Help Grandfather Clock Junghans A 08 with Tube Chimes

Discussion in 'Clock Repair' started by Cuckoojohnboy, Oct 12, 2019.

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  1. Cuckoojohnboy

    Cuckoojohnboy Registered User

    Feb 28, 2011
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    #1 Cuckoojohnboy, Oct 12, 2019
    Last edited: Oct 13, 2019
    Hi - I am considering whether or not to purchase a Junghans A 08 Grandfather Clock. The case is in need of a lot of work - someone used gorilla glue (the foaming kind) to repair the case and it all needs to be carefully cleaned off. Otherwise, all seems intact without too many dings or scratches. The Clock Movement is in pieces with a few pieces missing and others I'm uncertain what is there. It is missing a hand for the chime silencer, a chime hammer head, a key for the door, a few of the tube for the chimes have the silver color plating off of them, and perhaps a lot of other things.

    Does anyone own one of these that could possibly help me with pictures? Has anyone had experience in repairing these? It seems to me like it has 4 barrel springs - 3 seems to be okay and the other one has the crank off so I could not tell if it was okay.

    Can the tubes be repaired? They seem to be brass interior then plated or painted with a silver color.

    Any help would be greatly appreciated. I am including some pics.

    Thanks,
    JOHN

    Antique Grandfather Clock Face Tubes.jpg Antique Grandfather Clock Face.jpg Antique Grandfather Clock Front and Tubes.jpg Antique Grandfather Clock Movement.jpg Antique Grandfather Clock.jpg
     
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  2. R&A

    R&A Registered User

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    Not understanding 4 barrel springs
     
  3. TEACLOCKS

    TEACLOCKS Registered User
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    Mar 22, 2005
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    4 Barrel springs :???::???::???::???:??

    "3 seems to be okay and the other one has the crank of so I could not tell if it was okay."

    Crank & 3 are OK -- What :???::???:??
     
  4. D.th.munroe

    D.th.munroe Registered User

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  5. shutterbug

    shutterbug Moderator
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    It will be an interesting project. If you can pick it up cheap, I'd say go for it. But I wouldn't expect to find much in the way of parts for it. You may have to construct the missing parts yourself.
     
  6. Cuckoojohnboy

    Cuckoojohnboy Registered User

    Feb 28, 2011
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    It has three barrel springs in the movement and another one on the right side of the movement that appears to operate the hammers for the chimes. I've never actually seen one before and I do not know exactly how it works myself. If anyone has information, I'm grateful. Thanks much!
     
  7. chimeclockfan

    chimeclockfan Registered User
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    The 4th spring barrel acts as a "booster" for the chime train which simply wasn't strong enough to haul the big tubular bell chime hammers on its own. The Junghans tubular bell chime clocks were always among the lower-cost fare for their time and from an engineering perspective were somewhat haphazard. The tubes should be nickel-plated bellmetal as was the norm for clock tubes of that time. Whether they were made by Junghans or a regional bell foundry such as R. H. Mayland is entirely up to debate.

    There was also a version with chime rods which uses just three spring barrels. Rod hammers did not require so much motive power compared to large tubular bell hammers.

    It is an interesting clock nonetheless and one worth trying to restore.
     
  8. DanJeffries

    DanJeffries The Tower clock man

    Dec 1, 2008
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    I just posted an inquiry about this same type clock, and Shutterbug, pointed me to this one. I worked on one of these over a decade ago, so I was trying to confirm my memory, in that these were Junghans. And I do remember getting the chime to consistently chime was quite the chore, and it always sounded like it was struggling to get through the sequences.
    Anyhow, glad this very same questions came up so soon to mine!

    Dan
     
  9. Isaac

    Isaac Registered User

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    Looks like a standard "tall" Junghans westminster movement with the additional booster train. I'd imagine such a design would eat up stop/warning pins and also accelerate wear given that there is all that extra power.
     

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