
92
ELECTRICAL AND IGNITION
CHARGING SYSTEM TESTS
12 V Charging Circuit
To test the operation of the regulator in the battery
charge module, you must be able to run the out-
board continuously at approximately 5000 RPM,
such as in a test tank or on a marine dynamome-
ter.
The test consists of monitoring the system’s
response to a partially discharged battery. Use a
variable load tester to discharge the battery.
Disconnect the battery cables at the battery.
Use an inductive amp meter or connect a 0 to
50 A ammeter in series between the red wire of
engine wire harness (alternator output from Bat-
tery Charge Module)
and the positive (B+) battery
cable terminal of starter solenoid.
Fluke
†
model 334 or 336,
Snap-On
†
model MT110
or EETA501, and various other amp meters
should be available through local tool suppliers.
Reconnect the battery cables.
Following the manufacturer’s directions, connect
the variable load tester (carbon pile) across the
battery terminals.
Stevens
model LB-85 and
Snap-On
model MT540D are examples of testers
available.
WARNING
Excessive battery discharge rates might
overheat battery causing electrolyte gas-
sing. This might create an explosive atmo-
sphere. Always work in a well ventilated
area.
Variable Load Test Diagram
1.
Red wire (alternator output from
EMM
)
2.
Starter solenoid
3.
Battery cable terminal (B+)
4.
Variable load tester
5.
Ammeter
002077
Battery Charging Graph
007352
2
1
5
4
3
Battery Charging
Содержание Evinrude E-TEC Series
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Страница 332: ...B M M C A S OFF M B S A C M ON M B S A C M START M B S A C M 4 5 6 1 2 3 MWS Key Switch and Neutral Safety Switch 000691...
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