1968 DATSUN 510 key battery

CHAPTER

NINE

ENGINE
ELECTRICAL
SYSTEM

The
electrIcal

system
has

undergone
slIght

yearly
changes
the
most

SignIficant
being
ill
the

distrIbutor
Some
models
have
a

smgle
contact

pomt
whIle
others
have

a
dual

pomt
system
De

talls

are
covered

m
the
dIstrIbutor
sectlon
The

electrIcal

system
IS
a
12
volt

negatIve
type

OPERATION

Figure
1
shows
the

starter
motor
When
the

Ignltlon
sWItch

IS
turned

to
the

start

pOSItIon

current
flows

through
the

senes
and
shunt
colis

of
the

magnetIc
SWitch
and

magnetizes
It
The

plunger
IS

pulled
mto
the

sWItch

operatlng
the

shIft
lever
to

engage
the
dnve

pmlon
with

the

flywheel
rmg
gear
and
to
close
the

magnetIc

SWitch

CD
Figure
2
shows
the
starter
motor
CIrcUIt
Clos

ing
of
the

statlonary
and
movable
contacts
cause

the
motor
to
crank
the

engme
and
cut
out
the

series
coIl
of
the

magnetic
switch
The

magnetic

pull
of
the
shunt
coll

IS
suffiCIent
to
hold
the

pmIOn
m
mesh
With
the

flywheel
nng
gear
after

meshing
has
occurred
After
the

engme
starts

and
the

Ignition
key
IS
released
to
the
on

POSI

1

CD

12
11
10

1

Stationary
contact
8
ShIlt
le
er

2
Sene
coli
9
Orne

pinion

3

IgmtlOn
SWitch
10

Ring

gear

4
Solenoid
11
Plmon
slee
e

spllng

5

Shunt
COil
12
Armature

6

Plunger
13
Movable
contact

7
Return

spllng
14

Battery