1969 DATSUN B110 fuel cap

able
of

Contents

MAINTENANCE
TUNE

UP

DIsassembly
32

InspectIOn
RepaIr
33

VALVE

CLEARANCES
6

AdJustmg
Regulator
33

ENGINE

OIL

6

Assembly
33

OIL
FILTER

7

COOLANT
7

COMPRESSION
7

ELECTRICAL
SYSTEM

BATTERY

8

IGNITION
TIMING

8
STARTER

36

DIstributor

Breaker
Pomt

9
Removal

37

Condenser

9

InstallatIOn
37

Spark

Plugs
9
Trouble

Shootmg
37

Carburetor

9

ALTERNATOR

36

Idle
LImIter

Cap

10

Removal

37

Dash

Pot
automatic
transmISSIOn

11
InstallatIOn

37

model

only

11
REGULATOR

39

Carburetor

Return

Sprmg

11

DeSCriptIOn
39

Fuel
Filter
11

Trouble

Shootmg
40

ENGINE

IGNITION
SYSTEM

DESCRIPTION
14

DISTRIBUTOR
44

REMOVAL
14

ConstructIOn

44

INSTALLATION
14

Checkmg
and

Adjustment
44

CLEANING
INSPECTION
14

SP
ARK
PLUGS

46

DISASSEMBL

Y
14

DeSCriptIOn
46

INSPECTION
REPAIR

18

InspectIOn
46

PreparatIOn
18

Cleamng
Regap
47

Cyltnder
Head

18

Valve

Assembly
18

Valve

Spnng
19

Valve
Rocker
Shaft

Rocker
Arm

19

FUEL

SYSTEM

Valve
LIfter
Push
Rod

20

Camshaft
Camshaft

Bearmg
20
FUEL
FILTER

50

Valve

Tlmmg
20

DESCRIPTION
50

Cyltnder
Block

21
REMOVAL

50

PIston
Piston
Pm

Plsto
LRmg
21

INSTALLATION

50

Connectmg
Rod

23
FUEL

PUMP

50

Crankshaft

24

DeSCriptIOn
50

Bushmg
Bearing
24

Testmg
51

Crankshaft

Sprocket
Removal

DIsassembly
52

Camshaft

Sprocket
25

InspectIOn
52

Flywheel
25

Assembly
52

ASSEMBL
Y

25

CARBURETOR

52

PrecautIOn

25

DeSCription
52

Cyltnder
Head

25

Adjustment
53

PIston

ConnectIng
Rod

26

Removal

58

Engme
26

DIsassembly
58

OIL
PUMP

32

Cleanmg

InspectIOn
59

Removal

Engme
m

vehicle
32

Assembly
InstallatIOn

60

I

aiDtenuce

TUDe

up

Fig
12

Fuel

strainer

Install

Idle
hmlter

cap
m

posItion
makmg

sure
that
the

adJustmg
screw
can
further
turn

rotatIOn
m

the
CO
RICH

d1rectlOn

Dash

Pot

Automatic

Transmission
Model

Only

Check

operation
of
dash

pot
It

should
not
be

cracked
or
bound

It
IS
also
essenttal
to
check

r
w
be

certam

that
It
IS

m
correct

adjustment

Check
to
be
sure

that
dash

pot
contacts

stop

per
lever

when

engme
speed
reaches
1

900
to

2

000

rpm

Engme
should

be

slowed
down

from
3
000
to

1

000

rpm
within

a
few

seconds

Readjust
dash

pot
or

replace
It

with
a
new

one

lflt

falls
to

meet
the

above
condItions

Carburetor
Return

Spring

Check
throttle
return

sprmg
for
sign
of

damage
wear
or

squareness
Discard

spring
If

found
wIth

any
of
above

excessIvely
beyond

use

Fuel

Filter

Check

for
a

contammatlOn
element

water

depoSIt
and
defection

All

engmes
use
a

cartridge
type
strainer
If
1t

IS
found

to
be

defective

replace
as
an

assembly

u

Bngine

Remove
the
altel
nator
and

engine

mounting

bracket

L
H
slde

Remove
the
crankshaft

pulley

Remove
the

011

pump
together
With
the
011

filtel

Remove
the

high
tensIOn
cable
wIth
the

dlstnbutor

cap
on

Remove
the

spark
plugs

Remove
the
dlstllbutor

assembly

Remove
the
carburetor

Remove
the
rocker
cover

Remove
the
thermo
itat

houslllg

Remove
the
manifolds

Remove
the
water

pump

Remove
the
fuel

pump

Fig
16
Manifolds
removal

Fig
17
Water
pump
removal

18
Remove
the
rocker
shaft

assembly
and

push

rods

Remove
the

cylInder
head

assembly

Invert
the

engine

Fig
18

Rocker
shaft

assembly
removal

7

1

l

I

h
Y
r

I
w

L
1

Fig
19
Cylinder
head
bolts
