Over the holidays, I began repairing a family Cuckoo clock which was around since my Aunt was a little girl. The clock is very simple and well constructed to be modular and relatively easy to work on. It is the modern [Post WWII] equivalent of traditional clocks dating back to the late 1600s. Brass Gears and the Movement Frame are stamped and then the gear forms are cut [not completely clear on the process]. The gear train is assembled using a special fixture -- I didn't have access to any of this for the tear-down.
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| Cuckoo Clock with Roof and Rear Panel Removed: Cuckoo lifting wire should be flat, adjusted slightly towards the Cuckoo to follow the left bellows swing |
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| Strike Ratchet Gear Assembly. [Ratchet Side Faced Down -- Middle Gear in Photo] |
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| Strike-Gear: Ratchet Tooth attachment [72 Teeth] |
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| Something had sheared the ratchet tooth away, leaving a burr, and little material left to engage. |
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Ratched Engage-Tooth [After filing]
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| Side view of the Movement. Pendulum suspended from the wire on the left of the shot. |
Cuckoo Repair Links:
http://www.clockworks.com/clock-repair/clock-repair-help-4.html
http://www.cuckooclock-repairs.com/simple.htm
