check oil DATSUN PICK-UP 1977 Workshop Manual

j

EC231

Thermal

vacuum
valva
o

o

m
Emission

Control

System

0

o

o

o

l

l
@

The
thermal
vacuum
valve

is

mounted
in

the

engine
thermostat

housing
It

detects

engine
coolan
t

tem

perature
by
means
of
a

built
in

bi

metal
and

opensor
closes
the

vacuum

passage
in
the

thermal
vacuum

valve

mt

li

t

00
t

EC232

Fig
EC
54
Thennal

vacuum
valve
To
E

G
R
control
valve

From
carburetor

1

Spring

2
Bi
metal

3

O

ring

E
G
R

warning

system

The

E
G
R

warning
system
install
1

Diaphragm
spring

2

Diaphragm

3
Valve
shaft

4

Valve

5
Valve

Seat

6
Valve
cham
ber

Fig
EC
53
E
G

R
control
value

When
the

vacuum

passage
is

open
the

carburetor
suction

vacuum
is

applied

to
the

diaphragm
of
the
E
G
R

con

trol
valve
to

actuate
the

taper
valve

connected
to
the

diaphragm

theconsiiiictlo

nlie
thermal

vacuum
valve
is

shown
below

ed

independently
of
the

E
G
R

con

trol

system
monitors

the
distance
the

car
has
travelled
and

indicates
when

EC
22
the
E

G
R

control

system
must
be

checked

The
E
G
R

warning
system
consists

of

an
odometer
switch

detector
drive

counter
E

G
R

warning

lamp
and

harnesses

When
the

earn
in
the

odom

eter
switch
connected
to

the

speed

ometer
turns

once
for

each
OAkm
4

mile
the

contact

point
of
the
elec

trica
circuit
closes

allowing
electric

current
to
flow

through
the

magnet

coil
of

the
detector

drive
counter

Thus

energized
the

magnet
coil
ac

Wates

the
latchet
to

turn
the
c
unter

wheel

by
one

pitch
When
the

number

of

counts
reaches
50
000
the
latchet

drops
in

a

groove
provided
on
the

periphery
of

the
counter
wheel
to

activate

the
detector

drive
counter

switch

Then
the

E
G
R

warning

lamp

comes
on

indicating
that
the
E
G
R

control

system
Should
be
checked

The

detector
drive

coun
teT
is

equip

ped
with
an
odometer
which

can
tell

when
to
service

the
E

G
R
contr0
I

system

After

completing

periodic
check

reset
the
odometer
to

zero
by
hand

proceeding
as
follows

1
Remove

grommet
installed
on

the
side

surface
of

detector
drive

counter
unit

2
insert

a
bar

or
a
screwdriver

tip

into
the

hole
from

which

grommet
has

been

removed
and

press
down
knob

provided
in

the
detector
drive
counter

for

resetting

The
E

G
R

warning

lamp
comes

on

under
the

following
circumstances

1
When
the
number
of

counts
has

reached
50
000
In
this

case
the

lamp

indicates
that
E

G
R

control

system

must
be
checked

2
When

operating
starter
motor

Notes

a
It
is

an
indication
of

problem
in

the

E

G
R

warning
lamp
or

problems

in
the

point
or
in
the
harnesses
if

the

lamp
does
not

light
at

50
000

counts

b

The
E

G
R

warning
system
is

mounted

on
all
620
models

except

those

bound
for
California
and

Canada

4
E
G
R

warning
system

EC251

Detector
drive
counter

Detecfor
drive
counter
is
secured

on
the

top
of
R
H

hoodledge
panel
in

engine
room
To

remove
detector
drive

counter
disconnect
w
COJUlector

and

loosen
two
bolts

securing
detector

drive
counter
to
hoodledge

panel

2

E
G
R

warning
lamp

E
G
R

warning
lamp
is
mounted
at

the

top
cen
ter
of
instrument

pad
To

remove
E
G

R

warning
lamp
proceed

as
follows

1
Remove

masking
panel

On
models

equipped
with
radio

remove

warning
lamp
from
under
in

strument

panel

2

E
G
R

warning
lamp
is

a
twist

type

Remove

lamp
and
socket

as
an

assembly
Push
and
twist

lamp
off

can

EC554

