Voltage Regulator/Rectifier; Capacitor Discharge Ignition; Cdi Precautions; Cdi Unit Replacement - Polaris 1999 Sportsman 400 Service Manual

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3
10
8. The
spec ified
amperage is
listed in
Tah le
I.
Re-
place the
stator
asse
mbly if
the
ampera ge is not as
spec ified
.
9. Apply
dielectric grease
to
the
electrical connec-
tors prior to reconn ectin g to
help seal out
moisture.
VOLTAGE REGULATOR/RECTIfIER
Testing
Service
speci fications are not
available
for
testing
the volta ge regulator/rect ifier.
To
determine
if
the
volta
ge regulator is defective, proceed as
follows .
I.
Test
the condition of
the battery as described
un-
der
Battery
Testing
in Chapte r
Three.
2.
Perform the charging
system
output
test as de-
scribed in
this
chapt
er.
3.
If the
charg
ing
system
output is
less
than
spec i-
fied.
chec k
the resistance
of
the
chargin g
coils
as
described
in
this
chapter.
4
.
Before rep lacing
the voltag e regu
lator,
chec k all
electri
ca
l
co
nnect
ions
within
the
charging system.
If
all
ot
her
possible sources of problems arc e
limi-
natcd,
ass
ume
that
the
voltage
regulator
is
defective
by a process
of
eliminat
ion.
Rem
nval/In
st all ati nn
I.
Place the
vehicle
011
level
ground
a
nd set the
parking
brak
e.
2.
Remove the
scat and front
fend er as described in
Cha pter
f
ifteen.
3.
Disconn ect the negative
batt
ery
cable
as de-
sc
ribed in
this c
hapter.
4
. Disconnect
the
two-pin
and
the two
individual
e
lectrica l
co
nnec tors
(A,
f
igure
8) from
the voltage
regul ator/recti fier unit.
5.
Remove the three mountin g
screws and remove
the vo
ltage
regulator/r
ectifier
unit (8. Figure 8)
from
the
radiator
upper
shield. Do not
lose the heat
sink
located between the
unit and the shield
.
6. Install by reversing these removal
steps
while
notin g the
followi ng:
3
.
Be
sure to
install the
hea t sink betwee n
the
unit
and
the shield.
b.
Apply
die lectric
grease
10
the
electrical
con -
necta rs prior
10
reconnecting
them.
c.
Make
sure
all
electrical connec tors are cle
an.
free
of corros
ion and
secure.
CHAPTER
ELEVEN
CAPACITO R m
SCHARG E IG NITION
All
models
are equipped with
a capacitor dis-
cha
rge
ignition
(COl) system
.
Refer
to
Figu re 9-
fi g-
ure I
J
or the wiring diagram
at
the
end
of the
manual.
111is
solid-state
syste
m
uses no
contact
breaker points
or
other
moving
parts.
C
Ol
Preca utio ns
Certain
precaut ions
should
be taken
to
reduce the
chance
of damag
ing the
capac itor
discharge igni
-
tion
system.
Damage
to the so
lid-state
compone nts
of the
sys
tem may
occur
if
the
follow ing
precau-
tions arc
not
observed.
I. Never disconn
ect
any electrical
co
nnec tion
while
the
engine
is
runnin
g.
2
.
Apply
diel ectric
grease
to
all
e
lec trica l
co
n-
nec
to rs
be
fo re
co
nnecti ng
to
hel
p se
a l out
mois-
tu
re.
3.
Make
sure
a
ll
electrical
connection s
arc
cle
an,
free
of corrosion and
secure.
em
Troubleshooting
Refer to
Chapter
Two.
c
m Unit Testing
Se
rvice spec ifications
for testing the C
Ol
unit
arc
not ava
ilable.
c
m
Unit
Replace
me nt
I.
Place the
vehicle on level ground and set the
park
ing
brake.

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