9926813 R04 - 2013-2016
RZR
570 Service Manual
© Copyright Polaris Industries Inc.
11.21
CHARGING SYSTEM STATOR
(ALTERNATOR) TESTS
Three tests can be performed using a multi-meter to
determine the condition of the stator (alternator).
TEST 1: Resistance Value of Each Stator Leg
1.
Measure the resistance value of each of the three
stator legs: Y1 to Y2, Y1 to Y3, and Y2 to Y3. Each
test should measure:
0.15 Ω ± 20%
TEST
CONNECT
METER
LEADS TO:
OHMS
READING
Battery Charge
Coil
Y1 to Y2
0.15 Ω ± 20%
Battery Charge
Coil
Y1 to Y3
0.15 Ω ± 20%
Battery Charge
Coil
Y2 to Y3
0.15 Ω ± 20%
NOTE
If there are any significant variations in ohm readings
between the three legs it is an indication that one of the
stator legs may be weak or failed.
TEST 2: Resistance Value of Each Stator Leg to
Ground
2.
Measure the resistance value of each of the stator
legs to ground: Y1 to Ground, Y2 to Ground, Y3 to
Ground.
3.
Each test should measure:
Open Line (OL)
TEST
CONNECT
METER
LEADS TO:
OHMS
READING
Battery Charge
Coil
Y1, Y2, or Y3
to Ground
Open Line (∞)
NOTE
Any measurement other than Infinity (open) will indicate
a failed or shorted stator leg.
TEST 3: Measure AC Voltage Output of Each
Stator Leg at Charging RPM
4.
Set the selector dial to measure AC Voltage.
5.
Start the engine and let it idle.
6.
While holding the engine at a specified RPM,
separately measure the voltage across each ‘leg’ of
the stator by connecting the meter leads to the wires
leading from the alternator (Y1 to Y2, Y1 to Y3, Y2 to
Y3).
7.
Refer to the following table for approximate AC
Voltage readings according to RPM. Test each leg at
the specified RPM in the table.
8.
Example: The alternator current output reading
should be approximately
21 VAC at 1300 RPM
between each ‘leg’
.
NOTE
If one or more of the stator leg output AC voltage varies
significantly from the specified value, the stator may
need to be replaced.
RPM READING
AC VOLTAGE (VAC)
READING
1300
21 VAC ± 25%
3000
49 VAC ± 25%
5000
80 VAC ± 25%
Содержание RZR 570 2013
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Страница 469: ...A Wiring Diagrams Topics Covered in this Appendix A 1 Wiring Diagrams Click Here for wiring diagrams 49...
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