Fig
EC
60
Removing
E
G
R

warning

lamp
Emission
Control

System

3
Odometer
switch

Odometer
switch
is
mounted
on
the

back
side
of

speedometer
Cam
in
the

odometer
switch
is
rotated

by
the

speedometer
To

dismount
odometer

switch

proceed
as
follows

I

Dismount
combination
meter
as

sembly

2
Remove
meter
front
cover
and

take
off

clips
and
screws
to

dismount

shadow

plate

3

Loosen
screws

securing
speed

ometer
to

printed
circuit

housing
then

remove

speedometer

4

Remove
two
screws

securing

odomete
switch
to
the

back
side
of

speedometer
and
detach
odometer

switch

EC239

Fig
EC
61

Removing
odometer

switch

InstaUatlon

To
install
reverse
the
removal

pro

cedure

EC24
V

r
CID

1
Detector
drive
counter

2
E
G
R
warning
lamp

3
Speedometer

Fig
EC
59
E
G
R

warning
y
tem

INSPECTION

Checking
E

G
R
control

system
in

its
mounted
conditionS

I

Make
a

thorough
visual
check
of

E

G
R
control

system
If

necessary

wipe
away
oil
to

facilitate

inspection

If

any
hoses
are
cracked
or

broken

replace

2

With

engine
running
check

E

G
R

warning
system
for

proper

function
Make
sure
that
E

G
R
warn

ing
lamp
lights
when

ignition
switch
is

turned

to
START

position
starter

mo

tor
runs
If
E
G
R

wanung
lamp
does

not

light
inspect
harnesses
and

con

nectors
or

replace
warning
lamp
Then

turn

ignition
switch
to
ON

position

and

check
the
following
items

I

If
odometer
of
detector
drive

counter
has
not
reached
50
000

counts
make
sure
that
E
G
R

warning

lamp
does
not
light

2
If
odomete
of
detector
drive

counter
has
attained
50
000
counts

make
sure
that
E
G
R

warning
lamp

lights

If

warning
lamp
does
not

light

check
harnesses
connectors
and
de

tector
drive
counter
replace
warning

lamp
or
detector
drive
counter
if

necessary

Notes

Operation
oC
E
G
R

warning
lamp

is
as
Collows

3

Check

ignition
system
with

regard

to

the

following
items

Refer
to

Inspection
of

Ignition
System

1

Ignition
AMP

2
Distributor
Emission
Control

System

3

Ignition
coil

4

High
tension
code

5

Spark

plug

4

Check
idle

CO

adjustment
Refer

to

Inspection
of
Idle

CO

Adjustment
Note
Even
if
there
is

nothing

wrong

with

engine
the

warning
lamp
may

come
on
if
vebicle
is

being
driven

on
a

steep
slope

continuously
in

lower

gears
at

high
engine
speeds

EVAPORATIVE

EMISSION

CONTROL
SYSTEM

CONTENTS

DESCRIPTION

OPERATION

INSPECTION

FUEL
TANK

VAPOR
LIQUID

SEPARATOR

AND

VAPOR
VENT
LINE

DESCRIPTION

The

evaporative
emission
control

system
is

used
to

reduce

hydrocarbons

emitted
to
the

atmosphere
from
the

fuel

system
This

reduction
of

hydro
EC
30

EC

30

EC

31
CARBON

CANISTER
PURGE
CONTROL

VALVE

CARBON
CANISTER

FILTER

FUEL

TANK

VACUUM
RELIEF
VALVE
IEC
32

IEC
32

EC

32

EC
31

carbons
is

accomplished
by
activated

charcoals
in
the
carbon
canister

This

system
is
made

up
to

the

following

I

Fuel
tank
with

positive

sealing
filler

cap

@
2

Vapor
liquid
separator

3

Vapor
vent

line

4
Carbon

canister

5
Vacuum

signal
line

6
Canister

purge
line

5

OPERATION

Fuel

vapors
from

the
sealed
fuel

tank
are
led

into
the
carbon
canister
1
Fuel
tank

2
Fuel
nIler

cap
with
vacuum

relief

valve

3

liquid

vapor
separator
4

Vapor
vent
line

5

Canister

purge
line

6
Vacuum

signal
line

7
Carbon

canister

EF274

Fig
EC
76

Schematic

drawing
of
l
Iaporotive

emiaion

control6ydem

The

canister
is
fined
with
activated

charcoals

to
absorb

the
fuel

vapors

