2) R egulator (optional
art)
The regu lator converts AC
i
nto DC, also regu lates the cha rg-
i
ng vol tage. Si nce the al ternator speed is var ied by engi ne
speed va riation, the output vol tage from a
l
ternator va ries.
However, consta nt vol tage (1 2V
)
m ust be su ppl ied to the
battery. That is the regu lator wh ich works to keep the cha rg-
i
n
vol ta
e a
12V.
[Note]
•
A regulator of 13.8V
to
14.8V must
e
used.
(A) Alternator
5-2 CHARGING SYSTEM
(e)
(f )
h
The chargi ng system consists of an
(I)
AC a
l
ternato
and
a regu
l
ator
(option). The alternator generates
AC (Alternati ng Current) and the
regu lator converts AC
i
nto DC
(
Di rect Cu r rent), also contra Is the
output voltage for cha rgi ng cu rrent
to the battery.
1) Alternator
The AC alternator prod uces h igher
voltage in slow speed, compa re
with DC dyna mo a nd cha rges more
current to battery even d u ri ng
engi ne id
l i
ng. The provided alter-
nator is an alternating cu rrent
generator contai n
i
ng a rectifier.
Al te rnati ng cu rren
is
i
n
u c e
i
n a
stator coil by rotati ng mag netic
(a)
(bl
(c)
(pl
(j) (kl
poles a rou nd the coi l. The alternat·
0073F022
i
ng cu r rent is then rectif ied
i
nto
a d
i
rect cu rrent th rough diodes.
(a) Pulley
(bl
fan
(c) Frame
(di Bearing
(el
Spacer
(f)
Armature
(kl Cover (p) Bolt
(g)
Bearing
(I I
Holder
(hi Yoke
(m) Brush
(ii
Rectifier
(nl Spring
(j)
Frame
(o) Insulator
(A) Regulator
(a)
N
terminal
(b) L terminal
c
B terminal
di F terminal
(e)
IG terminal
(al
(b)
0
(cl
(f)
E
terminal
(g)
Control resistor
(h)
Pressure coil
0073F023
(i)
Voltage coil
25
KiSC issued 09, 2007 A
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