
of
the
vehicle

support

With

a
stand
and

remove
the
wheel

74
Loosen
the
hand
brake
Wire

remove
the
cleVIS

pin
from
the

rear
wheel

l
ylInder
lever
and

disconnect
the
hand
brake
wIre
Remove
the

return

spnng
pull

spnng

Remove
the
brake
drum
Remove
the
shoe

retainer
and
retUl
n

spnng
and
remove
the

brake
shoe

assembly

DIsconnect
the
brake
tube
from
the
wheel

cylinder

Remove
the
dust

cover

adjusting
shims
and

plates
The
wheel

cylInder
can
then
be

removed

eaSily

Flg
132

RemOVing
hand
brake
vme

Brakes

ADJUSTMENT

Front

Disc
Brake

Ordinarily
adJu
tment
IS
not

requIred

because
clearance
between

pad
and
rotor
IS

adjusted

automattcally
by
elasttclty
of
the

pIston
seal

I
iJ

1

el
i

C
1

FIg
142

AdJustmg
rear
brake
shoe
clearance

F
J

I

1

I

r

BRAKE
MASTER

CYLINDER

I
tI
Rear
Brake

Jack

up
the
vehicle
and
remove
the
wheel

ApplYing
your
hand
and
tool
from
reverse
side

of
the
brake
diSC

ttghten
the
brake

adjuster

wedge
clockWise

up
to
such
an
extent
that
the

brake
shoe
comes
Into
contact

With
the
brake

drum

Return
the

adjuster
wedge
properly
so
that

the
brake
shoe
IS

separated
from
the
brake

drum

slIghtly

Turn
the
brake
drum
and
If
the
brake
shoe

Interferes

the
brake
drum

readjust
In
ad

dition

depress
the
brake

pedal
and
make

sure
that
the
brake

operates
effecttvely
and

correctly

Loosen
the

stopper
up
to
such
extent
that
the

brake

pedal
stopper
IS

separated
from
the

pedal

arm

Brake
Pedal

Height

Measure

height
of
the
brake

pedal
head
from

the
dash

panel
and

adjust
the

adjusting
shim

between
the
brake
master

cylInder
and
dash

panel
so
that

height
IS
5
65
In

05mmlOQ197
nl

THICKNESS
0
8
mm

10
0315
0

16mm

100630
n

11
r

l00

Fig
143
Brake

pedal
adjustment

78

i

l
Front

SuspeDsion

If

t
IS

lIght
check

stecrmg
hnkage
and

suspension
groups

If
It

I

hectvy
chl
ck

sleermg
geM
wd

stcermg
column

groups

Excessive

steering
wheel

play

1

NOises

Grating
tire
nOise
StIff
or

dJmaged
5llspenslUn
bJII

Jomt
or

lack
of

gTcelse

Worn
01

lIKorrcctly

ddJuSICd
whed

bCJfIll

g

Worn

dJtnJged
steering

gedf
Jod

bearmg

In
orrectly

adjusted
teenng
gear

Deformed

steering
Imkage

In
orrcct
wheel

alignment

Damaged
strut

upper
end

bearmg

Damaged
or

stiff

piston
or
shock

dbsorber

rod
m

the
strut

Interference
of

steenng
column
Wllh
turn

signal

sWlh
h

Incorrectly

adjusted
steenng
gear
housmg

Worn

steenng
lmkage

Improperly
fitted

gear
box

1n

orrectJy

adjusted
wheel

bearIng

Worn
trdl1Wcrs
e
hnk
dnd
tensIOn

rod

f1ttlllg
bmhlOgs

Improper
lIT

pressure
of
lire

InsuffiCient

lubncatmg
011
and

grease
for

suspen
lOn

b
t11

Jomt
and

steermg
hnkage

or
then

breakage

Loose

teermg
gear
bolt

Imkage
and

suspension
groups

Defective
shock
absorber
mslde
the

slrut

Defective
wheel

bearmg

Worn

sleenng
Imkage

Worn

transverse
hnk
and
tenston
rod

fiUmg
bushmgs

Broken

collapsed
