Category Archives: Clock repair

notes from 23 years of professional clock repair

Eight day Regula cuckoo:

Clock Repair Archive – –      8 day regula: back to top The 8 day Regula cuckoo bird door will flop open/shut/open/shut/open/shut when the cuckoo is activated if the door is set to open too far and/or there is … Continue reading

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Dial removal

Many of the modern triple chime / westminster chime wall clocks available today that use popular european mechanisms have the mechanism mounted to the dial with threaded studs that are fastened to the wooden dial back by screws from the … Continue reading

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Dead Beat escapement ( Graham escapement )

Clock Repair Archive – –     Dead Beat escapement ( Graham escapement ):The gear train applies power to turn the escape wheel in the direction indicated. At A and B, the working face consists of the areas marked 1 and … Continue reading

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Date codes for modern European clock mechansims

Clock Repair Archive – – Date Codes: date codes for some of the popular European clocks : 1990 – A1991 – B 1992 – C 1993 – D 1994 – E 1995 – F 1996 – G

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Cuckoo clock repair

Cuckoo clock repair: Determining the correct type of chain: If you have a cuckoo clock that does not have any chains or has chains that do not work correctly there is a way to determine what chain to use. First … Continue reading

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Fitting new chain to a cuckoo clock

 Cuckoo Clock chain fitting:  Determining the correct type of chain: If you have a cuckoo clock that does not have any chains or has chains that do not work correctly there is a way to determine what chain to use. … Continue reading

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Some common issues with clock chain

Chain problems:  CHAIN PROBLEMS: Be aware that chains can stretch and, this will change the effective center to center distance between links , also affecting the links per foot count. Look for links that are not totally closed .Squeeze them … Continue reading

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Clock Case finishes

Clock finishes: In 25 years of repairing clocks some facts about old clock finishes became painfully obvious. First if you are not a wood worker do not attempt to “restore” your clocks finish. There are thousands of clocks that have … Continue reading

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Re-bushing a clock mechanism:

 Bushings: BUSHINGS: Bushings are part of the “bearings” of clock mechanisms. They are extremely important. Clock brass is not all the same. It is important to realize how many different types of clocks there are in existance , and how … Continue reading

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The Antikythera Mechanism:

Be very careful in your assumptions about the extent of our knowledge in this century compared to what has been known in the past. Society’s knowledge of gears, gear ratios, and mechanical devices goes back considerably longer in time than … Continue reading

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