Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Inspection Procedure






1. Inspect the drive end bearing. If the bearing is rough or worn, replace the generator drive end frame assembly.
2. Inspect the slip ring end bearing. If the bearing is rough or worn, replace with a new bearing.
3. Inspect the rotor for grounds (1), opens (2), or shorts (2).






4. Inspect the stator for grounds.






5. Inspect the rectifier bridge for continuity.