Info needed on grandfather movement

Discussion in 'Clock Repair' started by blangley, Jul 15, 2017.

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  1. blangley

    blangley Registered User

    May 17, 2016
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    IT Manager at University
    East London, South Africa
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    I have been asked to restore the movement in the pictures and am looking for information on it.

    It was brought as you see it, I have mounted it on a stand.

    The movement has been doused in old engine oil.

    I have one weight, a second one was fabricated using the bottom cap of the original for a top cap.

    Original is right hand one in picture.

    Cant see a logo or name on the movement, have not removed front dial plates to look on front of movement.

    Suspension spring and pendulum hanger are badly constructed.

    What info does the community have regards this movement and can I find technical specs to try restore the movement .

    Thank you in anticipation.[​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG]
     
  2. Tinker Dwight

    Tinker Dwight Registered User

    Oct 11, 2010
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    It is likely WD-40.
    Replace the suspension spring they don't cost much.
    It looks to be one of the movements from the 1920's.
    Someone may recognize it if they see the front of the movement.
    The pendulum leader has too large an opening for the
    crutch end. That would need to be replaced or modified.
    The pendulum is a standard 1 second beat.
    Tinker Dwight
     
  3. JTD

    JTD Registered User
    NAWCC Member

    Sep 27, 2005
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    The very self-same clock came up for sale at my local auction a few months ago. Didn't sell first time round. Did the second time, but price was low.

    The clock is German and I used to know the maker but it has gone from my head now. I'll try to remember but meanwhile try and post the front of the movement - as Tinker says, someone may recognise it.

    JTD
     
  4. chimeclockfan

    chimeclockfan Registered User
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    Dec 21, 2006
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    Chime rod sets for antique clocks - please inquire
    WI
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    It looks like an older Friedrich Mauthe movement, probably made around 1920 or a bit earlier. The wide space between both hammer sets often necessitated the use of two gong blocks instead of just one.
     
  5. blangley

    blangley Registered User

    May 17, 2016
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    #5 blangley, Jul 16, 2017
    Last edited: Jul 16, 2017
    Here is an image of the front of movement.

    Will the weights all be of the same mass..if not how and where would I find the info.

    Have found a thread that shows same mechanism - https://mb.nawcc.org/showthread.php?115165-Very-Large-11-5-F-M-S-Clock-Works-Unusual-Friedrich-Mauthe-Schwenningen

    Does anyone have additional info that will help to restore this movement.

    Checked with owner, he says someone told him to cover it with old engine oil, the more the better.

    will dismantling and re assembly be fairly straightforward on this movement ?

    Can the whole movement be soaked in a chemical to remove the old oil or is it recommended to strip it down first?

    [​IMG]
     
  6. kologha

    kologha Registered User

    Dec 11, 2011
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    Retired Production Engineer, Nissan SA Motor Con
    Eastern Cape SA
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    [FONT=Times New Roman, serif]What you have to do is strip the movement down completely, taking good clear photos as you do it. The photos are imperative to enable you to re assemble the movement afterwards, so try and get pictures from every angle. I generally take at least 100 photos every time I work on a three train clock. You can order parts from Timesavers.com. The parts themselves are relatively cheap (in dollar terms) but the shipping to SA is expensive. You must use USPS Priority International Shipping otherwise the parcel can (and probably will) go astray. I use PowaFix benzene which I get from the local hardware shop here in Stutt, if you use another brand try it first to see if you get a reaction to the brass - I have had problems using other brands. Good luck![/FONT]
     
  7. P.Hageman

    P.Hageman Registered User

    Jul 20, 2014
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    After some 40 years of clockmaking (mostly English) these 3 train German clocks still drive me crazy :whistle: I think I need at least 200 pictures before I reasemble in the correct order.
     
  8. blangley

    blangley Registered User

    May 17, 2016
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    Thanks for that good advice.

    - - - Updated - - -

    Thanks for that info.
     
  9. blangley

    blangley Registered User

    May 17, 2016
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  10. Tinker Dwight

    Tinker Dwight Registered User

    Oct 11, 2010
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    It also pays to watch the action of the different parts of the
    chime and strike cycle.
    Make sure you understand how does each part of the sequence.
    Unlike the time, which tooth is on which leaf of the pinion can
    make a difference. Usually there is a way to adjust these such as
    loosening a set screw or such but not always.
    Keep the parts of each train separate. Sometimes a wheel may be
    one tooth difference or such.
    Tinker Dwight
     
  11. blangley

    blangley Registered User

    May 17, 2016
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    IT Manager at University
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    Good advice, thanks.
    Any ideas on mass of weights--will they be equal?
    Brendan
     
  12. Tinker Dwight

    Tinker Dwight Registered User

    Oct 11, 2010
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    Usually, the strike weight is heavier than the time weight.
    Sometimes they are equal.
    Different designs have different requirements.
    Tinker Dwight
     
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