stop start DATSUN B110 1969 Service Repair Manual

Page 8 of 136


ainteDaDee

TUDe

up

VAL
VE
CLEARANCES

Valve
clearance

adjustment
should
be
made

while

engme
IS

stationary

To

adjust
proceed
as
follows

Start

engme
and
run
It
until
It
IS
heated
to

operatIng
temperature
or
at

least
more
than

17S
of

engIne
011

temperature
then

stop

engIne

Rotate
crankshaft
to

bnng
No
1

cylInder
In

top
dead

center
on

ItS

compressIOn
stroke

Remove
valve
rocker

cover
to

gaIn
access
to

valve

operatIng
mechamsm

Adjust
valve

clearance
at

follOWing
four

pOints
while

engIne
IS
still
hot

1

Exhaust
valve
of
No
1

cylinder

2
Intake
valve
of
No
1

cylinder

3
Intake

valve
of

No
2

cylinder

5
Exham
t
valve
of
No
3

cylInder

ote

Numbers
in

parenthesis
agree
with

those
10

accompanY1Og
sketch

AgaIn
rotate
crankshaft

one
turn

so
that
No

4

piston
IS
In

top
dead
center

on
ItS

com

pressIOn
stroke

Adjust
follOWIng
valves

4
Exhaust
valve
of
No

2

cylinder

6
Intake
valve
of
No
3

cylinder

7
Intake
valve
of
No
4

cylInder

8
Exhaust
valve
of
No
4

cylinder

Rg
1

AdJustmg
valve
clearance

8
Adjustment
should
ue
made
whIle

engIne
IS

hot
After
all
valves
have
been

adjusted

correctly
tighten
lock
nut

firmly
to
secure
the

adjustment

Checking
and

adjusting
drive
belt

Check
for
a
cracked

or

damaged
V
belt

Replace
If

defective

Adjust
the
belt
tenSIOn
If

necessary
Belt

deflectIOn
when
thumb

pressure
of
220
Ib
IS

applied
midway
between

pulleys
0394
to

o
590
In

ENGINE
OIL

011

capacity
of

engIne

IncludIng
011
filter

Capacity

MaXimum
VB
US

gal
Imp
gal

MInimum
5IB
US

gal
III

Imp
gal

Make
sure
that

engIne
011
IS
not
detenorated

With

cooling
water

or

gasolIne
DraIn
and

refill
the
011
lf

necessary

Notes

a
A

m1lky
011
indlcates

presence
of

cooling
water

Valve
clearance

Hot
Intake

0014

In

Exhaust

Fig
2

AdJustmg
dnve
belt
tension

Page 12 of 136


aiDteDaDce
UDe

up

Adjust
throttle

adjusting
screw
so
that

engme

speed
1S
800

rpm
m
N

positIOn
for

automatic
transmIssIOn

Check

IgnitIOn
tlmmg
If

necessary
adjust
1t
to

the

specIficatIOns

IgnitIOn
timing
50
800

rpm

Adjust
Idle

adjusting
screw
so
that
CO

percen

tage
IS
1
5
t0
5
ff

Repeat
the

adjustments
as
desctlbed
In

steps

3
above

so
that
CO

percentage
IS
15
t0
5
ff
at

800

rpm

Cautions
a
On
automatic
transmission

equipped
model
check
must
be
done
in

the
D

position
Be

sure
to

apply
parking

brake
and
to

lock
both
front
and
rear

wheels
wIth
wheel
chocks

b
Hold
brake

pedal
while

stepping
down

on
accelerator

pedal
Otherwise

car
will

rush
out

dangerously

On
automatic

transmISSIOn

eqUIpped
model

make
sure
that
the

adjustment
has
been
made

wIth
the
selector
lever
In
N

posItion

And
then
check
the

specificatIOns
with
the

lever
In
D

posItion
Insure
that
CO

percent

and
Idle

speed
are
as
follows

Idle

rpm
650
Idle
Limiter

Cap

CO

percentage
Do
not

remove
this
Idle
hm1ter

cap
unless

necessary
If
this
Unit

IS
removed
It

IS
I

with
lever
In

D

PoSitIOn
1

5
t
0
5
k

necessary
to
re

adJust
It
at
the
time
of
In

If

necessary
adjust
by
progIesslvely
turmng
stallatlon
To

adjust
proceed
as
follows

throttle

adJustlng
screw
and

Idle

adJustmg
Make
sure
that
the

percentage
oLCO
contents

screw
until
correct

adjustments
are
made
satisfies
the

specifications
I

I

I

I

