battery DATSUN B110 1973 Service User Guide

EMISSION
CONTROL
AND
TUNE
UP

EMISSION
CONTROL
SYSTEM

AN
D

ENGINE
TUNE
UP

CONTENTS

BASIC
MECHANICAL
SYSTEM
ET

Checking
and

adjusting
dash

pot

Adjusting
intake
and
exhaust
valve
automatic
transmission
model

only
ET
9

clearances
ET
1

Checking
carburetor
return

spring
ET
9

Checking
and

adjustin9
drive
belt
ET
2

Checking
choke
mechanism
choke
valve

Retightening
cylinder
head
bolts
manifold
and

linkagel
ET
9

nuts
and
carburetor

securing
nuts
ET
2

Checking
anti

dieseling
solenoid
ET
9

Checking
engine
oil
ET
2

Replacing
fuel
filter
ET
10

Replacing
oil
filter
ET
3

Checking
fuel
lines
hoses

pipings

Changing
engine
coolant
L
L
C
ET
3
connections
etc
ET10

Checking
cooling
system
hoses
and
THROTTLE
OPENER

CONTROL
SYSTEM

ET
10

connections

ET
4
Checking
and

adjusting
throttle

opener
ET
13

Checking
vacuum

fittings
hoses
and
TRANSMISSION
CONTROLLED
VACUUM

connections

ET
4
ADVANCE
SYSTEM

ET
17

Checking
engine
compression
ET
4
Checking
electrical
advance
control

system
ET
19

Checking
exhaust
manifold
heat
control
AUTOMATIC
TEMPERATURE
CONTROL
AIR

valve

ET
5
CLEANER
A
T
C
AIR
CLEANER

ET
20

IGNITION
AND
FUEL
SYSTEM

ET
5
Replacing
carburetor
air
cleaner
filter

ET
20

Checking
battery
ET
5
Checking
hot
air
control
valve

ET
20

Checking
and

adjusting
ignition
timing

ET
5
CRANKCASE
EMISSION
CONTROL

Checking
or

replacing
distributor
breaker
SYSTEM

ET
22

point
condenser
and

spark
plugs
ET
6
Checking
or

replacing
PCV
valve

ET
23

Checking
distributor

ignition
wiring
and

Checking
ventilation
hoses

ET
23

ignition
coil

ET
7
EVAPORATIVE
EMISSION
CONTROL

Checking
distributor

cap
and
rotor

ET
7
SYSTEM
ET
23

Adjusting
carburetor
id
Ie

rpm
and

Checking
engine
compartment
hose

mixture
ratio

ET

8
connections
and
fuel

vapor
control
valves
ET
23

Checking
fuel
tank

vacuum
relief
valve

operation
ET
24

BASIC
MECHANICAL
SYSTEM
1
Start

engine
and
run
it

until
it
is
heated
to

operating

temperature
or
at
least
more
than
800C

I760F
of

engine
oil

temperature
then

stop
engine
Adjusting
intake
and
exhaust

valve
clearances

Valve
clearance

adjustment
should
be
made
while

engine
is

stationary

To

adjust
proceed
as
follows
2
Rotate
crankshaft
to

bring
No
1

cylinder
in

top
dead

center
on
its

compression
stroke

3

Remove
valve
rocker
cover

to

gain
access
to
valve

ET
1

EMISSION
CONTROL
AND

TUNE
UP

reading
cylinders
through
spark
plug
hole

Repeat

compression
check
on
these

cylinders

1

If

compression
improves
considerably

piston
rings

are
defective

2
If

compression
does
not

improve
valves
are

sticking

or

seating
improperly

3
If
two

adjacent
cylinders
indicate
low

compression

and

injecting
oil
on

pistons
does
not
increase

compres

sion
the

cause

may
be
a

cylinder
head

gasket
leak

between
the

cylinders
Engine
oil
and
coolant

in

cylinder
could
result
from
this

problem

Compression
pressure

12
S
to
14
S

kg
cm2

178
to

206

psi
at
3S0

rpm

Checking
exhaust
manifold
heat

control

valve

Check
heat

control
valve
for

proper
operation
If
it

does
not

operate
properly
trouble
is
due
to

excess
carbon

on
shaft
or

damaged
shaft
Clean
if

necessary
The
bimetal

should
be
also
checked
for

proper
function

IGNITION

AND

FUEL
SYSTEM

Checking

battery

Check

electrolyte
level
in
each

battery
celL

L

Unscrew
each

filler

cap
and

inspect
fluid
leveL
If

fluid

level
is

low
add

distilled
water
to

bring
level

up
to

app
roximately
10
to
20

mm
0

3937
to
0
7874
in
above

plates
Do
not
overfilL

2
Measure

specific
gravity
of

battery
electrolyte
ET002

Fig
ET
B

Checking
the

specific
gravity
of

battery
electrolyte

Permissible
Full

charge
value

value

at
200C
68OF

Frigid
climates
Over
1
22
1
28

Tropical
climates
Over
1
18
1
23

Other
climates
Over
L
20
1
26

Clean
the

top
of

battery
and
terminals
with
a
solu
lion

of

baking
soda

and
water
Rinse
off
and

dry
with

compressed
air

The

top
of

battery
must
be
clean
to

prevent
current

leakage
between
terminals
and
from

positive
terminal
to

hold
down

clamp

In
addition
to
current

leakage
prolonged
accumulation

of

acid
and
dirt
on
the

top
of

battery
may
cause

blistering

of

the
material

covering
connector

straps
and
corrosion

of

straps
After

tightening