removal
sequence

o

Fig
20
011
strainer
removal

j

BBgiBe

Fig
70

Tlmmg
mark

Fig
71
Dlstnbutor
mstallatlon

Notes
a
Set
the
No
1

piston
to
its

top

dead
center

of
the

compression
stroke

b
Before
installation
return
the

distributor

rotqr
approximately
60

degrees
from
Its

regular
position
Insert

the

assembly
meshing
the
distributor

drive

gear
and
driven

gear

After
installation
the
distributor

rotor

should

come
into
contact
wIth
the
mark

on
the
rotor

cap
fittmg
as
shown
in
the

Figure

Install
the

spark

plugs
and
connect
the

distrIbutor
to

plug
high
tensIOn
lead

wire

Install
the
fuel
hoses
and
tubes

Install
the

clutch
cover

assembly

Install
the

engme
shngers
and
crankcase

ven

tilatIOn

hose
Fig
72

Removal
of
011
pump

TrochoId

Fig
73011

pump

OIL
PUMP

Removal

Engine
in
vehlCIe

Dram

engme
OIl

Remove
the
front
stabilIzer

Remove
the

splash
shield
board

Detach
the
011

pump

body
together
with
drIve

gear

spmdle

Disassembly

PrIor
to

dlsassembhng
check
to
determme

that
the

pump
IS
defective

Take
out

a
total
of
2
bolts

securmg
the

pump

cover
to
the

pump
body
The
outer
and
mner

Dlsmount

the

engme
from
the

workmg

stand
rotors
and
drive
shaft
can
then
be
dlsassem

Install
the

engme
mountmgs
bled

32

Fuel

Sptem

Testing

A
fuel

pump
IS

operatIng
properly
when

1tS

pressure
IS
Within

specifications
and
ItS

capacIty
IS

equal
to

the

engine
s

reqUIrements

at
all

speeds

Pressure
and

capacity
must

be
determined

by

two
tests
With
the

pump
mounted
on
the

engIne
Be

sure
that

there
IS

gasohne
m

the

tank

when

conductIng
these

tests

Fig
89
Pull

rod
removal
StatIc

Pressure
Test

The
static

pressure
test
IS
conducted

as

follows

Disconnect
the
carburetor

fuel
line
at
the

car

buretor

Install
the

necessary

adapter
and
tee

fitting

to
the
fuel
Ime
and
attach

a
SUitable

pressure

gauge

Start

and
run

engme
at

varymg
speeds

The

readIng
on
the

gauge
IS

the
static

fuel

pressure
and

thIS

should
remam
wlthm

the

follOWing
Itmlts

2
61b

sq
m

Pressure

below
the
lower
hmlt

IndlCates
ex

treme

wear
on

one

part
of
a
small
amount

of

wear
on
each

working

part

They
also
md1cate
a

ruptured
dIaphragm

worn

warped
dirty
or

gummmg
valves
and

seats

or
weak

dIaphragm
return

spring

Pressure
above

the

upper
hmlt

Indicates
an

excessIVely
strong
dIaphragm
that

IS
too

tight

ThIS

condItIOn

reqUIres
removal
of
the

fuel

pump

assembly
for

replacement
or

repair

I

V
lvc
llllh

2

PdlklOg

3
Retamer

4

Stre

5

p

6

Ga
ket

7
Screw

8
Washer

prln

9
Rocker
Jrm

10
Rocker

pm

II

Ro
ker
fm

pTln

12

Spdcer

13

Diaphragm
assembly

14

15
Retiuner

16

Diaphragm
sprtng

17
Washer

5PIlllg

18
Nul

19
Washer

plalO

20
Ga
ket

21

Spacer

22

Complete
body
lower

23
Connector
anlet

24
Connector
outlet

Fig
90
Structure

of
fuel

pump

51

Fuel

Sptem

Capacity
Test

The

capaclty
test

IS
used

only
when
the
statIc

plessure
IS

wlthm

specIficatIOns
The

capacity

test

IS
conducted

as
follows

Disconnect
the
fuel

p1pe
at
the
carburetor

Place
a
bUltable

contamer
at
the
end
of
the

pIpe

Start
the

engme
and
run
at
1

000

rpm

The

pump
should
delIver
1
US

pt
of
fuel
In

one
mmute
or
less

If

no

gasolme
or

only
a
lIttle
flows
flOm

open

end
of

pIpe
the
fuel

pIpe
IS

clogged
or
the

pump
I

malfunctlOntng
