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Posted

I am trying to open this mainspring barrel (automatic wind movement).  Seems like it should be straightforward, I am pressing on the arbor in one case...putting it on a bench block and pressing on the barrel with splayed tweezers.

Being careful not to get the sledge hammer on it!

I will keep trying...

Thoughts?

2021-05-20 16_18_51-Photos.png

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Posted

Run a razor blade, and then successively fatter blades around the join between the two halves so that you gently coax it open. Pressure on the arbor will cause the top to dome, which it turn will cause the sides to grip tighter, counter productive.

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