alternator DATSUN 210 1979 Service Manual

Page 17 of 548


Engine
Tune

up

BASIC
MECHANICAL
SYSTEM

ADJUSTING
INTAKE

AND
EXHAUST

VAL
fE
CLEARANCE

Note
After

tightening
cYlinder
head

bolts

adjust
intake
and
exhaust

valve

clearances

Valve
clearance
ai
ljustment
cannot

be

made
while
the

engine
is
in

opera

tion

To

adjust
proceed
as
follows

I
Start

engine
and

warm
it

up
uritil

water

temperature
indicator

points
to

the
middle
of

gauge
Then

stop
engine

2
Rotate

crankshaft
to

bring
No
I

cylinder
in

top
dead
center
on
its

compression
stroke

3
Remove

valve
rocker

cover

Adjust
valve
clearance
at

following

four

points
while

engine
is
still
hot

CD
Exhaust
valve

of
No
I

cylinder

@
Intake
valve
of
No
I

cylinder

@
Intake
valve
of
No
2

cylinder

@
Exhaust

valve
of
No
3

cylinder

Note

Numbers
in

circle

agree
with

those
in

accompanying
sketch

tiri

Fig
ET
1

Adjusting
Value
Clearanu

4

Again
rotate
crankshaft
one
turn

so
that

No
4

piston
is
in

top
dead

center
on
its

ompression
stroke
Ad

just
following
valve

s

CID
Exhaust

valve
of
No
2

cylinder

@
Intake
valve
of
No
3

cylinder

j
Intake
valve
of
No
4

cylinder

@
Exhaust
valve
of
No
4

cylinder

Adjustment
should
be
made
while

engine
is
hot
After
all
valves
have
been

adjusted
correctly
tighten
lock

nut

firmly
to
secure
ihe

adjustment

Valve
clearance

Hot

Intake

0
35

mm
0
014

inl

Exhaust
0
35
mm

0
014

in

tJl
Tightening
torque

Valve

rocker

adjusting
nut

1
6

to
2
2

kltm

12

to
16
ft
lb

Alternator

Crankshaft

pulley

Unit
mm

in

Idler

pulley

Fig
ET
2

CHANGING
ENGINE

OIL

1

Check
if
oil
is
diluted
with
water

or

gasoline
Drain
and
refill
oil
if

necessary

Note

a
A

milky
oil
iiulicates
the

presence

of

cooling
water
Isolate
the
cause

and
take
corrective
measure

b
An
oil

with

extremely
low

viscosity

indicates
dilution
with

gasoline

2
Check

oil
level
If
below
the

specified
level
raise
it

up
to
the
H

level

3

Change
engine
oil
in

accordance

with
the
maintenance

schedule

Engine
oil

capacity

A14

With
oil
filter

3
7
liters

3
U
US

qt
3
Yo

Imp
qtl

ET3
CHECKING
AND

ADJUSTING
DRIVE

BELTS

I

Check
for

cracks
or

damage
Re

place
if

necessary

2

Normal
drive

belt
deflection
is

showndI
figure
below
when

moderate

thumb

pressure
is

applied
midway

between

pulleys

Thumb

pressure
10

kg
221bl

Idler

pulley

Compressor
p1
111ey

AC710

Checking
Drive
Belts

for
Deflection

Without
oil
filter

3
2
liters

3

USqt
2

U

ImP
ltl

A15

With
oil
filter

3
3
liters

3
US

qt
2
U

Imp
qd

Without
oil
filter

2
8
liters

3
us

qt
2

Imp
qd

REPLACING
OIL

FILTER

The
oil
filter
is
a

cartridge
type
and

can
be

removed

using
Oil
Filter

Wrench
STl9320000

I
Check
for

oil
leaks

past
gasketed

Oange
If

leakage
is

found
retighten

just
enough
to

stop
leakage
If
reo

tightening
is

no

longer
effective
re

Page 40 of 548


PRELIMINARY

CLEANING
AND

INSPECTION

Before

disassembling
engine
ob

serve
the
following
items

