Chuck Yung
EASA Senior Technical Support Specialist

This paper covers:

• Interpreting AC and DC drop test results (Is that coil really shorted?)
• Differentiating between interpole and armature problems
• Locating an armature short/ground
• Locating shorted/open equalizers in an armature
• Working neutral: Did that motor arc when it left the factory? Let’s cure that problem!

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