Datsun BLUEBlRD P 410 Series Service Manual page 190

The
clIp
rIng
pressed In
the shaft
is
soldered
at
both ends of the field COIl
to
pass magneuc
current
The
pole
of
rotor
makes out
the
magneuc
CIrCUIt
as shown
In
FIg
1 3 and all
the
poles
are
magnetIzed by doughnut
COIL
FIg
1 3
Magnettc
CIrCUIt
8
Ql
t
ffil
sw
I
I
1
QlI
tll
01
AI
J
1
I
1
I
J
t
I
FIg 1
4
ConnectIon wlthm
Dynamo
The
armature
IS
of
a
three
phase
Y connectIon
type
and
the
SIlIcon dIode
reCtI
fIes all
waves
It
pulls
out
the neutral pOInt and adds
voltage haVIng
conducted 3
phase
half
wave
rectIficatIon
In
the
CIrCUIt
of
relay
and controls the
voltage
COIl of
the
pIlot lamp relay
I
I
I
I
I
I
Dynamo
L 1
I
I
I
I
Regulator
L
J
Ftg
1
5
Chnrglng System
Regulator
17
I
CJ
G
7
e
j
01ll
j Q
U
1
I l
8 1 1
0
a
I l co
tlIl
I
I
oj
Charge pllot lamp
FIg
1 6
OutSIde
Connection
When the
IgnItIOn
SWItch
IS
put
on
the
battery
current
flows
In
the
arrow
marked dIrecOon passIng
through
the
dynamo
E
termInal
brush
slIp
nng
field
COIL
slIp
nng
brush
dynamo
F
termInal
relay
F
termInal
and lG
termInal
and
completes
the filed
CIrCUIt
It In
dIfficult for the
dynamo to
stand up
only
by
reSIdual
magnetIsm
of the field
core so
that
magneozatIon
IS
necessary
unol
voltage nses to
SUIt
charging
after the
engine
has started
ThIs IS
because the dIode
IS
used and when the
voltage
to
add
to It IS so
low
large
proporuonal
reSIstanCe
shows up and
current
does
not
flow
through
the field COIl unless the
dynamo
makes very
hIgh
revoluoon
177