1969 DATSUN B110 check oil

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

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

aintenIDce
une

up

Find
the
cause
for

necessary
corrective

action

b
Oil
with

extremely
low

viscosity
in

dicates
dllutton
with

gasoline

Check
011
level
If
found
below
L
mark
refill

to
H
mark
on

gauge

OIL
FILTER

The
011
filter

IS
of

a

cartndge
type

Check
for
011
leaks

through
gasketed
flange
If

any

leakage
IS
found

retIghten
shghtly
If

nece

sary
replaLe
filter
as

an

assembly

When

mstalhng
an
011
filter

tIghten
by
hand

Note
Do
not

overtighten
011
fIlter

or
oil

leakage
may
result

I

I
Fig
3

Checking
engine
011
level

Oc
OF

I
0
121

20141

30
21

401401

5015BI

I

EGOQl

I
10
20

Fig
4

Protection
concentration
COOLANT

L
L
C

IS

al
ethylene
glycol
base

product
con

tammg
chemical
mhlbltors
to

protect
the

coohng
system
from

rustmg
and
corrosIOn

The

L
I
C
does
not
con
tam

any
glycerme

ethyl
or

methyl
alcohol
It
wIll
not

evaporate

or
bOll

away
and
can
be

used
wIth
either

high

or
low

temperature
thermostat
It
flows

freely

transfers
heat

effiCiently
and
will
not

clog
the

passages
m

the

coohng
system
The
L
L
C

must
not
be
mIxed
wIth
other

products
ThiS

coolant
can
be
used

throughout
the
seasons
of

the

year

Whenever

any
coolant
IS

changed
the

coohng

system
should
be
flushed
and

refilled
wIth
a

new
coolant

Check
the
level

COMPRESSION

Compression
pressure
test

Note
To
test

cylinder
compression

remove
all

spark
plugs
and
hold

tester
fit

Percent
BOllIng
pomt

concen
09

kg
cm2
Freeze

tra
lion
Sea
level

coolmg
sys

protectIon

tern

pressure

30

2210F
2550F
50f

50

2280
F
2610F
31oF

ETO
104

Fig
5

Testing
compressIon
pressure

7

Bogine

Note

Set
the

locate

plate
so
as
the

LOWER

mark

comes
to

the

engine
bot

tom
side

Set
the

maIn

bearIngR
on
theIr

posItIOns
on

the

cylinder
block

Notes
a

The
center

bearmg
No
3

bearmg
is

a

flanged
type
for
thrust
force

b
Two

lOner

bearmgs
No
2
and
No
4

are

of
the
same

type

c
The
front

bearmg
No
1
IS
the
same

type
as
the

rear

bearmg
No
5

d

All

bearings
except
for

No
I

bearing

are

interchangeable
between

upper
and

lower

bearings

Apply
engIne
OIl
to
the

mam

bearIng
surfaces

on

both
sIdes
of
the

cyltnder
block
and

cap

Fig
53
Mam

bearing
caps

Fig
54
Crankshaft
end

play
check
Install
the

crankshaft

Install
the

mam

bearmg
cap
and

tighten
the

bolts
with

specified
torque

Tlghtemng
torque

36
to

43
ft
Ib

Notes
a

Arrange
the

parts
so
that
the

arrow
mark
on

the
bearing
cap
IS
faced

toward

the
front
of
the

engine

b
Prior
to

tightening
the

bearing
cap

bolts

place
the

bearing
cap
at
a

proper

posItIon

by
shlftmg
the

crankshaft
in
the

axial

direction

c

Tighten
the

bearmg

cap
bolts

gradually

in

separatmg
two
to

three

stages
and
out

wardly
from
the

center

bearing

d
After

securing
the

bearing
cap
bolts

ascertam

that
the
crankshaft

can
be

easily
rotated

Make
sure