I

Prior
to

disassembling
check

outer

parts
for

sign
of
leak

past
their

gasketed
surfaces

2
Check
carburetor
and
fuel

pump

for
condition
fuel
hoses
for
deteriora

t
ion

cracks
or
otherwise

leakage
of

fuel

past
their

jointed
or

connected

surfaces

3

Wipe
dust
and
mud
off

engine

4

Inspect
outer

parts
for
visual

faults
and
broken
or

missing

parts
such

as
bolts
and

nuts

5
Check

piping
and
electrical
cir

cuits

for
deterioration
breakage

fittings
discontinuity
or
insulation

DISASSEMBLY

To

remove

engine
from
car
refer
to

Section
ER

for
Removal

1
Remove

starting
motor
then
re

move
transmission
from

engine

2
Remove
clutch
assembly

3
Remove

alternator
fan
belt
alter

nator
bracket
and
alternator
adjusting

bar

4
Remove

idler
pulley
air

pump

belt
and
idier

pulley
bracket

If
so

equipped

Note
Loosen
idler

pulley
nut
and

belt

adjusting
bolt
in
that
order

@

1

Idler

pulley
nut

2
Belt

adjusting
bolt

3
Air

pump
belt

4
Idler

pulley
bracket
EM527

Fig
EM
2

Removing
Idle

Pulley

Air

Pump
Belt
and
Idle

Pulley
Bracket
Engine
Mechanical

ENGINE
DISASSEMBLY

5

Remove
air

pump
pulley
air

pump
and
air

pump
bracket
If

so

equipped

6
Remove
fan
fan

spacer
and

pul

ley

7
Remove

oil
level

gauge

8
Remove

distributor

cap
and

high

tension

cables
as
an

assembly

9
Disconnect
distributor
vacuum

line
from
distributor
and
remove
dis

tributor

10
Disconnect

fuel
line
from

carbu

retor

II
Remove
fuel

pump
and
fuel
line

12
Remove
water
outlet
and

thermostat

13
Remove

engine
mounting
brack

et
R
H

14
Remove

oil

pump
and
filter
as

sembly

EL043

Fig
EM

3

Removing
Oil

Pump

15

Remove

spark
plugs

16

Install

Engine
Attachment

KVlOI02500
to

cylinder
block

using

engine

f1
ounling
bracket

R
H
attach

ing
studs
fuel

pump
attaching
studs

and
alternator

bracket

attaching
bolt

holes

17
Mount

engine
on

Engine
Stand

ST050I
SOOO

Fig
EM
4

EM
3
18
Remove

engine
mounting
brack

et

L
H

19
Disconnect

air
vacuum
and

blow

by
hoses
from
air

cleaner

20
Remove
air
cleaner
and
air

cleaner
brackets

21

Remove
vacuum
control
valve

assembly
and
bracket

as
a
unit

22
Remove
carburetor
and
baffle

plate

23

Remove
E
G
R
control
valve

24

Remove
intake
and
exhaust

manifold
assemblies

EM528

Fig
EM
5

Removing
Manifold

25
Remove
P
C
V

hose

pipe
con

nector
to
control
valve

26
Remove

rocker
cover

27
Loosen
valve
rocker

adjusting

nut
and
turn

adjusting
screws
out
to

disengage
push
rods
Then

evenly

loosen
rocker
shaft
bolts

28
Remove
rocker
shaft

assembly

EM453

Fig
EM
6
Removing
Rocker

Shaft

Assembly

29
Withdraw

push
rods
and

keep

them
in

correct
order
1

30
Loosen

cylinder
head
bolts

a

little
at
a
time

in
the

sequence
shown

in

Fig
EM
and
remove

cylinder

head

Page 53 of 548


29

Apply
engine
oiho
both
ends

of

push
rods
and
insert
in

proper
se

quence

30

Apply

engine
oil
to

valve
stem

end
and

rocker
arm
contact

surfaces

Position
rocker
shaft

assembly
on

cyI

