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Bench Testing: Rotor

  1. Measure resistance between rotor slip rings. See Fig 1 . Resistance should be 3.1 ohms. If resistance is as specified, go to next step. If resistance is extremely low or high, replace rotor assembly.
  2. Check continuity between each slip ring and rotor core. See Fig 2 . There should be no continuity between either slip ring and rotor core. If continuity exists, rotor is shorted internally. Replace rotor assembly.
Fig 1: Checking Resistance Between Slip Rings
G00195446Courtesy of HYUNDAI MOTOR CO.
Fig 2: Checking Continuity Between Slip Ring & Core
G00195407Courtesy of HYUNDAI MOTOR CO.
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