EC
30
when
the

engirie
is

at
rest
or
at

idlin
ll

See

Figure
EC

77

CLEANING
AND

INSPECTION

Clean
all
disassembled

parts
but
do

not
use

grease
dissolving
solvents
for

cleaning

overrunning
clutch
annature

assembly

magnetic
switch

assembly

and
field
coils
since
such
a

solvent

would
dissolve

grease
packed
in

c1u
tch

mechanism

and
would

damage
coils
or

other
insulators

Check
them
for
excessive

damage

or

wear
and

replace
if

necessary

TERMINAL

Check
terminal
for

damage
and

wear
and

replace
magnetic
switch

assembly
if

necessary

FIELD
COIL

Check
field
coil
for
insulation
If

the
insulation
of
coil

is

damaged
or

worn
it
should
be

replaced

Testing
field

coil
for

continuity

Connect
the

probe
of
a

circuit

tester

or
an
ohmmeter
to
field
coil

positive
terminal

and

positive
brush

holder

If
tester
shows
no

continuity
field

circuit
or

coil
is

open

EE016

Fig
EE

I2
Testing
field
coil

for
continuity

TestIng
field
coD
for

ground

Place
one

probe
of
circuit
tester

onto

yoke
and
the
other

onto
field

coil
lead

positive
tenninal

If

very
little
resistance
is
read
field

coil
is

grounded
Engine
Electrical

System

EE017

Fig
EE

I3

Testing
rU
ld
coil

for

ground

BRUSHES
AND

BRUSH

LEAD

WIRE

Check
the
surface
condition
of

brush
contact

and
wear
of

brush
If
a

loose
contact
is
found
it
should
be

replaced

If
brush
is

worn
so
that

its

length
is

less
than
12
mm
0
472
in

replace

Check

the
connection

of
lead

clip

and
lead
wire

o

@

EE
8
Check
brush
holders
and

spring
cUp

to
see
if

they
are
not

deformed
or

bent
and
will

properly
hold
brushes

against
the

commutator

If

brushes
or
brush
holders
are

dirty
they
should
be

cleaned

BRUSH
SPRING

TENSION

Check
brush

spring
tension

by
a

spring
scale
as
shown
in

Figure
EE

13

The

reading
should

be
1

6

kg
3
5

Ib

Replace
spring
if

tension
is

lower
than

I
4

kg
3
1
Ib

ARMATURE

ASSEMBLY

Check
external

appearance
of

armature
and
commutator

1

Inspect
commutator
If
the
sur

face

of
commutator
is

rough
it

must

be
sanded

lightly
with
a
No

500

emery
cloth
If
the

depth
of

insulating

mica
is

less
than

0
2
mm
0

0079
in

from
commutator
surface

insulating

mica
should

also
be
undercut
so

that

its

depth
is
0
5
to
0
8

mm
0
01
97
to

0
0315
in

The
wear
limit
of
commutator
dia

meter
is

2
mm
0

0787
in
If
the

diameter
of
cammu

tator
is

less
than

31
mm
1
220
in

replace
annature

assembly

EE018

Fig
EE
14

Inspecting
brush

spring
tension

L

0
5
to
0
8
mm

71j

Correct

2

Inspect
soldered
connection
of

armature
lead

and
commutator
If

loose
connection
is
found
solder
it

using
resin

flux

3

Armature
test
for

ground

Using
a
circuit
tester

place
one

test

probe
onto
armature
shaft
and
other

onto
each
commutator
bar

If
tester

shows

continuity
armature

is

grounded
and
must
be

replaced

EE022

Fig
EE

16

Testing
annature
for

ground

4

Check
armature
for
short

by

placing
it
on
armature
tester

growler

with
a

piece
of
iron

over
armature

core

rotating
armature
If
the

plate

vibrates
armature

is
shorted

j
l

EE023

Fig
EE

17

Testing
annature

for

ahort
Engine
Electrical

System

L

File
l

0

Commutator

Segmen
t

IWMica

Incorrect

EE021

Fig
EE
15

Undercutting
i118ulating
mica

5
Check

armature
for

continuity
by

placing
probes
of

tester
on
two

seg

ments
side

by
side
If
tester
shows
no

continuity
the
circuit
is

open

OVERRUNNING
CLUTCH

ASSEMBLY

Inspect
pinion
assembly
