BEGIN
SPEC
T
TO
BATTERY
BLACK
YELLOW
WHITE
TO
IGN.
'FLYWHEEL
12V.
BATTERY
I
I
-
I
PRIOR
TO
SPEC
T
I
-
-
-
-
CHARGE REGULATOR
-
FIGURE
64.
CHARGING CIRCUIT SCHEMATICS
PRECAUTION$
1.
Battery and associated wiring.
2.
Regulator-Rectifier
3.
Alternator
1.
Check battery to be sure it
is
fully charged.
If
not,
2.
Make sure of battery polarity (negative ground
replace with a fully charged battery.
Battery
only). Otherwise system could be damaged.
3.
Be sureoutput connector is properly inserted into
stator receptacle. This means plug must push into
and solidly bottom
in
receptacle.
4.
Be sure all electrical connections are clean and
tight.
5.
Do
not operate system without a battery. Damage
will occur to regulator and battery ignition coil.
6.
The regulator case must be grounded on Onan
flywheel alternator systems through its mounting
bolts.
TROUBLESHOOTING
When electrical system trouble occurs there are three
general areas to check:
The battery often reveals the symptoms of a faulty
electrical system. The battery is also the culprit in
many cases.
If
the charging system is operating
properly, you should expect and get long battery life.
But even the best battery has a definite life expectan-
cy and eventually it will fail.
Since batteries have a definite bearing on system
operation, it is important to check them often as part
of a periodic maintenance program. The charging
system is operating adequately
if
75
percent or more
of the full-rated charge is read in each cell of a warm
battery. If the reading exceeds this figure, there is no
problem unless there is over-charging which shows
up, as high battery water usage. Also, if specific
gravity varies by more than
25
points between cells, it
is likely that one of the cells has failed, or is near the
failing point. Replacing the battery is advisable.
52
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by any means, is strictly prohibited.
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