terminals
coat
them
with

petro

laturn

vaseline
to

protect
them
from
corrosion

Checking
and

adjusting
ignition

timing

I

Check

spark

plugs
and
distributor
breaker

points
for

condition

2

Thoroughly
wipe
off
dirt

and
dust
from

timing
marks

on
crank

pulley
and
front

cover

3
Warm

up
engine
sufficiently

ET
5

EMISSION

CONTROL
AND
TUNE
UP

Ignition
switch

0

Speed
switch

Ignition
switch

6

Transmission
A12

Engine
with
Manual
Transmission

l

Battery

J

Below
10

mph

switch

ON
To
throttle

opener

Servo

diaphragm

Needle
valve

To
air
cleaner
To

intake

manifold

f

Vacuum
control

valve

p

Throttle

opener

noid

ON
Car

speed
below
16
km
h
10
MPH

OFF

Car

speed
above
16
km
h
10
MPH

A12

Engine
with
Automatic
Transmission

Inhibitor
switch
1

J
Battery

To
intake

manifold

t

ET
11
OFF
ON

Fig
BY
16

Schematic

drawing
of
throttle

opener
system
To
throttle

opener

Servo

diaphragm
Vacuum
control

valve

P

Throttle

t
opener

solenoid

7
7

ON
transmission
in
N
and
P

positions

OFF
Transmission
in
0

position

ENGINE

Gear
Vacuum
advance
Note

R
No

1st
No

2nd
No

3rd
No

4th
Yes
Immediately
after

starting
the

engine
in
cold

weather
vacuum
advance
is
available

for
all

gear

positions

A12

Engine
with
Manual
Transmission

Distributor

Ignition
switch

8

1

J
Battery
Thermo
switch

9

Transmission

L

r
l

r
Vacuum
advance
unit

To
carburetor

Needle

valve

OFF

l
To
air
cleaner

ON

Vacuum

cutting
valve

solenoid

Top
switch

Top
off
I

7
1

OFF
Vacuum
actuated

ON
Vacuum
eminated

into

atmosphere

Fig
ET
28

Schematic

drawing
of
transmission
controlled
vacuum

advance

system

When

electric
current
flows

through
the

vacuum

cutting
valve

solenoid
the
needle
valve

opens
and
intro

duces
air
from
the
air
cleaner
into
the
vacuum
advance

unit

of
the
distributor

through
the

vacuum
hose
and
the

vacuum
advance
is
eliminated
When
the
vacuum

cutting

valve
solenoid
is

deenergized
the

needle
valve

closes
and

the
vacuum
created

by
the
carburetor
is

introduced
into

the

vacuum
advance
unit
of
the
distributor
to

provide

usual
vacuum
advance

The

Top
switch
located

on
the
transmission
case

operates
so
as

to

interrupt
the
flow

of
electric
current

when
the

gear
is

placed
into

Top
but

allows
it

to
flow

in

other

gear
positions

Fig
ET
29

Top
switch
installation

ET
18

EMISSION
CONTROL
AND
TUNE
UP

SERVICE
DATA
AND

SPECIFICATIONS

Valve

clearance

Hot
Intake

Exhaust
mm
in

rom

in

rom
in

kg
lb
0
35
0
014

0
35
0
014

10
to
15
0
394
to
0
591

10
22

Fan
belt
tension

Tightening
torque
Cold

Cylinder
head
bolts

kg
m

ft
lb

1st

turn

2nd
turn

Re

tightening
torque
Hot

Manifold
nuts

Carburetor
nuts
4
0

to
4
5

29
to
33

5
5

to
6
0
40

to
43

6
0

to
6
5
43

to
47

0
9

to
I
4

6
5
to
10

0
5

to
1
0
3

6
to
7
2

1
5

to
2
0
II
to
14

Spark
plugs

Oil

capacity
of

engine
including
oil
ftIter

Maximum
L

US

gal
Imp
gal

L

US

gal
Imp
gal
3
3

U
14

2
3

Ii
Minimum

Water

capacity
of

cooling
system

Without
heater

L
US
gal

Imp
gal

With
heater

L

US

gal
Imp
gal
4
2
1

U

4
9

I
4
11

12
5

to
14
5

I78
to
206
350

Compression
pressure
at

rpm
kg
em

psi

Battery
specific
gravity

Permissible
value
Fully
charged
value

at
200C
680F

Frigid
climates

Tropical
climates

Other

elima
tes
Over
1
22

Over
1
18

Over
1
20
1
28

1
23

1
26

Ignition
timing
degree

Distributor
50
B
T
D
C

Condenser

capacity
mm
in

degrees

IlF
Micro
Farad
0
45
to

0
55
0
018

to
0
022

49
to
55

0
22

5
Point

gap

Dwell

angle

Condenser
insulation
resistance
Mil

Mega
ohms

ET
25

ENGINE

Spark
plugs

Cap
mm
in
0
8
to
0
9
0
03110
0
035

Idle
CO
ldie

speed

Manual
transmission

rpm

rpm
1
5

to
5
800

1
5
to
5

650
in
D

position
Automatic
transmission

Dash

pot

Setting

engine
speed

rpm
1
900

to
2
000

Throttle

opener
at
sea
level

Setting
vacuwn

pressure

Manual
transmission

Automatic
transmission

Setting

engine
speed
no
load

Servo

diaphragm
full
stroke
rpm

mm
in
500
to
540
19
7

to
21
3

480
to
520

18
9
to
20
5

1
650
to
1
850

5
0
1969
mmHg
in
Hg

mmHg
in
Hg

Theono
switch
Temperature
rises

from
low
to

high
oC
0

F
above
5

41

Flow

guide
valve

Opera
ting

pressure
mmHg
in

Hg
10
0
4

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Troubles
Possible
causes
Remedies

