warning DATSUN 210 1979 Service Manual

FO
REWO
RD

TJili
service

manual
has
been

prepared
for
the

purpose
of

assisting
service
personnel
of

authorized
NISSAN

DATSUN
dealerS
in

providing
effective
service
and
maintenance
of
the

1979

DATSU
II210

Since

proper
maintenance

and
service
are

absolutely
essential
in

satisfying
the
DATSUN

owners
this
manu31
should
be

kept
in
a

handy
place
for

ready
reference
and
should
be

carefully
studied

t

This
manual
includes

procedures
for
maintenance

adjustments
minor
service

operations

removal
and
instaUation
and
for

rli

mblyand
assembly
of

components

Some
of
these
service

opemtions
require
the
of

Special
Tools

especially
designed
for

effective

performance
of
service

operations

The

special
tools

are

presented
at
the
end
of
each
section

As

you
read

through
the

l
lIintenance
procedures
inthis
service

m3
lual
y
lu
w
ll

occasionally
come
across

paragraphs
headed
NOTE

CAUTION
or
WARNING
A
NOTE
is

supplemental
information
that

is
important
to
a

particular
procedure
CAUTION
and

WARNING

warn
of

steps
that

must
be
fonowed

to

prevent
damage
to
some

part
of
the
car

and
or

personal
injury

The

Quick
Reference
Index

on
the

first

page
enables
the
user

to

quickly
locate
the

desired
section
At
the

beginning
of

each
individual
section
is
a
table
of

contents
which

gives
the

page
mimber
on
which

each

major
subject

begins

An
information
illustrations
and

specifications
contained
in
this
manual
are
based
on

the
latest

product
information
available
at
the
time
of

publication
approval
If

your

DATSUN
model

differs
from
the

specificationS
contained
in
this
manual
consult

your

NISSAN
DA
TSUN

dealer
for
information

Rights
for
alteration
at

any
time
of

specifications
and
methods
are
reserved

liability
for

any

personal
injury
or

property
damage
occasioned

by
the

use
of

this

service
manual
in

effecting
maintenance
or

repair
of

Y
1
r
DATSUN
is
in
no

way
assumed

by

Nissan
Motor

Co
td

Accordingly
anyone
using
a
service

procedure
or
tool

which
is

not

specifically

recommended

by
NISSAN
must
first

completely
satisfy
himself
that
neither
his

safety
nor

the
car
s

safety
will

be

jeopaiiliiedby
the
service
method
selected

NISSAN

MOTOR
Co
lTD

17
1
G11ZlI6
chomo

chuD
kil

TokyO
l04
J
n

@
1978
N1SSAN
MOTOR

CO
LTD

Printed
in
Japan

Not
to
be

reproduced
in
whole

or
in

part
without
the

prior

writtenpermisUon
of
Nissan
Motor

Company
Ltd

Tokyo

Japan

General
Information

LIFTING
POINTS
AND
TOWING

PANTOGRAPH
JACK

Place
wheel
chocks
at
both
front

and

back
of
the
wheel

diagonally

opposite
the

jack
position

GIOB5

Fig
GI
I
I
Wheel
Chocks

Apply
the

pantograph
jack
fur

nished
with
the
car

to
the

position

indicated
below
in
a
safe
manner
See

Fig
GI
12

WARNING

a
Never

get
under
the
car
while
it

is

supported
only
by
the

jack

Always
use

safety
stands
to

support
frame
when

you
have
to

get
under
the
car

b
Block
the
wheels

diagonally
with

wheel
chocks

Jack

up

TROSO

Fig
GI
12
Jack

Up
Points

GARAGE

JACK
AND

SAFETY
STAND

WARNING

When

carrying
out

operations
with

the

garage
jack
be
sure
to

support

the
car
with

safety
stands
FRONT
SID
E

I
When

jacking
up
the

front
of
the

car

place
the
chocks
behind
the
rear

wheels
to

hold
them

2

Apply
the

garage
jack
under
the

front

suspension
member
Be

sure
not

to

lift

up
the

engine
oil

pan

GI372

Fig
GI

13
Front
Jack

Up
Point

3
Jack

up
the

car
gently

