103
Electrical and Ignition
Stator Tests
6
Stator Tests
The stator consists of 3 windings (4 poles each)
on a 5 inch diameter core and generates an out-
put voltage of 55 VAC (1100 watts maximum).
This voltage is converted by the
EMM
to provide
12 VDC for battery charging (3 to 5 A at 500 RPM
and 25 A from 3000 RPM to WOT) and 55 VDC
for fuel injector, and fuel and oil pump operation.
Stator Resistance Tests
Use a digital multimeter to check resistance of sta-
tor windings.
Disconnect
EMM
J2 connector from
EMM
.
Connect meter leads to the following pins:
•
Yellow/white and yellow (pins 9 and 1)
•
Brown/white and brown (pins 10 and 2)
•
Orange/white and orange (pins 11 and 3)
IMPORTANT:
A reading of less than 2 ohms is
acceptable. Make sure meter is calibrated to read
1 ohm or less.
To check for a grounded winding, connect one
meter lead to ground and alternately connect the
other meter lead to each stator wire. Meter should
read no continuity. If meter reads continuity,
replace stator.
Stator Voltage Output Test
Electric Start Models
Use a digital multimeter to check stator output
voltage. Set meter to read 110 VAC output.
Disconnect CPS.
Disconnect stator (6-pin) connector from the
engine harness (6-pin)
connector
.
Connect Stator Test Adaptor tool, P/N 5005799, to
stator connector.
Connect meter leads to terminals of adaptor tool.
With a fully charged battery, crank outboard (300
RPM minimum) and observe meter reading:
•
30 VAC at 300 RPM
•
40 VAC at 400 RPM
•
55 VAC above 500 RPM
Rope Start Models
Use a Peak Reading Voltmeter, P/N 507972, to
check stator output voltage. Set meter to the
50 VAC scale.
Disconnect CPS. Remove spark plugs. Make sure
outboard is in NEUTRAL. Refer to
Stator Winding Resistance Specification
Yellow & Yellow / white
.670 ± 0.020
Ω
@ 73°F (23°C)
Brown & Brown / white
.670 ± 0.020
Ω
@ 73°F (23°C)
Orange & Orange / white
.670 ± 0.020
Ω
@ 73°F (23°C)
1.
EMM
J2 Connector
002462
1
WARNING
To prevent accidental starting of outboard,
disconnect crankshaft position sensor (CPS).
1.
Stator Test Adaptor
002396
WARNING
To prevent accidental starting of outboard,
disconnect crankshaft position sensor (CPS).
1
Содержание Evinrude E-TEC
Страница 128: ...Electrical and Ignition Notes 128 Notes Technician s Notes Related Documents Bulletins Instruction Sheets Other...
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