Cuckoo Clock - Musical

 In for repair is a 3 weight cuckoo clock.  The movement is made by the German company Regula.  This is a 30 clock to be wound every day.  The case is in fairly good condition.  The movement has been repaired at least a couple times.  The repair methods in my opinion are questionable.  

A nice looking musical cuckoo with dancers

The clock movement removed from the case.  Note the red lines pointing to the pivot holes needed attention.  There were 5 worn holes on the back plate and 4 holes on the front for a total of 8 pivot holes needing rebuilding.  The label A shows a bushing placed on the strike side.  Note that there was a problem with the installation of the bushing.  This is seen by the solder used to keep the bushing in place.  The B label and the pivot hole below B was repaired by crowding the brass metal into the hole to close the diameter of the hole to keep the wheel from shaking back and forth.  The C label shows the original plate not repaired.  The pivot hole currently has worn and now needs to be repaired.  A new brass bushing will be installed and sized to return the pivot hole back to it's original condition. Click the image to see the pivot hole wear.  The video can be zoomed in to see a little closer.

This image shows the clock movement after repair.  I've marked the holes A,B,C to demonstrate the difference between the original condition and now after repair and cleaning.  Click the image to see how well the time train power is being sent to the escape wheel with very little power loss.

Speaking of dirty....Here is a picture of the 2nd wheel in the strike train.  Notice the fur/lint/dust on the wheel pinon.  All this was removed when the clock plates, wheels, levers, and chains were ultrasonically cleaned using hi grade clock cleaning solution.