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Output
Regulolor
Terminol
Terminql
Terminol
FIGURE
3
-
Alternotor-
40 Ampere
-
Low
Cut-ln
Winding
Field
Diode
D.C.
Terminol
Terminol
for
Field
Excitotion
Rotor Slip
Rings
Connector
FIGURE
4
-
Alternotor
Circuit
-
35 Ampere
Diode
Winding
Field
DC
Terminol
REG.
Te rm
inq
I
for
Field
Excitotion
Connector
Rotor
Slip
Rings
FIGURE
5
-
Alternotor
Circuit
-
40 Ampere
posses
th
roug
h
the
"isolotion
d
iode."
The isolotion diode
is
mounted
in
o
seporote
oluminum
heot sink
ond
is
reploced os
on
ossembly.
The isolotion diode
is not
essentiol
for
rectificotion
ond
is used
to:
Provide
on
outomotic
solid
stote
FIGURE
6
-
lsolotion Diode
-
35 Ampere
ELECTRICAL
FIGURE
7
-
lsolotion Diode
-
40 Ampere
switch
for
illuminoting
the
olternotor
cho
rge-discho
rge
light.
Automotico
lly
con
nect
the
voltoge
regulotor
to
the
olternotor
ond
bot-
tery
when
the olternotor
is
operoting.
Eliminote
electricol leokoge over
the
o
lternotor
insu
lotors
so
thot
moximu
m
leokoge
is
less
thon one
milliomPere
when
the cor is not
in
use.
The
reor
view
of
the
olternotor
(Fig.
2
ond
3)
shows
four
connections ore
mode
to the olternotor, the
ground,
the
field,
the regulotor terminol which
con-
nects between
the
rectifying
diodes
Alternqtor
Green
Oronge
Regulotor
ond the
isolotion
diode, ond the
output
termino
l.
NOIE,
The regulotor terminal
is
used
only
for
field
excifofion
ond
should
not
be
used
for
onY
other
purpose.
The
Alternqtor Chqrging
Circuit
Since
there is
little
residuol
mognet-
ism
in
the olternotor,
it
is
necessory
to
supply
o
smo
ll
omou
nt of
excitof ion
current
to
the olternotor
field
(rotor).
This
current
con be supplied
tlrrough
the
indicotor
light
to the
regulotor
ter-
minol
on the
olternotor through
the
voltoge regulotor
to the
ormoture
field.
Th
is
cu
rrent
is
in
the order
of
"25
omperes
ond
will
couse
the
indi-
cotor light
to
operote when
the
igni-
tion
switch is
tu
rned
on.
As
the olternotor
storts
to
generote
voltoge,
the
output voltoge
will
de-
velop
ot the
regulotor terminol.
When
Yellow
Resistor
.
Orqnge
Red
<aE
To
Moin
Wire
Hqrness
Bottery Circuit
To
Mqin
Hqrness
Alternotor lndicotor
Light
3
I
Coil
FIGURE
I
-
Wiring
Diogrom
75 Ohm
Resistor
To
lgn
Red
Terminol
Blqck
Brushes
Stqtor
Brushes
FLD
OUTPUT
REG
lgn.
Coil
Sw.
r
I
I
I
L
57
lndicotor
Lomp
Te rm
ino
I
_l
Terminol
Lood
I
[ood
il
Stqrter
+
Bottery
Regulotor
FIGURE
9
-
Chorging Circuit
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