and
screw

sleeve
Screw
sleeve

must
slide

freely

along
armature
shaft

splines
If

damage
is
found
or
resistance
is
felt

when

sliding
it
must
be

repaired

Inspect

pinion
teeth
If
excessive
rub

bing
is
found
on
teeth

replace

Flywheel

ring
gear
also
must
be
in

spected

l

EE278

Fig
EE
18

Overrunning
clutch

auem

bly

BRUSH

HOLDER
TEST

FOR

GROUND

Using
a
circuit
tester

place
one
test

probe
onto

negative
side

of
brush

holder

and
another
onto

positive
side

If

tester
shows

continuity
brush

holder
is

shorted
to

ground

Replace

brush

holder

EE
9
Ee026

Fig
EE
19

Testing
brush

for

round

BEARING
METAL

Inspect
bearing
metal
for
wear
or

side

play
If
the
clearance
between

bearing
metal
and
armature
shaft
is

more
than
0
2
mm
0
0079
in

replace

metal

MAGNETIC
SWITCH

ASSEMBLY

1

Using
a
circuit
tester

l
check

con

tinuity
between
S
terminal
of

mag

netic

switch
and
switch

body
metal
If

continuity
does
not
exist
shunt

coit
is

opened

Replace
switch

assembly

2
In
the

same
manner
as
above

check

continuity
between
terminals

S
and
M

If

continuity
does
not

exist
series

coil
is

opened

Replace
switch

assembly

ASSEMBLY

Reassemble

starting
motor
in

re

verse

sequence
of

disassembly

When

assembling
be

sure
to

apply

grease
to

gear
case
and

rear
cover

bearing
metal

and

apply
oil

lightly
to

pinion

TEST

PERFORMANCE
TEST

Starter
motor
should
be

subjected

to
a
no
load

test
whenever
it
has

been
overhauled
to
ensure
that

its

performance
will
be

satisfactory
when

installed
on

engine
Starter
motor

should
also
be

subjected
to

the
test

when
the
cause
of
abnormal

operation

is

to
be
determined

A
brief
outline
of

the
test
is

given
below

No
load
test

Connect

starting
motor
in

series

with

specified
12
volts

battery
and

an
ammeter

capable
of

indicating

1

000

amperes

Starter
motor

Diagnoses
of
test

1
Low

speed
with

no
load
and

high

current
draw

may
result
from
the

following

1

Tight
dirty
or
worn

bearings

2

Bent
armature
shaft
or
loosened

field

probe

3
Shorted
armature

Check
armature
further

4

A

grounded
armature
or
field

a
Remove

input
tenninal

b

Raise
two

negative
side
brushes

from
commutator

c

Using
a
circuit
tester

place
one

probe
onto

input
tenninal
and
the

other
onto

yoke

d
I

f
tester
indicates

continuity

raise
the

other
two
brushes
and
check

field
and
armature

separately
to

determine
whether
field
or
armature
is

grounded

2
F

allure
to

operate
with

high

current
draw

may
be

caused

by
the
Engine
Electrical

System

Specified
current

draw
and

revolu

tion
in

these
test
are

shown
in

Specifications

Switch

6
Battery

Et

Voltmeter
Ammeter

Ee026

Fig
EE
20
No
load

l
ting

following

I
A

grounded
or

open
field
coil

Inspect
the
connection
and
trace

circuit
with

a
circuit
tester

2
Armature
coil
does
not

operate

Inspect
commutator
for
excessive

burning
In
this
case
arc

may
occur
on

damaged
commutator
when
motor
is

operated
with
no
load

3
Burned
out
commutator
bar

Weak
brush

spring
tension
broken

brush

spring
rubber
bush
thrust
out

of
mica
in

commu
tat
or
or
a
loose

contact
between
biush
and
com

mutator
would

cause
commutator
bar

to
burn

3
Low

current
draw
and
low

no
load

speed
would

cause

high

internal
resistance

due
to
loose
con

nections

damaged
leads

dirty
corn

mutator
and
causes
listed
on
item

2

3

EE10
MAGNETIC
SWITCH

ASSEMBLY
TEST

Switch

o

Fv
IB
I

I

D

Battery
Starter
