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Clocks, Watches/Franz Hermle 340-020A chimes

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Expert: - 2/1/2009


Question
I recently acquired a Franz Hermle 340-020A mantle clock and am wondering if
it is possible to modify the chime so that it only rings on the hour.  It will chime
music every 15 minutes. Any option to disable the music altogether and leave
the hour chime, or disable the music on the 15, 30, and 45?  THANKS!

Answer
yep, on the back of the mechanism- there are three gears two large and one in the middle that is smaller. With a screwdriver tip or such remove the "E" clip holding the smaller gear on its shaft and turn the gear over and put it back on and put the E clip back on with pliers. It will then strike only the hour. (but you have to continue to wind all three springs)

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Kenneth Saunders

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any mechanical clock question -no watches- no battery clock questions and no appraisals-ie: "how much is my clock worth?" type questions please! Attach a photo if possible and note all markings on the rear of the mechanism- thanks 40 years as a professional clock repair person- still a full time clock repair service owner

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40 years as a professional clock repair person- still a full time clock repair service owner.

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