Before

removing
the

pump
remove
the

gas
tank

cap
dIsconnect

both
Inlet
dnd
outlet

pIpes
and
blow

through

them
wIth
an
aIr
hose
to
make

sure
that

they

are
clear

Thl
wIll
elImmate

pOSSible
clogged
gas

tramer
In

the
fuel
tank
Reconnect
the

pIpes

to
the

pump
and
rete
t
flow

Removal
and

DisassenbIy

Remove
the
fuel

pump

assembly
by
un

screwmg
two

mounting
nuts
and
dIsassemble

In
the

follOWing
order

Separate
the

upper

body
and
the
lower

body

by
unscrewmg
the

body
set
screws

Take
off
the

cap
and
the

cap

gasket
by

I

emOVIng
the

cap
screw

Unscrew
the
elbow
and
the
connector

Take
off
the
valve
retainer

by
unscrewmg
two

valve
retamer
screws
Two
valves
are

eaSIly

removed

To
remove
the

diaphragm
diaphragm
sprmg

lower

body
seal
washer
and
lower

body
seal

from

the
lower

body
press
down
the

dIaphragm
counter
to
the
force
of
the

dIaphragm
spring
and
while

dOIng
thIS
cant

the

dIaphragm
so
that
the

rectangular
part
m

the
lower
end
of
the

pull
rod
IS

unhooked
from

the
rocker
arm
lInk

Inspection

Check
the

upper
and

lower
bodIes
for
cracks

2
Check
the
valve

assembly
for
wear
of
the

valve
and
valve

sprmg
Blow
the
valve
assem

bly
by
breath
to
examme
ItS
functIOn

Check

the

dIaphragm
for
small
holes
cral
ks

and

wear

Check
the
rocker

dl
m

for
wear

at
the

portIOn

In
contact
With
the
camshaft

Check
the
rocker
arm

pin
for
wear

since
a

worn

pm
may
cause
011

leakage

Check
all
other

components
for

any
abnor

mahtIes
and

replace
With

new

parts
as

requIred

Assembly

Assembly
IS
done
In

reverse
order
of
disassem

bly
For

reassembly
and
remstallatlOn
the

followmg
matters
should
be
noted

Use
new

gasket

Lubricate
the
rocker
arm
link
rocker
arm

pm

and
lever

pm
before
mstallatlOlI

To
test

the
functIOn

poSItIOn
the
fuel

pump

assembly
about
33ft
above
fuel
level
WIth
a

pipe
connecting
the
fuel

pump
and
the
fuel

filter
and

operate
the
rocker
arm

by
hand
If

fuel
IS
drawn

up
soon
after

the
rocker
arm
IS

released
the
functIOn

of
the

pump
IS

satIsfactory

CARBURETOR

Description

The
carburetors

are
of
a
downdraft

type

whIch

IS

deSIgned
and
bUIlt
to

Increase

power

and
fuel

economy
as
well

as
to
reduce
the

em1SSlon
of
exhaust

gases

These
carburetors

present
several
dIstinct

features
of

Importance
to
the

car
owners

A

summary
of
features

IS
as
follows

Secondary
throttle
valve

IS

operated
by
throt

tie
lever
The

hIgh

power
and

good
ac

celeratIon

are

gained
With

combmatlOn
of

the

auxlhary
valve

Acceleratmg
pump
glves
excellent
ac

celeratIon

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

Specifications

ALTERNATOR

Make
and

type

NonunaJ

output
VA

Pole

Revolution

rpm

No
load
mmunum

revolu
bon

rpm

Output
current
A
V

rpm

Weight
kg
lb

Applied
regulator
HITACHI
LTl3S
13B

12
35

NegatIve
ground

1

000
to
13
500

less
than
I

000

more
than
28

14
2
500

34
7
5

TLI
Z
57

APPROXIMATE
REFILL
CAPACITY

Dter
USA
measure

lmp
measure

Sedan
40

t
10

X
gal
8Y
gal

Fuel

tank

Coupe
38
t
10

gal
8

gal

with
heater
49
t
5
X

qt
4

X

qt

Coohng
system

without
heater
42
t
4

yt

qt
3

X

qt

Od

pan
27
t
2X
ql
2

qt

Od
filter
054
t
IX

pt
I

pi

Transmission
case
Manual
12
t

2X

pt
2X
t

Automatic
55
t

5X

qt
4X

ql

Dlfferenttal
case
o
75

t
I

pI
IX

pI

Steenng

gear
box
024
L

X

pi
X
pt

H3