Exmark 127-9041 - Charging System Specifications and Testing; AC and DC Output Tests

Maintenance
4－27
Charging System Specifications
AC Output Test
1. Insert RE D test lead into VC receptacle in meter.
2. Insert BLACK test lead into COM receptacle.
3. Rotate selector to V- (AC VOLTS) position.
4. Attach RED test lead clip (1) to AC output terminal(5), Fig.18.
5. Attach BLACK test lead clip (2) to engine ground.
6. With engine running at 3600 RPM output should be no less than 14 volts AC.
7. NOTE: The battery MUST be in good condition to perform this test.
Charge Coil(s) Air Gap
Measure Between the Magnet Area of the Flywheel and the
Charge Coil Legs
0.011- 0.019” (.3-.5 mm)
No Load DC Voltage Output @ 3000 RPM
Measure Across Battery Terminals
14.5 +/- .5 Volts DC
No Load AC Voltage Output @ 3000 RPM
Measure Across Stator Leads – Stator Leads Disconnected
30 VAC
Charge Coil / Stator Resistance
Measure Resistance Across the Two Stator Leads
0.16 Ohms +/- 15%