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Regulator Arm Replacement - Advice Wanted

Rafal

By Rafal
in Watch Repairs Help & Advice

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Rafal WRT Addict

Rafal

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Hello Everyone,

 

 

I usually work on pieces 100 years old and some of them have broken regulator arm and needs replacement or refinish. I cant find any info in books how to do it properly so, maybe someone could advise how to install? I can remove it without damaging, but I got there by experience. Installing it back its a challenge for me at the moment. I refer to this part which is friction fit on balance cock and moved to speed up or slow down watch. Any advice appreciated :).

 

Rafal

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clockboy Distinguished Member

clockboy

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I presume to are putting back together the balance arm as the picture below. If so it's best to secure the arm (without hairspring) I have used the balance arm screw into a brass plate with the correct thread. Then the sections just clip over each other but be carful not to bend because if you do they never stay attached. 

 

 

post-234-0-56079500-1431708940.png

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Rafal WRT Addict

Rafal

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I was thinking about part on your picture marked as regulato/regulator index - this is one part pressed onto part marked as anti-shock unit. This whole part has small space on circular element pressed onto anti-shock unit. If its not pressed correctl it will brake. So Im looking for way to do it safetly

 

 

post-1017-0-68669900-1431711255_thumb.jp

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