motor

EE351

FiN
EE

21
Circuit

ofmagndic
awitch

assembly
ted

If
the

starting
motor
check
is

OK
check

magnetic
switch
as

sembly
Connect
cables

between

negative
battery
tenninal

and
start

ing
motor
M
terminal

positive

battery
terminal
and

starting
motor

S
terminal

connecting
a
switch
in

series
as

shown
in

Figure
EE

21

With
the
switch
on

push

pinion

back
to

remove
all
slack
and

measure

the
clearance
l
between

pinion

front

edge
and

pinion
stopper
The

clearance
should
be

held
within
0
3
to

1
5
mm

0
012
to
0

059
in

If
neces

sary
adjust
it

by
changing
or

adding

adjusting

washer
s

Adjusting
washers

are
available
in

to
two

different
sizes

0
5
mm
0

020
in

and
O
S

mm
0
031

in

0
3
to
I
S
rom

0
012
to
0
059
in

l

EE029

Fig
EE
22
MeO

uring
clearance

t

ROTOR
INSPECTION

1

Continuity
test
of
rotor
coil

Apply
tester
between

slip
rings
of

rotor
as

shown
in

Figure
EE
34
If

there
is
no

continuity
field
coil
is

open

Replace
rotor
assembly

EE041

Fig
EE

34

Continuity
test

of
rotor

coil

2

Ground
test
of
rotor
coil

Check

continuity
between

slip
ring

and
rotor
core
If

continuity
exists

replace
rotor

assembly
because

rotor

coil
or

slip
ring
may
be

grounded

Fig
EE

35

Testing
rotor
coil

for

round

INSPECTION
OF
STATOR

1

Continuity
test

Stator
is
normal
when

there
is

continuity
between
individual
stator

coil
tenninals
When
there
is
no
conti

nuity
between
individual
terminals

cable
is
broken

Replace
with
stator
assembly

EE043

Fig
EE
36

Testing
stator

for

continuity
Engine
Electrical

System

2
Ground

test

If

each
lead
wire
of
stator
coil

including
neutral
wire
is
not
conduc

tive
with
stator
core
condition
is

satisfactory
If
there
is

continuity

stator
coil
is

grounded

EE045
Stator
core

Fig
EE

37
Ee044

Teding
stator

for

P
Ound

Conductive
direction

I

Diode
installed
on
EEl

plate
is

a

positive
diode
which
allows
current

flowing
from
terminal
to

EEl

plate

only
In
other
words
current
does
not

flow
from

EEl
plate
to
terminal

v

1
ptate

2
Terminal
EE046
INSPECTION
OF
DIODE

Perform
a

continuity
test
on

diodes

in

both
directions

using
an

ohmmeter

A

total
of
six

diodes
are
used
three

are
mounted
on
the

positive
EEl
plate

and
other
three

are
on
the

negative
e

plate
The

continuity
test

should
be

performed
on
each
diode
between
the

terminal
and

plate

I

plate

2
ptate

3
Diode

Fig
EE
38
Conductive
direction

of
diode

Diode
installed

on
e

plate
is

a

negative
diode
which
allows
current

flowing
from

e
plate
to
terminal

only
In
other
words
current
does
not

flow
from
terminal
to

e
plate

I

plate

2
Terminal
EE047

Fig
EE
39

Inspecting
positive
diode

Fig
EE
40
Insp
cting
negative
diode

EE
17

If
current
flows
in

both

positive

and

negative
directions
diode
is
short

circuited
If
current
flows
in
one

direc

tion

only
diode
is
in

good
condition

Test

probe
of
a
circuit

t
ter

e

Gl

terminal

EEl

plate

EJ
plate
terminal

terminal

e
plate

e

plate
terminal

e

plate
@
plate

Xl

plate
e
plate

INSPECTION

OF
BRUSH

Check

movement
of
brush
and

if

movement
is

not
smooth
check

brush

holder

and
clean
if

necessary

Check
brush

for
wear
If
it
is

worn

down
to
less

than
the

specified
limit

replace
brush

assembly

Check
brush

pig
tail
and
if

dam

aged
replace

Brush

wear

limiting
line

EE127

Fig
EE
41
Bnlsh
wear

limil
Engine
Electrical

System

If
there

is
a

faulty
diode

replace
all

diodes
ix

