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Clocks, Watches/Loben Grandfather clock w Tezuka J movement

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Question
Hi,
I am working on a Loben Grandfather clock with a Tezuka J movement. A few pieces are missing, such as the suspension spring for the pendulum and both weights. Do you know where to get a manual for this movement and where to purchase parts?

Thank you!

Scott

Answer
Scott, I apologize for my delayed answer.  I am on vacation and decided not to go on Allexperts Vacation Status, but have been traveling and am now on line with my laptop.

I do not know anything about Loben clocks, but the important thing is knowing about the movement.  I have worked on a couple of Tezuka movements in my career but not many.  They are Japanese.  You can find some information on them by Googling the name Tezuka.  As far as technical information, I have none.  If you can send a clear photo of the back of the movement to me at my shop email address below, I might be able to help you with the suspension spring.  When we are looking for weights for an unidentified clock here is the procedure we use.  Hang a container from the chain (or cable) of each function.  I start with the time train.  Add water, sand or similar, and when the function runs reliably, weigh the container.   That weight plus 10% will be the weight required for that function.  After you have done all three, send me the values and I will find you some sources for the weights.  In the meantime I will contact my Internet Clocksmiths Group and see if anyone has any further information on your clock and movement.


John Newman
THE VILLAGE CLOCKSMITH
Old Prattvillage
Prattville, Alabama

klokdok@juno.com

Due to the number of Allexperts questions and
the workload I have at my clock shop, I regret
that I cannot answer personal email questions
on a timely basis other than Allexperts follow ups.  

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John Newman

Expertise

As much as I would like to offer values of clocks, I am not a certified appraiser and will not venture into giving an unresearched guess. There is very little published information on what I consider to be the value of "modern production clocks". Considerations are what the clock originally sold for, the condition of the case and movement, and particularly the area in which you live, the demand and the economy. ALSO, WATCHES ARE NOT MY FIELD. However, I can advise the clock owner on proper maintenance of a clock to keep it running, small corrections and adjustments and how to move a clock without damaging it. I can also advise on obtaining parts for clocks. It helps if you can send any information on the clock movement which is usually found on the back plate of the movement. I have been a clockmaker for about 35 years and was plant engineer in the mid 90's and later operations and engineering consultant at Emperor Clock Company in Fairhope, Alabama. I now have my own clock shop.

Experience

One of my greatest accomplishments was traveling to China to assist a clock factory in building clocks to the standards which we required. With the proper specifications and quality control, some beautiful clock cases were built. The factory people from the wood carvers to the plant manager were very congenial, friendly and I left a lot of wonderful friends when I returned from my trips.

Organizations
NAWCC (National Association of Watch and Clock Collectors) 30 years Prattville, Alabama Chamber of Commerce

Publications
Horological Times, a publication of the American Watch and Clockmakers Instute. Collaberated column author, with Photos and ideas for clock movement conversion article.

Education/Credentials
Associate of Science Mechanical Engineering Technology Emperor Introductory Clock Repair (Eventually taught a portion of the class after becoming employee)

Awards and Honors
Small Business of the Quarter (Prattville, Alabama) Leadership Class of 2009 (Autauga County, Alabama)

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