J

Fig
9
Checking
spark
plug

gap

10
Throttle

sdJustlnl

screw

Idle

adjust

Inlscrew

Idle
Itmlttc

r

cap

4

Stopper

Fig
10
Throttle

adjusting
screw
and
Idle

adjusting

screw

CARB
STOPPER

Fig
11

Setting
Idle
limiter
cap

Notes
a
Do
not

attempt
to

screw
down

the
idle

adjusting
screw

completely
to

JI
avoid

damage
to

the

tip
which
will
tend

to
cause
malfunctions

b
After
idle

adjustment
has
been

made
I

shift
the
level
to
N

or
P

position
for

automatic
transmission

c
Remove
wheel
chocks
before

startmg

the
car

Page 35 of 136


Bleatriall

System

STARTER

I
Gl
U
ne

2

Dmt
oyer

3
Shift
h

vu

4

Dusll
ovcr

5
Shift
knr

pm

6

Magndlf
Wlllh

1

Lntubr
f
t

8
Arlll
ture

9
Thru
ot
w
L

ht
t

to
Metal

it

Stoppu
w
l
hu

12

Stoppt
rdlP

13
Pinion

toppu
@
@
@
@

I

15

16

17
Pmlon

Ovu

rumuRl
dukb

I
KId
lOll

Yok
18

Uru
h

19
Bru
l
b

20

Rl
ar
t
r

11

Through
bolt

Fig
75
Exploded
view
of

starting
motor

ALTERNATOR

CD

@OO
@
@

@
I

Pulley
assembly

2

f
on
cover

3
Front

beanng

4
Rotor

5
Rear

beanng

6
Stator

1
Rea
r
covet

8
Brush

assembly

9
Diode
t

plate
assembly

10
Diode
cover

11
Through
bolt

EE031

Fig
76

Exploded
view
of
alternator

Page 51 of 136


ruel

Sptem

CO

percentage

with
lever
In

D

posltton
15
050

If

necessary
adjust
by
progressively
turmng

throttle

adjustIng
screw
and
Idle

adJusttng

screw
unttl
correct

adjustments
are
made

Notes
a
Do
not

attempt
to
screw
down

the
Idle

adjusting
screw

completely
to

aVOid

damage
to
the

tip
which
will
tend

to
cause
malfunctions

b
After
idle

adjustment
has
been
made

shift
the
lever
to
UN
or
P

position
for

automatic
transmission

c
Remove
wheel
chocks
before

starting

the
car

Idle
Limiter

Cap

Do
not
remove
this
Idle
hmlter

cap
unless

nccesbary
If
this
Unit
IS
removed
It

IS

I
Throttle

adJu
tmg

suew

2
Idle

adJu
t

Ing
rcw

3
Idle
hmlter

p

4

Stopper

FIg
92
Throttle

adjusting
screw
and
Idle

adjusting

screw

rl1urdor

topper

Fig
93

Setting
Idle
limiter

cap

54
necessary
to

re

adJust
it
at
the
time
of
In

stallatIOn
To

adjust
proceed
as
follows

Make
sure
that
the

percentage
of
CO

contents

sattsfies
the

speClficattons

Install
idle
hmIter

cap
In

poSItIOn
makIng

sure
that
the

adjustIng
screw
can
further
turn

rotatIOn

In
the
CO
RICH
dIrectIOn

Fuel
Level

Adjustment

Turn
down
the
float
chamber
to
allow
the

float

comIng
Into
contact
WIth
the
needle

valve
and

measure
R
shown
In

Figure
91

When
the
H

IS

approximately
190
mm

0748
In

top
float

posltton
IS
correct
The

top

float

pOSitIOn
can
be

adjusted
by
bendIng
float

seat

Upon
completIOn
of
the

adjustment

check
fuel

level
WIth
the
attached
level

gauge

Adjust
bottom
float

posItion
so
that
clearance

h
between
the
float
seat
and
the
needle

valve
stem
IS
0
0512
to
00669
In

when
the

float
IS

fully
raIsed
Bend
the
float

stopper

properly
as

reqUIred

Fast
Idle

Adjustment

Remove
the
bl
metal
cover

Place
the
fast
Idle
arm
on

the
second

step
of

the
fast
idle
cam
Then

adjust
the
fast

Idle
ad

JustIng
screw
In

such
a

way
that
the
clearance

of
the
throttle
valve
shown
at

A
In
the

Illustratton
Will
be
the

speCificatIOns
See

Figure
92

IH

Float

Float

seat
3
noall

topper

4
Needle

alve

Fig
94

AdJusting
float
level

Page 55 of 136


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