diode
as
an

assembly

See
table

below

These
diodes

are

unserviceable

Conduction

o

o

o

SPRING

PRESSURE
TEST

With
brush

projected

approximate

ly
2
mm
0
079
in

from
brush
holder

measure
brush

spring
pressure
by
the

use
of
a

pring
balance

Normally
the

rated

pressure
of

a
new
brush

spring
is

255

to
345

gr
9
0
to
12
202

Morevover
when
brush
is
worn

pressure
decrease

approximately
20

g

0
7
02

per
1
mm

0
0039
in

wear

t

m
0
079

in

or
f

EEO
9

Fig
EE

42
M
CJ

uring

pring
preaure

EE

lB
ASSEMBLY

Reassemble

alternator
in
the

reverse

sequence
of

disassembly
noting
the

following

I

When

soldering
each

stator

coil

lead
wire
to
diode

assembly
terminal

carry
out
the

operation
as
fast

as

pas

sible

2
When

installing
diode
A

terminal

install

insulating
bush

correctly

1

Imulating
bush

2

A

terminal
bolt

3
Diode

cover

4
Rear

cover

5
Diode
a

sembly

EE347

Fig
EE

43
Sectional
view

of
diode

and
A
term
inal

3

Tighten
pulley
nut
with

tighten

ing
torque
of
3
5

to
4

0

kg
m
25
3

to

29
0
ft
Ib

When

pulley
is

tightened

make

sure
that
deflection
of
V

groove

is

less
than
0
3
mm

0
01
IS
in

q

ffl
t
EE051

Fig
EE

44

Tightening
pulley
nut

ADJUSTMENT

VOLTAGE
REGULATOR

When
regulating
voltage
as
meas

ured
above
deviates

from
rated
value

adjust
regulator
in

accordance
with
the

following
instructions

I

Inspect
contact
surface
and
if

rough
lightly
polish
with
fine

emery

paper
1
500
or
600

2
Measure
each

gap
and

adjust
if

necessary
Adjust
core

gap
and

point

gap
in
that
order
No

adjustment
is

required
for

yoke

gap

3

Adjusting
core

gap

Loosen
screw
4
mm
0
157
in

diameter
which
is
used
to
secure

contact
set
on

yoke
and
move
contact

upward
or
downward

properly
See

Figure
EE
49

Core

gap

0
6

to
1
0
mm

0
024
to
0
039
in

EE398

I
Contact

set

2
ThicknesJ
gauge

3
4

mm
0
157
in
dia
screw

4

Crosshead
Jcrewdriver

Fig
EE
49

AdjUJJting
core
gap
Engine
Electrical

System

4

Adjusting

point
gap

Loosen
screw
3

mm
O
lIS
in

diameter
used
to
secure

upper
con

tact
and
move

upper
contact

upward

or
downward
as

necessary
See

Figure

EE
50

Point

gap

035

to
0
45
mm

0
014

to
O
D1S
in

EE399

I
Thicknes

gauge

2
3
mm

0
118
in
dia

screw

3
Cro
Sshelld

screwdriver

4

Upper
contact

Fig
EE
50
Adjusting

point
gap

5

Adjusting
voltage

Adjust
regulating
voltage
as

follows

Loosen
lock
nut

securing

adjusting

screw
Turn
this
screw
clockwise
to

increase
or
counterclockwise
to

decrease

regulating
voltage
See

Figure
EE
5

J
CD

EE400

I

Wrench

2

Crosshead
screwdriver

3

Adjusting
screw

4
l
ock

nut

Fig
EE
51

AdjUJJting
rel
Ulating
voltage

CHARGE
RELAY

Nonna

relay
operating
voltage
is
S

to
IOV
as
measured
at
alternator
A

tenninal

Relay
itself
however

oper

ates
at
4
to
5V

Use
a
DC
voltmeter
and
set

up
a

circuit

as
shown
in

Figure
EE
52

Adjust
charge

relay
in

the
same

manner
as
that
for

voltage
regulator

L

Connect

positive
tenninal
of
voltmeter
to

regulator
lead
connector
N
tenninal
with

negative
terminal

grounded

2
Start

engine
and

keep
it

idle

3
Take
voltmeter

reading

o
Volt

I
Check
for

continuity
be

tween
terminals
of
re

gulator
and
alternator

2
Alternator
circuit

inopera

tive
if

continuity
exists
Below
5
2
Volts

Charge
warning
lamp
on

I
Check
fan
belt
tension

2
If
correct
remove

regulator

and

adjust
as

necessary
Over
5

2
Volts

Charge
warning
lamp
on

Charge
relay
coil
or
contact

points
out