just
high

enough
to

place
the

safety
stands

under
both
the

side
members
Place

the
stands

at
the

position
indicated
in

Fig
GI
14

GI373

Fig
GI

14
Front

Supportable
Point

4

Release
the

jack
slowly

REAR

SIDE

When

jacking

up
the
rear
of
the

car

place
the
chocks
at
the
front
side

of
the
front
wheels
to
hold
them

2

Apply
the

garage

jack
under
the

differential
carrier

1
1

Il

GI378

Fig
GI

15
Rear
Jack

Up
Point

GI
9
3
Jack

up
the
car

gently
just
high

enough
to

place
the

safety
stands

under
the

rear
axle
case
or

body

Place
the
stands

at
the

positions

indicated
below

GI379

Fig
GI
16

Rear

Supportable
Point

Rear
axle
c
rue

GI392

Fig
01
17

Rear
Supportable
Point

Body

TOWING

CAUTION

a
It
is

necemry
to
use

proper
towing

equipment
to
avoid

possible
dam

age
to
the
car

during
a

towing

operation

Towing
is
in
accordance
with

Tow

ing
Procedure
Manual
at
dealer
side

b
All

applicable
State
or
Provincial

in
Canada
laws
and
local
laws

regarding
the

towiilg
operation

must
be

obeyed

FRONT
SIDE

Front

towing
hooks
are

provided

on

both
front
side
members

sion

pressure
chances
are

that

piston

rings
are

worn
or
damaged

2

If

pressure
stays
low

the
likeli

hood
is
that
valve
is

sticking
or

seating
Engine
Tune

up

improperly

3

If

cylinder
compression
in

any

two

adjacent
cylinders
is
low

and
if

adding
oil
does
not

help
the

compres
sion
there
is

leakage
past
the

gasketed

surface

Oil
and

water
in
combustion
cham

bers
can
result
from
this

problem

IGNITION
AND

FUEL
SYSTEM

CHECKING
BATTERY

I

Remove
six
vent

plugs
and
check

electrolyte
level
in
each

battery
cell
If

necessary
pour
distilled
water

Overflow
Correct

Shortage

t
t
j

t

t
t

EE358

Fig
ET
6

Checking
Electrolyte

Level
2
Measure
the

specific
gravity
of

battery
electrolyte

E
T372

Fig
ET
7

Checking
Specific
Gravity

of
Battery
Electrolyte

Over
1
22
Full

charge
value

at
200C
680F

1
28

1
26
Permissible
value

Frigid
climates

Other
climates

Note

a
Clean

top
of

battery
and

terminals

with
a

solution
of

baking
soda
and

water
Rinse
off
and

dry
with
com

pressed
air

Top
of

battery
must

be

c1
n
to

prevent
current

leakage

between
terminals
and
from

posi

tive
terminal
to
hold
down

clamp

b
In

addition
to
current

leakage

prolonged
accumulation
of
acid
and

dirt

on

top
of

hattery
may
cause

blistering
of
the
material

covering

ronnector

straps
and
rorrosion
of

straps

c
Afte
r

tightening
terminals
coat

them
with

petrolatum
vaseline
to

protect
them
from
corrosion

CAUTION

If
the

battery
cables
are
disconnected

they
should
be

tightly
clamped
to
the

battery
terminals
to
secure
a

good

contact
Over
I

20

CHECKING
AND

ADJUSTING

IGNITION
TIMING

Check

spark
plugs
for
condition

2

Thoroughly
remove
dirt
and
dust

from
crank

pulley
at

timing
mark

location

and
front
cover
at

timing

indicator

3
Warm

up
engine
sufficiently

4
Connect

engine
tachometer
and

timing
light
in
their

proper
positions

5

Adjust
idling
speed
to
the

specifi

ed
value

Idling
speed

Manual
transmission

700

pm

Automatic
transmission

6S0

rpm

in
0

position

ET
S
WARNING

When
selector
lever
is
shifted
to

0

position
apply
parking
brake

and
block
both
front
and
rear

wheels
with
chocks

Note

a
On
FU
models

set

idling
speed

with

distributor
vacuum
hose
dis

connected

b
Disconnect

distributor
vacuum

hose

at

distributor

diaphragm
side
and

plug
hose
with
blind

plug
See

Fig

ET
8