inder
head

31

Tighten
rocker
shaft
bracket

bolts
to

specified
torque

fJ

Tightening
torque

Rocker
shaft
bracket
bolts

2
0
to
2
5

kg
m

14
to
18
ft

b

Note

Tightening
should
be
done

in

two
or
three

stages
outwardly
from

center
bracket

EM506

Fig
EM

77
Rocker

Shaft
Bolt

Tightening
Sequence

32

Adjust
valve

clearance
to

speci

fied
value

Note

a
First

set
clearance
to
0

25

mm

0
0098

in
when

engine
iscold

b
After

engine
has
been
assembled

warm
it

up
for
at
least
several

minutes

finally

adjust
clearance
to

specification
For
details
refer
to

Adjusting
Intake
and
Exhaust
Valve

Clearance
in
ET

Section

EM507
or

Wrench

2
Screwdriver

3
Feeler

gauge

Fig
EM
78

Adjusting
Value

Clearance
Engine
Mechanical

Valve

clearance

Intake
and

exhaust

hot

0
35
mm
0
014
in

cold

0

25
mm
0
010
in

fJ

Tightening
torque

Velve
rocker

adjusti
g
nut

1
6
to
2
2

kltm

12
to
16
ft
b

33

Install
rocker

cover

34

Install
intake
and

exhaust
mani

folds

fJ

Tightening
torque

Manifold
nuts

1
5
to
2
0

kg
m

11
to
14

fHb

Note

When

installing
intake
and
ex

haust

manifolds
locate
bolt

in

center
of

fitting
hole

EM528

Fig
EM
79

Installing
Manifolds

35
Install
E
G
R
control

valve

36

Install
baffle

plate
and

carbure

tor

fJ
Tightening

torque

Carburetor
nuts

0
4

to
0
6

kg
m

2
9
to
4
3
ft

Ibl

37
Install
vacuum

control
valve
as

sembly
and
bracket

38
Install

air
cleaner

bracket
and
air

cleaner

39

Connect
air

vacuum
and

blow

by
hoses
to
air

cleaner

40
Install

pipe
connector
to
control

valve
hose
and

engine

mounting
brack

etLR

41

Install

distributor

EM

16
CAUTION

a
8e
sure
to
set
No
1

piston
to

LD
C
of

compression
stroke

b
Before

instaliation
return
distribu

tor
rotor

approximately
30

degrees

from
its
correct

position
Insert

distributor

meshing
distributor

drive

gear
and
driven

gear

c
After
installation
distributor
rotor

should

align
with

mark
on
rotor

cap

J

No
1

mark

EM508

Fig
EM

80
Cornct
P05ition

of

Rotor

42

Dismount

engine
from

Engine

Stand

ST0501S000
and

place
it

on

suitable

engine
stand

Re

move

Engine
Attachment

KVlOI
2500

43

Install

spark
plugs
and

engine

mounting
bracket
R
H

44

Install
oil

pump
and
ftIter

assem

bly

45
Install
thermostat

and
water

outlet

46
Install
fuel

pump
and
fuel

lines

Do
not

forget
to

install

spacer
and

gasket

47

Install
distributor
vacuum
line

48
Install
distributor

cap
and

high

tension

cables
as
an

assembly
Connect

high
tension

cables

49
Insert

oil
level

gauge

50

Install
fan
fan

pulley
and
fan

spacer

Lock
bolt

by
bending
lock

washers

51

Install
alternator
bracket

adjust

ing
bar
water

pump

pulley
alternator

Page 54 of 548


and
fan
belt

Be

sure
that
belt
deflection
is
held

within

specified
range
when
moderate

force
is

applied
midway
between

pul

leys

Belt
deflection

8t012mm

0

31
to
0
47
in

Force

10

kg
22Ib

Deflection
Fan

pulley

f

Crank

pulley
Alternator

pulley