that
the
crankshaft

end

play
IS

correct

Crankshaft
end

play

o
0020
to

0
0059
In

I
nstalI
the

rear
011
seal

Install
the

flywheel

securely
USIng
the

lock

washers
and

tighten
the
bolts
with

specIfied

torque

Tlghtemng
torque

47
to
54

ft
Ib

Rotate
the

engine
a

quarter
turn

and
mstall

the

piston
rod

assembly

Notes

a
Insert
the

pistons
in
the

corresponding

cyhnders

b

Apply
engine
oil
to

parts
as

required

c

Arrange

pistons
so

that
the
F
mark

on
the

piston
IS
faced
to

the
front
of
the

engine

d
Install

piston
rings
at
18
Y
to

each
other

avoIdIng
to
fit

them
In
the

thrust
and

pIston

pIn
aXial

directIOns

27

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

lenition
Sptem

IGNITION

SECONDARY

COI

L

COI

L
CAP

BREAKER
POTNT

cr

r
7
W

tc

l

uToRI
8
TO

STARTER

l

J
ROTOR

HEAD

SPARK

PLUG

Fig
19

Igmtlon
system
Circuit

diagram

The

IgmtlOn
CirCUIt
conSIsts
of
the
distributor

IgmtIon
cOli

IgmtIon
sWitch

spark
plugs

hIgh
tensIOn

cable
and
the

battery
Figure
76

shows

IgmtlOn
CirCUIt

DISTRIBUTOR

Construction

The
dIstributor

consists
of

high
tension

voltage
part
SWitch
off

part
centrifugal
ad

vancing
angle
part
vacuum
advance

mechamcal

part
and

drlvmg
part

Figures
77
and
78
show
the
constructIOn
and

exploded
view

Checking
and

Adjustment

Cap
and
rotor
head
must

always
be

kept
clean

to

maintain

good
insulation

durability
since

high
tensIOn

voltage
from

IgmtIon
cOil

IS
Im

posed
on
them
SometImes
inside
of
the

cap

and

rotor
head
IS
covered
wIth
fine
carbon

partIcles
and
dust
Whenever
crack
or
trace
of

leakage
IS
found
on
the

cap

replace
w1th

a

new
one

44
Recommended
the
rotor
head
also
be

replaced

wIth
a
new
one
If

excessively
damaged

When

pomt
surface
IS

roughened
due
to
bur

nlng
polish
with
a

fine

emery
paper
No
500

or
600
or
011
stone

When
the

point
IS

worn

excessively
replace
When
the

POIn
IS

replaced
with

a
new
one

apply
grease
to
the

arm

pivot
receiver
and

cam
surface
For

causes
of

damaged
burnt

point
Improper

pomt
contact
msufficlent

point
gap
and

defective
condenser

are
conSidered

The
standard

pomt
gap
IS
0
0177
to

0
0217
m

When

gap
IS
devIated
from
the

standard

gap

adjust
Turn
the
shaft
to

a

posItIon
where
the

breaker

arm
heel
rides
the

cam

lug
a

posItIon

where

pomt
gap
IS
maxImum
loosen
the

gap

adjusting
screw

apply
a
thIckness

gauge
bet

ween
contacts
and

adjust
to
the
standard

pomt
gap

When

measurmg
breaker

pomt

spring
ten

SIOn

apply
sprmg
tensIOn

gauge
to
the

breaker

pomt
and

posItIon
the

sprmg
tenslOn

gauge
m

right
angle
agamst
the
breaker

arm

Ignition
Sptem

The
standard
breaker

pOint

spring
tensIOn

IS

1
1

to
1
4
lb

Replace
If
devIated

Performance
of
condenser
IS
affected

by
Im

proper

setting
contaminatIOn
and
reductIOn

of
In
ulatlOn

resIstance
Thus

pellOdlcal

checking
I
I

eqlJ
lred
to
maintain
the
outlet
of

lead
wire
clean
and
to

prevent
et
screw
from

loosening
Checking
the
condenser