ET501

Fig
ET

B
Disconnecting
Distributor

Vacuum
Hose

6
Check

ignition
timing
with
a

timing
light
to
ensure
that
it
is

adjust

ed
to

specifications
indicated
below

Ignition
timing

Manual
transmission

SO
B
T
0
C
f700

rpm

California
FU
models

100
B
T
0
C
f700

pm

Non
California
Canada

models

Automatic
transmission

SO
B
T
0
C
f6S0

rpm

California
models

CHECKING
AND

ADJUSTING

CARBURETOR
IDLE

RPM
AND
MIXTURE

RATIO

WARNING

a
0

n
a
utomatic
transmission

models
checks
should
be

per

formed
with
the
lever
shifted
to

the
0

position
Be
sure
to

engage
parking
brake
and

to
lock

both
front
and

rear
wheels
with

wheel
chocks

b

Oepress
brake

pedal
while
ac

celerating
the

engine
to

prevent

forward

surge
of
car

c
After
idle

adjustment
has
been

made
shift
the
lever
to
the
N

or
P

positfon
and

remove

wheel
chocks

CAUTION

00
not

attempt
to
screw
the
idle

adjusting
screw
down

completely
00

ing
so
could

cause

damage
to

tip

which
in
turn
will
tend
to
cause

malfunctions

Note

a
When

measuring
CO

percentage
in

sert

probe
into
tail

pipe
more
than

40
cm

15
7

in

b
In

thee
case
of
air

conditioner
e

quipped
models
the
idle

adjust

ment

should
be
carried
out
while

the
air

conditioner
is

OFF

c
When
making
idle

adjustment
do

not

removt
air
cleaner

CO

Idle
adJustment

with
CO
meter

Idle
mixture

adjustment
requires

the
use
of
a
CO
meter

especially
for

California
models
When

preparing
to

adjust
idle
mixture
it
is

essential
to

have

the
meter

thoroughly
warmed

up

and
calibrated

1

Check
carburetor

pipes
for

proper

connection

2
Warm

up
engine
until
water
tern

perature
indicator

points
to
the
middle

of

gauge
The

procedure
to
warm

up

J
Engine
Tune

up

engine
is
not

specifically
recom

mended
Either

driving
car
or

operat

ing
engine
at
no
load
will
be

good

3
Make
sure

that
water

temperature

indicator

points
to
the

middle
Further

keep
engine

running
at
about
2
000

rpm
for
about
5

minutes
without

applying
load
to

engine
in
order
to

stabilize

engine
condition

Engine

hood
should
be

open

4
Run

engine
for
about

10
minutes

at

idling
speed

During
this
10

minutes

proceed
as
described
in

steps

5

to
9
below

5

I
Disconnect
air
hose
from
air

check
valve
and
install

cap
on
air

check

valve

Except
Canada
and
FU

models

EF244

Fig
ET
11
Disconnecting
Air
Hose

from
Air
Check
Valve

Except
Canada
and
FU
models

Canada
and
FU
models

2

Disconnect
air

hose
from
air

induction

pipe
and
install

cap
on
air

induction

pipe
Canada
and
FU
mod

els

EF849

Fig
ET
12

Installing
Cap
on
Air

Induction

Pipe

FU
models

3

On
FU
models
disconnect
dis

tributor
vacuum
hose
at
distributor

diaphragm
side

and

plug
hose
with

blind

plug

ET
7
ET501

Fig
ET
13

Disconnecting
Distributor

Vacuum
Hose

6
Race

engine
I
500

to
2
OOO

rpm

two

or
three
times

under
no
load
then

run

engine
for

one
minute

at

idling

speed

7

Adjust
throttle

adjusting
screw

until

engine
is
at

specified
speed

Engine
speed

Manual
transmission

700
rDm

Automatic

transmission

in
0

position

650

rpm

2

Fig
ET
14
Throttle
Adjusting
Screw

and
Idle

Adjusting
Screw

8

Check

ignition
timing
If
neces

sary
adjust
it
to

specifications

This

operation
need
n
t
be
carried

out
at
1
600
km
1

000
miles
service

Ignition
timing

Manual
transmission

50
B
T
0
C
f700

rpm

California
FU
models

100

B
T
O
C

noo

rpm

Non
California
Canada

models

Automatic
transmission

in
0

position