EM768

Fig
EM
81
Fan
Belt
Temion

52
Install
air

pump
bracket
air

pump
and
air

pump
pulley
If

so

equipped
Engine
Mechanical

53
Install
idler

pulley
bracket
air

pump
belt
and

idler

pulley
If

so

equipped
See

Fig
EM
2

Be
sure
deflection
of
air

pump
belt

is

same
as
that
of
fan
belt

Belt
deflection

8
to
12
mm

0
31
to
0
47
in

Force

10

kg
22Ib

Deflection

10

kg
22Ib

Fig
EM
82
Air

Pump
Belt
Tension

EM
17
54

Install
clutch
and
cover
assem

bly
using
Clutch

Aligning
Bar

STI0610000

For

details
refer
to
Installation
in

CL
Section

Fig
EM
83

Installing
Clutch

Assembly

Page 81 of 548


2
Loosen

belt
then
remove
fan

blade
from

torque
coupling
and

torque
coupling
and

pulley
from

hub

Air

conditioning
system
equipped

models

only

4
Remove

pump
assembly
and

gas

ket
from
front
cover

C0051

Fig
CO
3

Removing
Water

Pump

INSTALLATION

1
Be
sure
to
clean
the

gasket
sur

faces
in
contact
with

pU
flP
and
front

cover

Always
use
new

gaskets
when

installing
pump
assembly
Be

sure
to

tighten
bolts

i
l
Tightening

torque

Water

pump

securing
bolts

0
9
to
1
4

kg
m

6
5
to
10
1
ft
Ib

2
Fill

cooling
system
and

check
for

leaks
at

pump

3

InstaD
fan

pulley

spacer
or

torque

coupling
and

fan
blade

and

tighten
attaching
bolts

securely
Install

belt

and

adjust
for

specified
tension

4

Operate
the

engine
at

fast
idle

and

re

Check
for
leaks

S

Install
fan

shroud

Note

Ensure
that
clearance
between

shroud
and
fan
even
at

any

place

DISASSEMBLY

Water

pump
should
not
be
disas

sembled
Cooling

System

INSPECTION

Inspect
pump
assembly
for
the

following
conditions
and

replace
if

necessary

I

Badly
rusted

or
corroded

body

assembly
and
vane

2
Excessive
end

play
or

roughness

of

bearings
in

operation

Note
If

excessive
mechanical
seal

squeak
occurs
when

engine
is
mn

ning
use
suitable
water

pump
seal

lubricant
to

prevent
squeak

ADJUSTMENT

Check
belt
deflection
between

alternator
and

fan

pulley
by
a

force
of

10

kg
22
Ib

Fan
belt
deflection

8
to
12

mm

0
31
to
0
47
in

If

adjustment
is

necessary
loosen

bolt

retaining
alternator

adjusting
bar

to
alternator
Move
alternator
toward

or

away
from

engine
until
the

correct

tension
is

obtained

TORQUE
COUPLING

The

torque
coupling
keeps
the
fan

speed
at
2
900

rpm
rated

or
below
to

conserve

horsepower
at

high

engine

speed
It
also

helps
reduce
fan
noise
to

a
minimum

during
high
speed
opera

tion

This
unit
is
filled
with
a

special

silicone
oil
used

as
a
fluid

coupling

which
controls
the

fan

speed
Silicone

oil

can
not
be

replenished

The

torque
coupling
is
installed

only
on
the
model

equipped
with
the

air

conditioning
system
In
this
case

use
7
x
350
mm

13
78
in
diam

eter

cooling
fan

CO
3
C0052
t
Wheel

2
Disc

3

Bearing

Fig
CO

4

Torque
Coupling

REMOVAL

Lousen
fan

belt

2
Remove

fan
blade
from

torque

coupling

3
Remove

torque

coupling
from

pulley
and
water

pump
hub

by
re

moving
securing
nuts

