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The balance wheel stops !

AdrianNOGUES
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AdrianNOGUES Member

AdrianNOGUES

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Hi    The fitting of a shim is NOT a fix its a diagnostic aid in as much as to slightly increase the end shake of the balance when trying to determine the problem, and once proved on way or the other, then removed and look to rectifying the problem.   I have had watches where the end shake was adjusted by digging a divot in the plate there fore raising the the balance cock and increasing the endshake also had them with shims in to do the same both left as a permanent fix    Not reccomended.   

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AdrianNOGUES Member

AdrianNOGUES

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Hi    The fitting of a shim is NOT a fix its a diagnostic aid in as much as to slightly increase the end shake of the balance when trying to determine the problem, and once proved on way or the other, then removed and look to rectifying the problem.   I have had watches where the end shake was adjusted by digging a divot in the plate there fore raising the the balance cock and increasing the endshake also had them with shims in to do the same both left as a permanent fix    Not reccomended.   

Okay !
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Nucejoe Distinguished Member

Nucejoe

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7 hours ago, jdm said:

Absolutely. I was surprised to see that this kind of advice given promptly when the practice is generally frowned upon.

Thanks for all the help Jdm, that was just a temporary fix until OP finds the broken pivot. We need advise how to weld it back on.

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JohnR725 Distinguished Member

JohnR725

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One of the problems with your watch is it has a balance jewel protection system. This means the likelihood of you breaking the pivot  through normal use is nearly impossible. But for reassembly  it's a problem in that you have to get the balance pivots through  a relatively tiny hole. the lower one  usually isn't a problem it's the upper one where it's easy to get it off to the side  it might even still spin to some degree but tightening  the bridge screw down  very bad if it's not where it's supposed to be.. I thought for the future  just remove the entire upper jewel assembly which are going to have to do to lubricated anyway. Then you can see that your pivot is where it's supposed to be  before you tighten the bridge screw down..

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AdrianNOGUES Member

AdrianNOGUES

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One of the problems with your watch is it has a balance jewel protection system. This means the likelihood of you breaking the pivot  through normal use is nearly impossible. But for reassembly  it's a problem in that you have to get the balance pivots through  a relatively tiny hole. the lower one  usually isn't a problem it's the upper one where it's easy to get it off to the side  it might even still spin to some degree but tightening  the bridge screw down  very bad if it's not where it's supposed to be.. I thought for the future  just remove the entire upper jewel assembly which are going to have to do to lubricated anyway. Then you can see that your pivot is where it's supposed to be  before you tighten the bridge screw down..

Ok thank you very much, I haven't made it yet but i'm going to try this without making a mess (like loosing the thing on the jewel of the cock) :)
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    • Neverenoughwatches
      Stem removal after fitting hands

      By Neverenoughwatches · Posted

      That's the right technique Mal 👍 If you are ok with a loupe ( which I'm not ) then pick up the dial in your left hand and make a tripod holder out of 3 fingers and then exactly how Mal and me described with your right hand, press and flick out the stem at the same time. You need three fingers to do this, i use my ring ring finger , sounds like mal uses his little finger, just whatever you feel comfortable with. The key point and dangerous side to this is the tweezers or driver slipping off the release screw. Stablise your left arm by resting your elbow on your bench, so that you can hold the movement horizontally flat, use a x5 loupe to view  and good light so you can see well and have a good tight fitting screwdriver to push the release down. Or as suggested a pusher mounted solid upside-down somewhere then all you need to do is push your movement up to it. I'll rig something up in a bit to show you what i mean.
    • Neverenoughwatches
      Leaving the forum for a while.

      By Neverenoughwatches · Posted

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    • Malocchio
      Stem removal after fitting hands

      By Malocchio · Posted

      That can be tricky. Sometimes I hold the movement from the edges in left hand and with right hand I push the release with tweezers and simultaneously pull the stem out with right hand pinky or something. 
    • PeterS
      Stem removal after fitting hands

      By PeterS · Posted

      I see what you mean. I must admit I’m not entirely comfortable with that but I can’t see a better method than what you suggest. I’d like to see something like this mirror with a short spike: https://www.cousinsuk.com/product/mirror-for-observing-movements Place it on, push the spike on the post with one hand and release the stem with the other hand. Minor problem, it doesn’t exist.
    • Michael1962
      Leaving the forum for a while.

      By Michael1962 · Posted

      Hope you mum keeps on mending. I was adamant that I was going to get myself going after my stroke. I was only 52. I still have a lot of life left to live. Some people give up. Some people don't let it beat them. Your mum sounds like one of the winners. 👍
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