rod

sprmg

Loose

strut

mountmg
Insulator

tJghtemng

nuts

Improper
aJf

pressure
of
tlfe

Incorrect
wheel

alIgnment

Deformed

knuckle

spmdle
and

suspensIOn

linkage
RcplJce

ReplJLL
or

JdJu
t

ReplJLc

AdJusl

Replace

Adlust

Replace

Replace

Adlusl

Adjust

Replace

Retighten

Adjust

Replace

Adlusl

Replemsh
lubncatlOn

od
and

grease
or
re

place

Retighten

Replace

Replace

Replace

Replace

Replace

Retighten

Adjust

Adjust

Replace

81

Steering

DESCRIPTION
mtles
and

replenIsh
recommended
011
as

reqUIred

The

steetlng
linkage
should
be

greased
up

WIth
wheel

bearing
grease
every
30
000
mtles
The

steering
ystem
consIsts
of

reclrculatmg

ball

type
gear
box
and

parallelogram
linkage

These

y
tems

gIve

good
respon
e

light
han

dlmg
and
utmost

durabIlity
Moreover
the

teermg
linkage
IS

eqUIpped
With
a
torsIOn

rubber

sy
tem

Idler
arm
whIch
absorbs
shock

from
the
wheel
RECOMMENDATIONS

Check
the
lubricant
of

gear
box

every
6

000
Due
to

the
need
for
a

large
number
of

specIal

tools
and

alignment
eqUIpment
It

IS
recom

mended
that

repairs
to
the

steering
com

ponents
be
left
to

a

completely
eqUIpped
shop

Steenng
gear
housing

Shaft

steeling
sector

Suew

adjusting
roller
hdft
4
Cover

ector
haft

5
Shim
worm

anng

6

Camp
Jacket
column
7

Assembly
t
olumn

steering

8
As

mbly

bearmg
steering
l
orm

9

Assembly
ut

ball

Fig
148
Steering

gear
coriiPon
rrts

80

lear
Drive

Suspension

I
A
le
holft

2

SPdlU

3

Whl
c1

beanng

4
Whcd
be

mng
I
ollar

5
Oll
al

b

Hcanng
adjust
hlOl

7
Axle
a
C

8
BrJ
ke
drum

FIg
149
Sectional
vIew
of
rear
axle

REAR
AXLE

The
I

ear
axle
19

of
a
sem1
f10atIng

type
The

axle

hOUSIng
IS
a

press
steel

BanjO
type

hou

Ing
It
IS

light
In

weight
and

IS
sufficlen

tly
strong
to
wIthstand
all
torsIOnal
and
ben

ding
loads

The

rear
wheel

bearIngs
are
of

presealed

types
Therefore
no

frequent
lubncatIng
ser

vice

IS

reqUIred
However
when
the
rear
axle

IS
dIsassembled
the
wheel

bearings
should
be

packed
with
an

lpproved
grease
pnor
to
the

reInstallatIOn

beIng
careful
not
to

damage

the

sealing
rubber

DIFFERENTIAL

The

gear
carner
IS
made
of

light
and

strong

alumInum

alloy
metaLand

hYPOld
bevel

gear

IS
used

M
Adjust
dnve

pInIOn
bearIng
preload
wIth

non

adjustIng
type
spacer
and

pInion
height

and
Side

bearIng
adjustment
wIth

spacer

shlm
s

MIllimeter
standardIzatIOn
stili

remaInS
for

all
the
screw
threads
of
thIS
Unit
Therefore

adjustment
figures
stamped
on
screws
ad

JustIng
shIms
washers
dIfferentIal
case
dnve

pInIOn
and

carner
are
In
millimeters
In

accor

dance
with
the
millImeter
standardIzatIOn
of

parts

The

proper
lubncatlOn
to
the

gear
hOUSIng
IS

neCessary
otherWIse
It
would
shorten
the

durability
of
the

gear
and

cause
other

troubles
The
lubncant

should
be
checked

each
3
000
miles
and

replenished
each
30
000

miles

The

luJ
ncan
ks
hould
be
draIned