INSTALLATION

I
InstaD
the

torque
coupling
in
the

reverse
order
of
removal

2
Install
belt
and

adjust
belt

ten

sian

DISASSEMBLY

The

torque
coupling
is
so

designed

that

it
can
not
be

disassembled

INSPECTION

Inspect
torque

coupling
for
oil

leak

age
If

necessary
replace

Page 98 of 548


ELECTRIC
AUTOMATIC

CHOKE

An
electric
heater
warms
a
bi
metal

interconnected
to
the
choke
valve
and

controls
the

position
of
c
oke

valve

and
throttle
valve
in
accordance

with

the

time

elapsed
the
warm

up
condi

tion
of
the

engine
and
the
outside

ambient

temperature

Electric
heater

The
electric

heater
is
made

up
of

a

semiconductor
and

installed
in

the

automatic
choke
cover
in

the

body

2
Bi
metal

Electric
current

flows

through
the

heater

as
the

engine
starts
and
warms

the
bi
metal
The

deflection
of
the

bi

metal
is

transmitted
to
the
choke

valve

through
the

choke
valve
lever

3

Fast
idle
cam

The

fast
idle

cam
determines
the

opening
of
the

throttle
valve

SQ
that

the

proper
amount

of
mixture

cor

responding
to
the

opening
of
the

choke
valve
will
be

obtained
The

opening
of
the

choke
valve
is
de

pendent

upon
the
warm

up
condition

of

the

engine

4
Choke
unloader

When

accelerating
the

engine
during

the

warm

up
period
that
is

before
the

choke
valve

opens
sufficiently
this

unloader
forces
the

choke
valve

open
a

little

so
as
to
obtain
an

adequate

air
fuel
mixture

S

Vacuum
break

diaphragm

After
the

engine
has
been
started

by
cranking
this

diaphragm
forces
the

choke
valve

open
to
the

predetermined

extent
so
as
to

provide
the

proper

air
fuel
ratio

A
two

stage
acting
type
vacuum

diaphragm
is

employed

6
Si
metal

case
index
mark

The
bi
metal
case
index
mark
is

used
for

selling
the
moment
of
the

bi
metal
which
controls
the
air

fuel

mixture
ratio

required
for

starting
Engine
Fuel

r
m

2

3

4

5

6
r
3

1

@
@
Alternator
L

terminal

Automatic

choke

relay

Automatic
choke

cover

P
T
C
heater

Bi

metaJ

spring

Choke
valve

Fig
EF
31
Electric
Automatic
Choke

l
eater
EF045A

l

A

Higher
ambient
temperature

Manifold

vacuum
Clearance
B

B
Lower
ambient

temperature
Clearance

Manifold

vacuum
1
Hi
metal

2
P
T
e
heater

3
Thermostat
cover

4
Vacuum

diaphragm

5
Fast
idle

earn

6
Bi
metal
cover

index
mark

7
Choke
shaft
lever

8
Choke
valve

9
Unloader

tang

10
Throttle
valve

11
Fast

idle

adjusting
screw

EF243

t

Diaphragm

2

Spring
I

3

Spring
11

4
Rod

5
Choke
valve

6
Plate

@
7
Bi
metal

EF884

Fig
EF

32
Electric
Automatic
Choke

EF

13

Page 101 of 548


CHOKEUNLOADER

I
Close
choke
valve

completely

2

Hold
choke

valve

by
stretching
a

rubber

band
between
choke
shaft
lever

and

stationary
part
of

carllUretor

3
Pull

throttle
lever
until
it

com

pletely
opens

4
Under
this
condition

adjust
clear

ance
e
See
illustration
between

choke
valve
and
carburetor

body
by

bending
unloader

tongue
See

Fig

EF
37

Clearance
C

All

modelS
ex

pt
F
U
model

2
36

mm