50
B
T
0
CJ650

rpm

California
model

make

sure
throttle
valve

operates

click

sound
is
heard

or

continuity

turns
to

OFF
when

engine
speed

decrease
to

idling

If

not

adjust
throttle
valve
switch

Fig
ET
19

AdjlUting
Throttle
V
ve

Switch

FU
models

If
throttle

valve
switch

g1f1not
be

adjusted
to

specification

replace
Engine
Tune

up

Note

If
it
is
difrlCUlt
to

judge
open

tion
of
throttle
valve

switch

by

hearing
Click
sound
caused

by

microswitch
check

as
follows

1

DiscollI
ecl

throttle
va1ve

switch

ronnector

and
connect
circuit

tester
to
throttle
va1ve
switch

2

Run

engine
under

no
load

Increase

engine
speed
slowly
and
make
sure

it
is

within
the

specified
range
when

throttle
valve
switch
is
turned

on

Then
decrease

engine
speed
slowly

and
make
sure
it
is

within
the

specified
range
when
throttle
va1ve

switch
is

turned
off

If
not

adjust
throttle
valve
switch

3
Make

sure

continuity
of
throttle

vaIve
switch
turns

to
OFF
in
the

operation
desaihed

in

step
6

Engine
operation
Engine
speed
when

throttle
valve

switch

operates
Throttle

valve
switch

continuity

When

engine
speed

increases
1

150
i200

rpm

1

000
1
200

rpm
When

engine
speed

decreases

REPLACING

FUEL

FILTER

I

Check
for
a

contaminated
filter

and

water

deposit

0

9

ET011

Fig
ET
20
Fuel
Filter

All

engines
use
a

replaceable
car

tridge
type
fuel
filter
as
an

assembly

2

Replace
fuel
filter
in
accordance

with
maintenance

schedule
OFF

ON

ON

OFF

CHECKING

FUEL

LINES

Hoses

piping

connections
etc

Check
fuel
lines
for

loose
connec

tions
cracks

and
deterioration
Re

tighten
loose

connections
and

replace

any
damaged
or

deformed

parts

REPLACING
AIR

CLEANER
FILTER

Viscous

paper
type
air

cleaner
filter

does

not

require
any
cleaning
opera

tion
until

it
is

replaced
periodically

Sushing
or

blasting
operation
will

cause

clogging
and

result
in

enrich

ment
of
carburetor

mixture
and

should
never
be

conducted

Replace
air

cleaner
filter
in

accord

ance
with
maintenance

schedule

ET
10
CHECKING

AUTOMATIC

TEMPERATURE

CONTROl
AiR

CLEANER

I
Check

that
vacuum
hoses

Intake

manifold
to
3

way
connector
3

way

connector
to

temperature
sensor

3

way
connector
to
idle

compensator

temperature
sensor
to
vacuum
motor

are

securely
connected
in

C9rrect

posi

tion

2

Check
each
hose
for

cracks
or

distortion

3
Check
A
T
C

system
for
function

by
proceeding
as
follows

ConfIrm
that

engine
is
cold
before

starting
test

With

engine
stopp
d

distonnect

fresh
air

duct

Place
a

mirror
at

the
end
of
air

c1eaner
inlet

pipe
as

shown
and
check

to

see
if
air

control

valve
is
in

correct

pOsition

2J

v
7

EF210

Fig
ET
21

Inspecting
Valve
Position

Air

control

va
ve
is
in

correct

posi

tion

if
its

cold
air
inlet
is

open
and
hot

air

inlet
is

closed

4

Start

engine
and

keep
idling

Immediately
after

engine
starting

check
air
control

valve
for
correCt

position
as
described
above
In

this

case
correct

position
of
air

control

valve
is

the
reverse
of

step
3
under

hood
air
inlet
is

closed
and
hot
air

inlet

is

open

5

Check
that
air
control

valve

gradually
opens
to
cold
air
inlet

side
as

engine
warms

up
When
environmental

temperature
around

temperature

sensor
is

low

spend
more
time
for

engine

warning
up
operation
of

facili

tate
smooth

operation
of
air

control

valve

If
the

above

test
reveals

any
prob

lem

in
the

operation
of
air

control

