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How to convert Angelus SF-240 Alarm/No Alarm Moding bridges adaptation


loosetime

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These are two Angelus SF-240, as you can see one with alarm and the other one without stem.

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The bridges to convert.

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Drilling the hole.

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Milling the bridge.

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Milling the wheels holes.

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The screw threads.

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Now, remove the Cotes for a brushed finished, and filling the antique alarm key hole.

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Making a special piece for the anti lock crown sistem.

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Lo siguiente para evitar que se mueva al girar la rueda, es practicar un agujero de 0.4 mm al lado de la rosca.

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After electroplating.

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The movement with another friends.

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Regards to all :good:

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  • 2 years later...
  • 1 month later...

Is this our friend from Chile?  The purveyor of the Angelus 240 Bridge for stem wind version on the bay?  Anyone know which other parts are required to complete the conversion from key-wind to stem-wind?

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  • 9 months later...

Absolutely stunning work. Lacking the skills, I have tried and failed to get someone to do this project for years.. Kudos to you. In any case thanks for this post. You have created my horological  "Eleanor" (for those who remember the cinematic reference). :)

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