CANNOT
CRANK

ENGINE
OR
SLOW

CRANKING
Improper
grade
oiL
Replace
with

proper
grade
oiL

Discharged
battery
Charge
battery

Defective

battery
Replace

Loosen
fan
belt
Adjust

Trouble
in

charge
system
Inspect
charge
system

Wiring
connection
trouble
in

starting
circuit
Correct

Defective
starter
switch
Repair
or

replace

Defective
starter
motor
Repair
or

replace

ET
26

I

EMISSION
CONTROL
AND

TUNE
UP

Trouble

shooting
procedure
on

starting
circuit

Switch

on
the

starting
motor

with

light
put
on

When

light
goes
off
or
dims

considerably

a
Check

battery

b
Check
cable
for
connection

c

Check
starter
motor

When

light
stays
bright

a
Check

wiring
connection
between

battery

and
starter
motor

b

Check
starter
switch

c
Check
starter
motor

ENGINE
WILL
CRANK
NORMALLY
BUT
WILL
NOT
START

In

this
case

following
trouble
causes

may
exist
In

the
most
causes

ignition
system
or

fuel

system
is
in
trouble

Ignition
system
in

trouble

Fuel

system
in
trouble

Valve
mechanism
does
not

work

properly

Low

compression

Check

spark
plug
first
in
accordance

with
the

following

procedure

Disconnect

high
tension

cable
from
one

spark
plug
and
hold

it

about
10
rom

0
4
in

away
from
the

engine
metal

part
and

crank
the

engine

Good

spark
occurs
a
Check

spark
plug

b
Check

ignition
timing

Check
fuel

system

d
Check

cylinder
compression

No

spark
occurs
Check

the
current
flow

in

primary
circuit

Very
high
current

Inspect
primary
circuit
for
short

Check
breaker

point
for

operation

Low

or
no
current
Check
for
loose
terminal
or
disconnection

in

primary
circuit

Check
for

burned

points

Ignition
system
in
trouble

Burned
distributor

point
Repair
or

replace

Improper
point
gap
Adjust

Defective

capacitor
Replace

Rotor

cap
and
rotor
leak

Replace

ET
27

ti

DATSUN

1200

MODEL
B
11

0
SERIES

L
NISSAN

I

NISSAN
MOTOR
CO

LTD

TOKYO
JAPAN
SECTION

EE

ENGINE

ELECTRICAL

SYSTEM

BATTERY

STARTING
MOTOR

CHARGING

CIRCUIT

ALTERNATOR

REGULATOR

IGNITIO
N

CIRCUIT

DISTRIBUTOR

IGNITION
COIL

SPARK
PLUG
EEl

EE
3

EE

15

EE

16

EE

23

EE

29

EE
29

EE

36

EE

37

ENGINE
ElECTRICAL
SYSTEM

BATTERY

CONTENTS

REMOVAL

CHECKING
ELECTROLYTE
LEVEL

CHECKING
SPECIFIC
GRAVITY
EE
1

EE
l

EE
1

REMOVAL

Disconnect
the

negative
terminal

first
and
then

the

positive
terminal

2
Remove
the
retainer
nuts
and
take
off

retainer

3
Release

retainer
bolts
and

remove

battery

CHECKING

ELECTROLYTE
LEVEL

Adjust
the

electrolyte
level
in
the

battery
when
the

battery
is
in
a

fully
charged
condition
The

electrolyte

hould
maintain
its
indicated

correct
level

in
the

battery

N
water
other
than

distilled
water
should
be
added

Q

cD

I

1
Vent

plug

2

Electrolvte

3
Level
indicator

Fig
EE
1

ElectTolyte
level

CHECKING
SPECIFIC
GRAVITY

The

specific
gravity
of
the

battery
liquid
is
measured

by
means
of
a

hydrometer
When

according
to

the
table

described

later
the

charging
of

the

battery
is
below

60

percent
the

specific
gravity
is