valve

carry
out
the

further

inspection

described
in

Section
EF

EMA
54

Fig
EM
7

Cylinder
Head
Bolt

Looaening
S
quence

Fig
EM

8
Removing
Cylinder
Ht
ad

Note
Do
not

pry
between
head
and

block
as

gasket
surfaces
may
be

come

damaged

31
Invert
engine

32
Remove
oil

pan
and
oil
strainer

33
Invert

engine

34
kemove
water

pump

35

Remove
crank

pulley
and

timing

chain
cover

EMA
55

Fig
EM
9

Removing
Timing
Chain

Cover

36
Remove
i1
thrower
and

chain

tensioner

37

LQ9sen
camshaft

sprocket
bolt

and
remove
both

procket
and

timing

chain
an

assembly

3

Remove

connecting
rod

caps

and

push

piston
and

connecting
rod

assemblies

out
of
the
bores
Engine
Mechanical

hi

r

EM456

Fig
EM

l
0
Remooing
Piston
and

Connecling
Rod

Assembly

Note
Numbers
are

stamped
on
con

necting
rod
and

cap
rllnding

to
each

cylinder
Care
should
be

taken
to
avoid

wrong
comhination

including
bearing

39

Remove

flywheel
and
rear

plate

WARNING

When

remnving
flywheel
be

careful

not
to

drop
it

40

Gradually
loosen
main

bearing

cap
bolt
in

two
or
three

stages
and

remove

caps
See

Fig
EM
II

I

l
P

@
D

M458

Fig
EM
ll
Main

Bearing
Cap
Bolt

Loo

ning
Sequ
nce

41
Remove
rear
oil
seal

42
Lift
out
crankshaft

43

Remove
main

bearings
from

block
and

bearing
caps

44
Remove
baffie

plate
and
tee

net

EM460

Fig
EM
l2

Remooing
Baffle
Plate

and
Steel
Net

EM
4
45
RemoVe
camshaft

plate
Careful

ly
remove
camshaft

by

pulling
it
to

ward
the
front
of

engine

EM461

Fig
EM
j3
Camshaft
Plate

46
Remove
valve
lifter
and

keep

them
in
order

PISTON
AND

CONNECTING
ROD

I
Remove

piston
rings
with
a

ring

remover

EM292

Fig
EM
14

Remooing
PUton

Ring

2
Press
out

piston
pin
with
Piston

Pin
Press
Stand
KVIOIOS300

EM103

Fig
EM
15
R

moving
Piston
Pin

Note

Keep
disassembled

parts
in

order

DATSUN
210
Model
8310
Series

SECTIONEL

ENGINE
LUBRICATION
SYSTEM

CONTENTS

ENGINE
LUBRICATION
SYSTEM

LUBRICATION
CIRCUIT

01
L
PUMP

OIL
PRESSURE
REGULATOR
VALVE

OIL
PRESSURE
RELIEF
VALVE

OIL
FILTER

OIL
PRESSURE
WARNING
SWITCH
EL
2

EL
2

EL
3

EL
4

EL
4

EL
4

EL
4
SERVICE
DATA
AND

SPECIFICATIONS

TROUBLE
DIAGNOSES
AND

CORRECTIONS

SPECIAL
SERVICE
TOOL
EL
5

EL
5

EL
6

Not

Pump
rotors
and

body
are
not
serv

iced

separatdy
If

pump
rotors
or

body
are

damaged
or

worn

replace

ment
of
the
entire
oil

pump
assembly

isnecessary

OIL
PRESSURE

REGULATOR
VALVE

The
oil

pressure
regulator
valve
is

not

adjustable
At
the
released

posi

tion
the
valve

permits
the
oil
to

by

pass
through
the

passage
in
the

pump
cover
to
the
inlet
side
of

the

pump
Check

regulator
valve

spring
to

ensure

that

spring
tension
is
correct

no

1

Regulator
valve

2
Relief

valve

3
Valve

spring
E
L045

Fig
EL
5

Regulator
and
Reli
Vatv
Engine
Lubrication
System

8Peciflcatlons

Oil

pressure

At

idling

more
than

O

Blrg
an2
11

psi

At

3
000

rpm

3
B
to
5
2lrg

an2

54
to
74

psi

Regulator
ai

spring

Free

length

43
49
rom
1
7122
in

InstoJlod
l

ngth
load

30
3
mm
3
67

kg

1
193

inJB
09lbl

Regulator
val

o

ning
pressur

3

8
to
4
2

lrg
an2

54
1060

psi

OIL
PRESSURE

RELIEF
VALVE

The
relief
valve
located
in

the
oil

pump
cover

by
passes
the

oil
into
the

main
oil

gallery
when

the
oil
filter

elem
nt
is

exCessively
clogged
With

regula
tor
valve
removed
check
valve

for

operation
See

Fig
EL
5

OIL
FILTER

tEMOVAL

Place
a
suitable
container
under
the

f1lter

Unscrew
f1lter
from
oil

pump
cover

flange
using
Oil
