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5
.1
STA
RTING
SYSTEM
'
RICAL
SYSTEM
· : - -=
of
electrical
equipment used on
motor-
= - _
=-::
i.
eir
method
of
installation will, depending
--==-
--e
.:,rpe of
wiring
syst
em, vary
w
i
th the
electri-
-=
·e-=·rements.
e
ignition
system
used
on
the
C50,
C65
·e
ignition
coi
l
and
contact
breaker
with
the
electricity
generated
by
a special
A.C.
generator to
produce
the
sta
rting
ignition.
Further,
together w ith
"h
e
use of
the selenium rectifier
a
nd battery, charging.
transmission o
f po
w
er
to
the various connected loads
(horn,
winker,
neutral lamp), discharging ar
e
p erformed
.
The
C50M, C65M
are equip
ped with
a
n electrical
sta
rting motor to
facilitate th
e starting
fun cti
o
n.
In the
fo
llowing secti
o ns
the
elect
rical equipment are divid ed
into
the
starting
,
ignition,
generating
systems
and
descri
b
ed
separately.
5.1
STARTING SYSTEM
C50M,
C65M
W
hen the
mai
n swi
tc
h
is turned
on
a
nd
the
start
er
button d epr
essed,
th
e electric
current flows through
the
coil in the
magnetic
switch,
energizing the coi
l
and
causing th
e
plu
ng
er
co
r
e to be d rawn in
t
o
c
lose the
main contact
.
This
p
ermits ove
r
1
OOA
of
current
to
fl
ow
f
rom
the battery
di rect
to
th
e starter to
produce
t
he
necessa ry
torqu
e
to
t urn
over
th
e
engine
fo
r
sta
rti
ng.
Th
e
sta
rt er
arma
tur
e
speed
is reduced by
th
e
p la ne
ta
ry g
ea
r enclosed wi
thin the
sta
rter.
The
chain
further
reduces
the sp
eed
and transmits th
e powe
r t
o
dri
ve
th
e
cranksha ft.
In
this w ay,
th
e
starter
to
rqu
e
is
mad
e
to
ro tate
th
e
cra nksha ft.
To
prevent th
e
start
er f
r
om
b eing
motoriz
ed
after
the
engin
e
starts,
an
over
running
c lutc
h
is
incorpora
te
d
i
nto
th
e
A.C.
generato
r
ro
to
r.
Starter Specifications
I
1 I
O pera ting vo ltage
121
Rate
d
o utput
131
Re
ducti
on
ra tio
141
Di
recti
o
n
of
ro tation
151
Weight
Starter Characteristics
At the
Without load
sprocket
shaft
Voltage
5 .5V
Cu
rrent
28A
max.
RPM
2,000rpm
min.
To
rque
6V
1.5 Kw
5.45
L.H
ro
tation
(vi
ewing
th
e
sprocket
)
1.7
kg 13.7
4
lbl
W ith
load
Stalling
4.5V
3
.3V
BOA
220A
max.
450 rpm
max
.
0
.1
3kg
-m
min.
0
.6
kg -m
mi
n.
L
Fi gure
5-
l
.
Starting
motor
Figure
5-
2.
S ar
ing
circuit
diagram
I
~
1.8
0
I
E
I
""
I
.£
It::
I
~
_j
"'
67
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