Generator Inner Parts: Rotor

Measure the resistance between the slip rings using an ohmmeter.
- If not as specified, replace the rotor.
Specification 2.5-2.9 ohms [20 °C {68 °F}]

Fig 1: Measuring Resistance Between Slip Rings
Courtesy of MAZDA MOTORS CORP.
Verify that there is no continuity between the slip ring and the core using an ohmmeter.
- If there is continuity, replace the rotor.
Inspect the slip ring surface condition.
- If the slip ring surface is rough, use a lathe or fine sandpaper to repair it.
Fig 2: Measuring Continuity Between Slip Ring And Core
Courtesy of MAZDA MOTORS CORP.