and

refilled

at
the
end
of
the
first

600
miles
to
eltm1l1ate

Clutch

DESCRIPTION

The
clutch
IS
a

sIngle
dry
dIsc

diaphragm

prIng

type
clutch
The

major
components
are

clutch

cover

pressure
plate
diaphragm

sprIng
and

wire

rIngs
The
clutch
diSC
IS

provided
WIth
rIveted

plates
on
both
surfaces

and
cot

bprIngs
arranged
In

a
hnk
The
COIl

prIngs
absOl
b
shock
whIle

engagIng
the

clutch

softemng
and

smoothIng
clutch

engagement

Release

bearIng
sleeve
and
WIthdrawal
lever

dre
used
to
control
clutch

engagement
and

disengagement

Each

part
of
the
clutch

assembly
IS
secured

With
rivets
Therefore
when
a
trouble

IS
un

correctable

replace
the
clutch

assembly
With

a

new

assembly

30

1181

r
I

I

I
I

I

8

1

il
f
0

g
it

l

00

r
O
11

I

N

NN

0
to
lt

lt

ll
l
If
N

O

N

I

I
I

I

FIg
154
Construction
of
clutch

100
CLUTCH
PEDAL

Removal

Remove
the
return

sprmg

Loosen
the
lock
nut
of
the
master

cyhnder

push
rod
and
disconnect
the

push
rod
end

Remove
the
lock
nut
and
washer
of
the

pedal

shaft
and
remove
the

pedal
lever

Inspection

Thoroughly
clean
all

disassembled
parts
m

dlcated
below
and

carefully
check
them
for

wear

damage
and
other
abnormal
conditions

RepaIr
or

replace
them
With
new
ones
If

reqUIred

Pedal
head
rubber

Return

sprIng

9353

3682
00004

lIGHTENING
TORQUE
1

5
to
2
2

kg
m

108
to

159ft
lbl

UOIt
mm

Inl

Bod
Work

BULB
SPECIFICATIONS

Speclflca
tlons
SAE
Trade
Number

Headlight
umt
2V
50
40W
60
2

Duectlonal
and

parking
light
2V
23

8W
1034

SIde
marker

light
2V
8W
67

LIcense

plate
light
2V
7
5W

89

Rear
combination

light

TaIllight
2V

23
8W

1034

Stop
brake
light
2V
23

8W

Turn

sIgnal
light
2V
23W

073

Back

up

lIght
2V
23W

Meter

Illuminating
lamp
2V
7W

6

WIper
Washer
Illumination

lamp
12V
3
4W
58

Heater
control
Illumination

lamp
2V
3
4W
57

Ignition
warmng

light
12V
17W
6

Turn

signal
indicator

light
2V
7W
6

Headlight
beam

indIcator

light
2V
7W

61

all

pressure
warning

lIght
2V
17W
16

Brake

warning

light
2V
I
7W
6

I

Room

light
2V
lOW

120

llead
anW
M
ethOd
of

Inspection

Probable
cause
Check
the
fuse
block
and
wlute

cable
for
contact

CondItiOn
Blown
off
fuse
or
faulty
contact
Check
the
fuse
for
fusIng
and

faulty
contact

An
lamps
do

not
hght
Faulty
hghtlng
sWItch
termInal

connector
Check
the
connector
for
contact

Conduct
continUIty
test

Defective
hghtlng
sWItch
Check
the
fuse
for
fusIng
and

faulty
contact

1h
1M
BI
m
off
CO

does
not
hght

for
both
high

and
loW
beams
Check
the
connector
for
contact

lmproper
dImmer
sWitch
contact

DefectIve
dImmer
sWitch
Conduct
contlnu
ty
test
Correctwe
ac
tlon

RepaIr
as
requtred

When
fused
detect

and
repaH
the
cause

and
replace
the
fuse

RepaIr
as
requHed

If
the
lighting
SWitch

IS
defectWe
replace

When
fused
detect

and
repair
the
cause

and
replace
the
fuse

RepaIr
as
requned
I
f

If
the
dImmer
sWitch

S
defectWe
replace