0
0929

in

FU
model

2
17

mm
0
0854
in

Note
Make

sure
that
throttle
valve

opensfuDy
when
carburetor
is

mounted

on
car

If
throttle
valve
fails
to

open
fully

unloader
becomes

inoperative
re

suiting
in

poor
acceleration
after

engine
is
started

AUTOMATIC

CHOKE

HEATE
IRCUIT

Checking
heater

circuit
with

function

connector

CAUTION

00

not
attach

test
leads
of
8
circuit

tester
to
those
other
than

designated

I

With

engine
not

running
check

for

continuity
between
A
and

B

If

continuity
exists
heater
is

fune

tioning
properly

If

continuity
does
not
exist

check

for
discon
nected

connector
or

open

P
T
C

heater
circuit

2

With

engine
running
at

idle
check

for

presence
of

voltage
across
A

and
B

If
voltmeter

reading
is
12
volts

heater
circuit
is

functioning
proper

ly

If
voltmeter

reading
is
zero

check

for
disconnected
connector

open

circuit
or

faulty
automatic

choke

relay

3

Replace
faulty

parts
Engine
Fuel

c

i

CD

1
Rubber
band

2
Unloa
er

tongue

3
Choke
vaJve

f
rC
EC150

Fig
EF

37

Adjusting
Choke
Unloader

SJ

v

1

Ignition
switch

2
Automatic
choke

relay

Engine
stop
ON

Engine
start
OFF
3
Automatic
choke
heater

4
Function
test
connector

5
L
terminal
of
alternator

EF

16
Fig
EF

38
EF433A

Checking
Automatic
Choke
Heater
Circuit

with
Function
Teat
Connector

Page 159 of 548


DATSUN

210
Model

8310
Series

SECTIONEE

ENGINE
ELECTRICAL
SYSTEM

CONTENTS

BATTERY

CHECKING
ELECTROLYTE
LEVEL

CHECKING

SPECIFIC
GRAVITY

CHARGING

INSTALLATION

STARTING
MOTOR

STARTING
CIRCUIT

CONSTRUCTION

REMOVAL
AND
INSTALLATION

DISASSEMBL
Y

CLEANING
AND
INSPECTION

ASSEMBL
Y

TEST

CHARGING

CIRCUIT

ALTERNATOR

DESCRIPTION

REMOVAL

DISASSEMBLY

INSPECTION
AND
REPAIR

ASSEMBLY

ALTERNATOR
TEST

REGULATOR

DESCRIPTION

INSPECTION

IGNITION

CIRCUIT
EE
2

EE
2

EE
2

EE
3

EE
3

EE
4

EE
4

EE
5

EE
6

EE
6

EE
6

EE
8

EE
8

EE
10

EE
13

EE

13

EE
14

EE
14

EE
14

EE
16

EE
17

EE
1B

EE
18

EE

18

EE

20
DESCRIPTION

DISTRIBUTOR

CONSTRUCTION

CHECKING
AND

ADJUSTMENT

I
ISASSEMBL
Y
AND
ASSEMBLY

IC
IGNITION
UNIT

DESCRIPTION

REMOVAL
AND

INSTALLATION

CHECKING
IC

IGNITION
SYSTEM

IGNITION
COIL

SPARK

PLUG

INSPECTION

CLEANING
AND
REGAP

SERVICE

DATA
AND

SPECIFICATIONS

GENERAL
SPECIFICATIONS

INSPECTION
AND
ADJUSTMENT

TIGHTENING
TORQUE

TROUBLE

DIAGNOSES
AND

CORRECTIONS

I
BATTERY

II
STARTING
MOTOR

III
ALTERNATOR

Including
voltage
regulator

IV
IGNITION
CIRCUIT
EE
20

EE
22

EE
22

EE
23

EE

23

EE
24

EE
24

EE
25

EE
25

EE
28

EE
29

EE

29

EE
29

EE
30

EE
30

EE
31

EE
33

EE

34

EE
34

EE
35

EE
36

EE
37

Page 168 of 548


The

charging
circuit
consists
of
a

battery
an

alternator

incorporating
an

IC

voltage
regulator
and

wiring
that

connects
these

parts

The

purpose
of

this

system
is
to

convert
mec
hanka

energy
from
the

engine
into
electrical

energy
which
is

used
to

operate
all

electrically
operat

ed
units
and
to

keep
the

battery

fully

charged

With
the

ignition