below
1

20
as
corrected

at

200e
680F
and
also

when
the
difference
in

the

specific
CHARGING

BATTERY
FREEZING
EE
2

EE
3

gravity
of

the
individual
cells
is
above
0
025
the

battery

must
be

changed
or

adjusted

tl

f

ead

p
level

jSCale
2

II

It
I
TheTmat

gauge

I
2

Hydrometer

Fig
EE
2

Checking
specific
gTavity

Temperature
conversion
in

measuring

specific
gravity

The
standard

specific
gravity
of
the

electrolyte
is

obtained
when
the

battery
is

fully
charged
at
an
electro

lyte
temperature
of
200

e
680
F

When

temperature
rises
loe
1
80F
the

specific

gravity
decreases
0

0007
and

reversely
when

temperature

drops
loe
I
ROF

the

specific
gravity
increases

0
0007

Therefore

assuming
the

specific
gravity
at
tOe
is

St

S20

the

specific

gravity
at
200e
680F

is
calculated

according
to

the

following

expressions

S

o
St

0
0007
t
20

If
0

0007
t
20
is
X

S

o
St
X

Accordingly
if
X
is
known
beforehand
S

o
can
be

obtained

easily
The
values
of
X

are
shown
in
the

following
table

EE
1

ENGINE

Temperature

Oc
of
Temperature

C
F
x
Temperature

Oc
F
x

0
32
0
0
014
14
572
28

82
4

0

004
0

006

33
8
IS
59
0
19

I
84
2

0
013

2

35
6
16
60
8

0
003
30
86
0

0
007

3

37
4
0
012
17
61
6

0
001
31
87
8

0
008

4

39
2
18
64
4

32
89
6

0
011

0
001

5
41
0
19

66
2

33
91
4
0
009

6
42
8
0

010
20
68
0

0
34
93
2
0
010

7
44

6
0
009
21
69
8
35
95
0

0
001
0
01l

8
46
4
22
71
6
36
96
8

0
008

9
48
2
23

73
4
0

002
37
98

6
0
012

10
50
0
0
007
24

75
2

0
003
38
100
4

0
013

II

51
8
25

77
0

39
t02
2

0
006

0
004

12
53
6

16
78
8
40

104
0

0
Ot4

13
55
4
0

005
27
80
6
0

005

The
state

of

discharge
of

the

battery
can
be
determined

by
checking
the

specific
gravity
according
to
the
follow

ing
table
The

electrolyte
level
should
be

satisfactory

U

tn

l

k
1

I
P

I

IZf

I
r7

42
I

bt
7

J
I
I

11
0

I
M
I

L
J
I

10
20
30
0
50

60
70
aD
90

100

Charging
condition

Fig
EE
3

Charging
condition

CHARGING

When
the

specific
gravity
of
he

electrolyte
is

below

1

20
with

the

electrolyte
level

being

satisfactory
it
is

necessary
to

recharge
the

battery
Whenever
a

quick
x

Converted

specific
gravity
520

V

9d

f

o
1

28

u
1
6

c

E

1
24

l
22

o

0

U5

S

I

1

1
2

1
10

1

NON
M

i

Electrolyte

temperature
lOCI

charge
is
carried
out
the

negative
terminal
of
the

battery
must
be
disconnected
The
corroded
terminal

posts
of
the

battery
should
be
cleaned
with
warm

water
of

bicarbonate

of
soda
solution

prior
to

charging
The

following

points
should
be
observed
in

charging

If
the
electrolyte
level
is

below
the

plates
add

distilled
water

2
Remove
all
the
vent

plugs
and

keep
them

at
a

particular
place

3

Keep
the

electrolyte

temperature
below
450C

l130F
during
charging

4

During
charging
the

voltage
increases

gradually
until

it

reaches
the

particular
maximum
value
2
5

Vice
II
The

charging
is

completed
when
this
value

stays
almost

constant
for
more
than
one
hour
and
all
cells

gas
freely

EE
2