Filter
Wrench

STl9320000

EL
4
Fig
EL
6

Removing
Oil
Filter

INSTALLAnON

I
Coat

the

packing
on
the
new

f1lter
with

oil
Position
the

f1lter
on

the
oil

pump
cover

flange
Hand

tight

en
the
f11ter
until
the

packing
contacts

the

cover

flange
then
advance
it

2
3

tum

Note
Do
not

overtighten
the
fiIter

or

oil
leak

may
occur

2

Operate
the

engine
at
fast
idle

and
check
for
oil
leaks
Check
the
oil

level
and
add
oil
if

necessary

OIL
PRESSURE

WARNING

SWITCIt

The
oil

pressure
warning
switch
is

located

on
the

oil

pump
cover
and

wired
to

an
instrument

cluster
See

Fig
EL
6

The

warning

light
glows
whenever

the

oil

pressure
drops
below
0

2
to
0
4

kg
cm1
2
8
to
5
7

psi

Prior
to

installing
a
switch
to
cover
I

be

sure
to

apply
a
conductive
sealer

to

threads
of

switch

INSPECTION

Entire

system

U
S
A
MIT

models

except
FU
mo

el

1
Ensure
that

wiring
connectors
are

tight
in

pla
ce

2
Ensure
that

vacuum
hoses

are

properly

cof
1o
c
ed
to

their

positions

3
Ensure
that
distributor
vacuum

controller

properly
functions

4

Set

timing
light
and
start

engine

S

While

engine
cooling
water
tem

pefature
is
below

SOOC

I220F

check
function
of

system
as
follows

WARNING

To

protect
against
accidental
for

ward

surge
engage

parking
brake

firmly
while
above
check
is

being

made

I
Run

engine
and

keep
it

at

ap

proximately
1
600

rpm

2

Disengage
clutch
Shift

gears
in

top
3rd
then
neutral

positions
Read

spark

timing
in

respective
shift

posi

tions

The

system
is

properly

functioning

if

spark
timir
g
does
not

change

If
t

changes
check
thefmal
vacuum

valve

3

port
type

Note

Ensure
that
thermal
vacuum

wIve

is
closed
when

cooling
water

i
below

5
to
lSoC
41
to

640F
or

above
SO

to
630C
122
to
14S0F

I

6

After
the

engine
has
been

warmed

up
sufficiently
check
the

function
of
the

system

again
in
the

I

Same
manner

The

system
is

properly
functioning

if

spark
iimin
advances
in

top
posi

tion

If

not
check
thefmal
vacuum
valve

control

circuit
or
vaeu
um

switching

valve

Entire

system

FU
model
and

Canada
MIl
models

I
Ensure
that

wiri
lg
connectors
are

tight
in

place
Emission

Control

System

2

Ensure
that

vacuum

hoses
are

properly
connected
to
their

positions

3

Ensure
that

distributor
vacuum

controller

properly
fu
ctions

4

Set

timing
light

WARNING

To

protect

against
accidental
for

ward

surge
engage
parking
brake

firmly
while
above
check

is

being

made

5
Run

engine
and

keep
it
at

ap

proximately
1
600

1
m

6

Disengage
clutch
Shift

gears
in

4th

5th
ihen
neutral

positions
Read

spark
timing
in

respective
shift

posi

tions

The

system
is

properly
functioning

if

spark
timing
advances
in

top
gear

position

If

spark

timing
does
not

vary
at
all

in

tests
des
rilied

in

step
6
above

check

control
circuit
or

vacuum

switching
valve

Entire

system

California
AIT
models

I
Ensure
th
t

wiring
connectors

are

tight
in

place

2

Ensure
that
vacuum
hoses
are

properly
coIDwcted
to

thejr
positions

3

Ensure
that

distributor
vacuum

controller

function
s

properly

4
Set

timing
light
and
staft

engine

S

While

engine
cooling
water
tem

perature
is
below
SOOC
1220F

check
the
function
of
the

system
as

follows

WARNING

To

protect
againSt
accidental
for

ward

surge
engage

parking
brake

firmly
while
above
check
is

being

made

I
Run

engine
and

keep
it
at

ap

proximately
1

600

rpm
at
P

range

2

Make
a

short
