Recording duration: 56 minutes
Chuck Yung
EASA Senior Technical Support Specialist
When a core loss test reveals localized hot spots, or visual inspection identifies physical damage, the ability to repair the damage in a cost-effective manner means the difference between repair or replacement.
Topics covered in this recording include:
- What core loss flux level is correct?
- Clearing small localized hot spots
- What is the best way to clear surface shorting?
- Grinding versus spreading the laminations
- “Watt knocking” or physically manipulating the core
- Debunking the rusting myth — Coreplate, class F red insulator, waterglass
- Restack: complete or partial — Does lamination grade really matter?
This presentation is intended for owner-managers, shop supervisors, machinists, service center technicians, and safety directors.
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ANSI/EASA AR100
More information on this topic can be found in ANSI/EASA AR100
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