of
order

Replace
regulator

Over
5
2
Volts

Charge
warning
lamp
off

Charge
relay
assembly
is
in

good
condition

EE
23

CHECKING
AND

ADJUSTMENT

CAP
AND
ROTOR
HEAD

Cap
and
rotor
head
should
be
in

spected
periodically
as

specified
in
the

Maintenance
Schedule
Remove
cap

and
clean
all
dust
and
carbon
deposits

from

cap
and
rotor
If

cap
is
cracked

or
is

leaking
replace
with
a
De
one

CONTACT
POINT

Contact

point
should
be

replaced
in

accordance
with
the
Maintenance

Schedule

Standard

point
gap
is
0
45
to
0
55

mm
O
OIS
to
0

022
in
In

case
size

is
off
the
standard

adjustment
is
made

by
loosening
point
screws

Gap
gauge

is

required
for

adjustment

When

point
surface
is

rough
take

off

any
irregularities
with

fine
sand

paper
of
No
500
or
600
or
with
oil

stone

When
wear

on
contact

points
is

noticeable
replace
points
together

with
contact

arm
To

replace

proceed

as

follows

EE322

Fig
EE
58
Adju
ting
point

gap

EE321

I

Primary
lead
termina

2
Ground
lead
wire

3
Set
screw

4

Adjuster

5
Screw
Fig
EE
59
Breaker
Engine
Electrical

System

First
turn
out
set

screws
1
to

1
5

turns
at
contact
arm
and

primary
lead

wire

connection

just
for

enough
to

pull
out

primary
lead
terminal

Referring
to

Figure
EE

59
unSCrew

two
contact
set

fixing
screws

and

remove
lead
wire

While

holding
contact
arm

by

fingers

pull
out
contact
set

toward

you
by

raising
it

slightly
Contact

point
and

afm
can

then
be

removed

together

Install
new
contact

point
and

arm

assembly
in

reverse
sequence
of

removal

Coat
cam
with
a

light
coating

of

grease

ADVANCE
MECHANISMS

Specifications

Application

Vacuum
advance

Distributor

degrees
distributor

mmHg
inHg

Centrifugal
advance

Distributor

degrees

distribu
tor

rpm

For
Canada

Vacuum

advance
mechanism

mechanical

parts

If
vacuum
advance
mechanism
fails

to

operate
properly
check
for
the

following
items

and
correct
the
mal

function
as

required

1
Check
vacuum
inlet
for

signs
of

leakage
at
its

connection

Ifnecessacy

retighten
or

replace
with
a
new
one

2
Check
vacuum

diaphragm
for
air

leak

If
leak
is

found

replace
vacuum

controller

assembly

3

Inspect
breaker

plate
for
smooth

moving

If

pia
te
does
not

move

smoothly

this
condition
could
be
due
to

sticky

steel
balls
or

pivot
Apply
grease
to

steel
balls
or
if

necessary

replace

breaker

plate
as
an

assembly

EE
31
CONDENSER

Satisfactory
performance
of
con

denser

depends
on

capacity
and

degree

of
insulation

requiring
attention

to
be

sure

that
terminals
are
clean
and
set

screws
are

tight

Checking
of

condenser
is
made

by
a

condenser
tester

D4A4
06

D4A6
07
D4A4
07

D4A6
0S

Automatic

transmission
Manual
transmission

00
150
5

91

30
250
9

S4
00
170
6

69

6
50
300

1I
S1

00
550

11
0

2

300
00
600

110
1
950

Centrifugal
advance

mechanical

parts

When
cause
of

engine
malfunction

is

traced
to

centrifugal
advance
me

chanical

part
use
distributor
tester
to

check
its
characteristic

See
the

specifications
above

When

nothing
is

wrong
with
its

characteristic
conceivable
causes
are

break
down
abnormal

wearing
out
of

driving
part
or
others
So
do

not

disassemble

it

In

case
of

improper
characteristic

take
off
contact
breaker

assembly
and

check

closely
cam

assembly

governor

weight
shaft
and

governor
spring
etc

In
case

centrifugal
advance
me

chanical

part
is
reassembled
be

sure
to

check
advance
characteristic

by
dis

tributor
tester