circuit

between
the

specified
two
terminals
at
function

te
t

connector

EC31
The

entire

system

except
for
the

top
switch
is

properly

functioning
if

spark
timing
does
not

change
If

it

changes
check
the

thermal
vacuum

valve

3

pori

type

CAUTION

Pay
attention
not
to
make
a
short

circuit
between
other
terminals
than

the

specified
terminals
or
electrical

system
of
car
will

get

damaged

4

EC328A

Fig
EC
94

Making
Short
Circuit

6

After
ihe

engine
has
been

warmed

up
sufficiently
check
the

function
of
the

system
again
in
the

same
manner

The

system
except
for
the

top

switch
is

properly

fU
lctioning
if

spark

timing
is

approximately
greater
than

that
without

a
short
circuit

If

not
check
the

thermal
vacuum

valve

control
circuit
or

vacuum
switch

ing
valve

7
As
the
final

step
of

checking

entire

system
top
switch
should
be

checked

as
follows

1
Start

engine
and

keep
at

idling

speed

2

Disconnect
lead
wires
from
vacu

um

switching
valve

at
connetors

CAUTION

Never

forget
this

operation
otherwise

the
circuit

tester
will

get
damaged

WARNING

Never
touch

positive
and

negative

terminals
at
the
same
time
with

are
hands
Th

l
Il
d
result
in

injury

CHECKING

ELECTROLYTE
LEVEL

Remove
six
vent

plugs
and
check

for

electrolyte
level
in
each
cell

If

necessary
pour
distilled
water

CHECKING

SPECIFIC

GRAVITY

Specific

gravity
of

battery
electro

lyte
is
tested

by
a

hydrometer
If
the

state
of

charge
of

battery
is
below

70

battery
must
be

recharged
or

battery
electrolyte
concentration
ad

justed

EE473

Fig
EE
l

Charging
Condition
Engine
Electrical

System

BATTERY

The

gravity
of

electrolyte

changes

0

0007
for

every
loe

I
80F

temper

ature
Converted

specific
gravity
at

200e

680F
can
then
be
made

by

using
the

following
form
la

S20
St
0

0007
t
20

Where

St

Specific
gravity
of

electrolyte

at
tOe

S20
Specific
gravity
of

electrolyte

corrected
al
200e
680

F

t

Electrolyte

temperature

For

example
A

hydrometer
read

ing
of
1
260
at
300e
860F
would
be

1
267
corrected
to
200e
680F
indi

cating
fully
charged
battery
On
the

olher

hand
a

hydrometer
reading
of

1
220
at
lOoe

I40F
would
be

I

199
corrected
to
200e
680F
indi

cating
a

partially
charged
battery

The
state
of

charge
of

battery
can

e
determined

by
the

following
table

if
the

specific
gravity
of

electrolyte
is

known
Before

checking
be
sure
that

cells
are
filled
to
correct
level
Converted

specific

gravity
S20

l
301

l

Z
L2

I

1

2
I

Ii

8
1

24

E

1

22

2
t
2e

u

1

18

c

i
1
161

1
141

2
1
12

Q

1
10

I

to

0

to
20
30

40
50

14
32

50
68
86
104
122

EEOO3

Electrolyte

temperature
Oc
OF

Fig
EE
3
Conversion

of
Specific

Gravity

BATTERY

FREEZING

Battery
electrolyte

freezing
point

varies
with
acid
concentration
or
its

specific
gravity
A

battery
with
an

insufficient

charge
will
freeze
al
lower

temperatures
If

specific
gravity
of
a

battery
falls
below
1
I

this
is

an

indication
that

battery
is

completely

discharged
and
will
freeze

readily

when

temperat
res
fall

below
freezing

Note

Use
extreme
caution
to
avoid

freezing
battery
since

freezing
will

generally
ruin
the

battery

1

u
B
I

r
eleYel
60
76

Ji
I
k

E

I
I
d

8
70
94

80
112
I

I
f

1

Thermal

gauze

1
00
1

08
1
16

1
24

1
32

2

Hydrometer
1

04

1
12
1
20
1
28

EE001

Specific
gravity
of

electrolyte

EE004

Fig
EE
2

Checking
Specific
Gravity
Fig
EE
4

Freezing
Point

of
Electrolyte

EE
2