Broken Arbor/ Hamberg American

Discussion in 'Clock Repair' started by disciple_dan, Aug 17, 2019.

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  1. disciple_dan

    disciple_dan Registered User

    Mar 10, 2016
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    Boy, I've really done it now.
    20190817_193509Broken.jpg 20190817_193458Broken1.jpg 20190817_193435Broken2.jpg 20190313_210818.jpg
    Does anyone know where I can get a warning wheel on the chime side for this Hamberg American?
    I was polishing the pivot on the side with the pin in it. Need I say more.
    The wheel dia. is 24.67 mm. The wheel has 64 teeth. It has a 7 leaf pinion with a dia. of 3.18 mm. The arbor length is 35.57 mm (Between Plates) and the overall arbor length is 40.18 mm. Pivot dia. is 0.62 mm.
    If anybody has one please let me know. I will give you whatever you have to have for it.
    I have been working on this clock for some time. I own it and it has much value for me. I have just finished putting 23 bushings in it. 20 of them were replacement bushings but they were all Bergeon and I had to purchase all the Bergeon equipment to do it. Which I'm glad I did.
    Anyway, I have a lot of time and love in this clock and I was going to have it back together and on the test stand before bedtime tonight. Oh. well. life happens.
    Please help if you can. I'll buy the whole movement if you have one to sell.
    Thanks, disciple_dan.
     
  2. shutterbug

    shutterbug Moderator
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    That sucks! You could have a new arbor made and re-stake the wheel.
     
  3. disciple_dan

    disciple_dan Registered User

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    Can you make one? What would I do, take the wheel and collet off and press it on the new arbor?
     
  4. shutterbug

    shutterbug Moderator
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    This guy does great work and could fix you up.
     
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  5. wow

    wow Registered User
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    Dan, I may have the whole thing or the arbor but I would need detailed measurements or just send me the whole thing and I’ll look through my bone pile. Let me know if you are interested.
    Will
     
  6. disciple_dan

    disciple_dan Registered User

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    Thanks, fellows.
    Yes, Will, I am interested. I jotted down some measurements in post #1. Tell me which measurements you need and I'll get them to you right away. If you have something you think might work and need to verify it with the original then I'll send it to you.
    Than you both for the replies. Danny
     
  7. wow

    wow Registered User
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    Dan, yes, those measurements should work. I am out of town tomorrow morning but should be able to look tomorrow afternoon. A close-up photo of each piece would help to try to match it exactly. Also, I need the distance from the pinion to each end of each pivot.
     
  8. disciple_dan

    disciple_dan Registered User

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    20190818_180451.jpg 20190818_180549.jpg 20190818_180526.jpg
    The pinion leaf measures 5.80 mm. On the long end of the arbor, from the shoulder to the pinion it's 25.13 mm. To the best I could measure it on the short end, shoulder to leaf, it's 5.82 mm. I measured shoulder to shoulder on many of the other arbors and they varied a bit but the longest was 36.70 mm. Most were around 36.64 mm.
    Let me know if you need any more info. I really appreciate it, Will.
     
  9. wow

    wow Registered User
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    Dan, I looked through several drawers of wheels/arbors etc. found several that are close but not right. That’s a long arbor, a small pinion, and a small wheel. My other parts shed is not air conditioned and the temp here is 93 and going up. I’ll look again tomorrow morning when it’s cooler out. My movements are in that shed.
     
  10. disciple_dan

    disciple_dan Registered User

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    Yeah, I live in central Florida, I know what you mean. Thanks for the help.
     
  11. wow

    wow Registered User
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    I looked through my movements and do not have that one. Sorry. If you have a lathe you could drill both ends of the arbor where it broke and insert a pin. Use loctite or silver bearing solder to secure it. Both holes must, of course, be centered. That wheel does not have much power on it so it should hold. Just must be straight.
     
  12. disciple_dan

    disciple_dan Registered User

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    No, I don't have the means to do that. Do you have any other ideas?
     
  13. Vernon

    Vernon Registered User
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    Go with Shutterbugs suggestion in post #4. I've had David do a few repairs for me and he is fare and does quality work. Otherwise, you may find someone at your local Nawcc meeting.
     
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