
Section 08 ELECTRICAL SYSTEM
Sub-Section 03 (CHARGING SYSTEM)
08-03-2
NOTE : If it is continually necessary to add
distilled water to the battery, this indicates
an over voltage situation, requiring replacement
of the rectifier / regulator. If, on the other hand,
the battery will not stay charged, the problem can
be any of the charging circuit components. If
these all check good, you would be accurate in
assuming the problem to be in the rectifier / regu-
lator.
Battery Charging Coil
587 and 717 Engines
STATIC TEST : CONTINUITY
1. Disconnect the magneto wiring harness con-
nector.
2. Install the four-pin magneto harness adapter (P
/ N 295 000 131).
3. Check resistance between the YELLOW and
YELLOW / BLACK wires of the magneto har-
ness adapter. Refer to the following table.
NOTE : A short circuit will read 0 ohm (or
closeto) on ohmmeter.
1. Multimeter
2. Magneto harness adapter
3. YELLOW and YELLOW / BLACK wires
DYNAMIC TEST
1. Disconnect the magneto wiring harness con-
nector.
2. Install the four-pin magneto harness adapter (P
/ N 295 000 131).
3. Connect and set Bombardier Ignition Tester as
per following table.
1. Bombardier Ignition Tester
2. Magneto harness adapter
3. Probe ‘’N’’ to YELLOW wire
4. Probe ‘’P’’ to YELLOW / BLACK wire
4. Crank engine and observe indicator.
5. Push reset button and repeat test twice.
Results :
a. Indicator lamp lights : Battery charging coil
output is up to specifications.
b. Indicator lamp does not light : Battery charg-
ing coil is faulty. Replace it.
Stator
787 Engine
STATIC TEST : CONTINUITY
1. Disconnect the magneto wiring harness con-
nector.
2. Install the six-pin magneto harness adapter (P /
N 295 000 136).
PART NAME
ADAPTER
WIRE COLOR
RESISTANCE
(Ω)
Battery
charging coil
YELLOW with
YELLOW/BLACK
0.05-0.6
Tester
wires
Adapter
wire color
Tester
switch
position
Tester
dial
position
N YELLOW
LOW 70
P YELLOW/BLACK
F02H0LA
21
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