switch
in
ON
the

circuit
between

transistor
uTr

I
of
the

lC

voltage
regulator
and

ground
is

closed
Current
from
the

battery
then

flows

along
the
route

shown

by
the

arrOW
in

Fig
EE
26

turning
on
the

charge

warning
lamp
and

flowing
on

through
terminal
L

to
excite
the

rotor

When
the
alternator

begins
to

oper

ate
three

phase
alternating
current
is
ngine
Elect
ical

System

CHARGING
CIRCUIT

indicated

in
the
stator

coil
This
alter

nating
current
is

rectified

by
the

posi

tive
and

negative
silicon

diodes

When
the

voltage
at
terminal
8
is

higher
than

battery
voltage
current

produced
at
the

stator
flows

to
re

charge
the

battery
While
the

battery
is

being
re

charged
the

voltage
at
termi

nal
L

is

equal
to
that
of
terminal

8
At
this

point
there
is
no

voltage

differential
on
either
side
of
the

charge

warning
lamp
which
causes
the

charge

warning
lamp
to
turn
off
In

other

words
current
does

not
flow
from
the

battery
to
terminal
L

Accordingly

current
flow

through
the
rotor
as

shown
in

Fig
EE
27

is
taken
over

by

current

produced
at
the
stator
The

circuit
between
terminal
F
and

Tr
is

then
closed
See

Fig
EE
27

The
IC

voltage
regulator
monitors
generating
voltage
to
be

applied
to
the

battery
at
terminal
S
When
current

exceeds
the

specified
value
it
then

flows

through
the
zener
diode
ZD

closing
the

circ
it

consisting
of

transis

tor
Tr
and
resistor

R1
At
this

point
current
neither
flows

through

transistor
Tr

I
to

ground
nor
to
the

rotor

thereby

reducing
the

voltage

generated
at
the

stator
See

Fig

EE
28

When

voltage
generated
at
terminal

S
is

reduced
to
the

specified
value

transistor

allows
current
to
flow

through
the

rotor

increasing
the

generating
voltage

In

this
manner

output
voltage
from

the
alternator
does

not
rise
above
the

specified
value

by
the
ON
OFF

opera

tion

of
the

rotor
coil

through
the
IC

voltage
regulator

16

L

R
l
I

01
0

ls

CHARGE
LAMP

J
011

L

e
0

u

a

M
e

i
J

0

io
o
IGNITION

a

0

09

SWITC1
R2

El1
STATOR
COIL

04
0
R

F

1
BATTERY

8

ZD

ALTERNATOR

7
I

1
AJ

TI
3

IC
VOLTAGE
REGULATOR
Aa

E

1

7

EE760

Fig
EE
26

Simplified
Charging
Circuit
Initial
excitation

current

EE
10

Page 169 of 548


J

o

u

o

ll

ALTERNATOR

nJn
l

0
0
Engine
Electrical

System

F
00IB

RJ
1

1s

0111
CHARGE
LAMP

rt
ei

tOlD

11

1
IGNITION

SWITC1
R2
i
I
oJor

EB

R

BATTERY
f

3

07

09

0
4
0

1
8

r

I
G
XiJ

Tts
R
o

s
o

E

1

J

IC

VOLTAGE
REGULATOR

Fig
EE

27

Simplified
Charging
Circ14it
When

battery
voltage
is
lower
than

regulating

voltage
EE761

I

h
it

r

f

1
0
0
J

o

U

ll

o

I

o

cr

ALTERNATOR
m
l

01

03

1

X
RJ
16

I

1s

OIlI

r
CHARGE
LAMP

L

l

@
R2
IGNITION

SWITCH1
w

Lp

R
l
Q7

BATTERY

T

8

T
F
i
R

j

JZO

RS

E

J

7

Ie

VOLTAGE
REGULATOR

EE762

Fig
EE
28

Simplified
Cluzrging
Circuit

When

battery

voltage
i

higher
than

regulating

voltage

EE
11

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