capacIty
IS

checked

USing
a

capacity
meter
It

may
be
also

checked
condenser
Isolate

resl
tance

USing
a

tester

by
adjusting
ItS
I

ange
to
measure

large

I
eSlstance
value

When
the
condenser
IS
normal
the
tester

pOinter
SWings
1m

gely
and

rapIdly
and
moves

gradually
back
to
the
Infimte

SIde
When
the

pOinter
does
not

stay
stili

or
It

points
Zero
In

reSIstance

replacement
IS

necessary

Fig
82

AdJusllng
POint

gap

Fig
83

Measunng
breaker

POint
spnng
tension

g
SPARK
PLUGS

Description

The

spark
plugs
are

of
the
re
lster

type

haVing
0
551
In

threads
and

0031
to

0035
11i

gap

Note
All

spark
plugs
installed

on
an

engme
must

be
of
the

same
brand
and

number
of
heat

range

Inspection

Remove

spark
plug
wIre

by
pulhng
on
boot

not

on
WIre
Itself

Remove

spark
plugs

Check
electrodes
and

Inner
and
outer

por

celams
of

plugs
noting
the

type
of

depOSits

and
the

degree
of
electrode

erO
lOn
Refer
to

Figure
85

Normal
Brown
to

gl

aYlsh
tan

depoSits
and

shght
electrode
wear
indIcate
correct

spark

@

I

Pnmary
terminal

2

Secondary
terminal

3

Cdp

4

Sprang

5
SIde
core

6

Prrmary
coil
7

Secondary
COIl

8
Insulator
011

9

enter
lore

10

Segment

II

Case

Fig
84

Construction

Icnition
Sptem

Ovcrhc
Jtmg

Norm
Jl
i
r

rJ
I

ttr
I
i

V

Carbon
fould

Fig
85

Spark
plug
Life

plug
heat

range

Carbon
fouled

Dry
fluffy
carbon

depo
lts
on

the

Insulator
and
electrode

were

mostly

caused

by
slow

speed
dnvlng
In

cIty
weak

Ig

nltlOn
too
nch
fuel

mixture

dirty
aIr
cleaner

etc

It
IS
advIsable
to

replace
WIth

plugs
havmg

hotter

heat

range

011

fouled
Wet
black

depoSits
show

excesSive

oIl
entrance

Into
combusllon

chamber

through

worn

rmgs
and

pIstons
or
excessIve
clearance

between
valve

gUIdes
and

stems
If
the

same

condition

remams
after

repair
use
a
hotter

plug

Overheatmg
WhIte

or

hght
gray
msulator

WIth

black
or

gray
brown

spots
and

blUIsh

burnt
electrodes
indIcate

engme
overheatIng

Moreover
th
e

appearance
results
from
in

correct

IgnitIon

tIming
loose

spark
plugs
low

guel
pump
pressure
wrong
selectIOn

of
fuel
a

hotter

plug
etc

It
IS
adVisable
to

replace
WIth

plugs

havmg

colder

heat

range

After

cleaning
dress

electrodes
With

a
small

fine
file
to
flatten

the
surfaces
of
both

center

and
Side

electrodes
In

parallel
Set

spark
plug

gap
to

specification
FIg
86

Settmg
spark

plug
gap

Install

spark
plugs
and

torque
each

plug
to
11

to
15
ft
Ib

Connect

spark
plug
wires

Cleaning
and

Regap

Clean

spark
plugs
In

a
sand

blast

type

cleaner
A
VOId

excessIve

blasting
Clean
and

remove
carbon

or
OXide

depoSits
but
do
not

wear

away
porcelain
If

depos1ts
are
too

stub

born
discard

plugs

After

cleaning
spark
plugs
renew

firing
sur

face
of
electrodes
With
file

mentioned
above

Then

gap
spark
plugs
to
0
030
to
0
035
In

uSing
a
round

wire
feeler

gauge
All

spark

plugs
new
or
used
should

have
the

gap

checked
and
reset

by
bending

ground

electrode

II