"The Clock Fixer"

In for repair is a miniature Kundo 400 day / Anniversary Clock with a Kiennger & Obergfell movement.  Upon delivery to the shop the customer stated movement has not run in a very long time. Observations: 1)  The movement was dry and dusty. 2)  The mainspring was fully wound. Removing the plastic suspension spring protector on the back side of the movement uncovered a problem with the suspension spring.  The spring was spun way too much causing the spring to curl.  See below.  The arrow depicts the spring. Here is a picture of the spring removed from the movement As "they" say, WOW The suspension spring needed replacement.  The Horolovar 400 Day Clock Repair Guide provided information on the specifications for the mainspring thickness (.058mm).  According the the repair guide, the movement was manufactured in 1974 and made in West Germany.  I do hedge on this  The movement was disassembled.  As mentioned b...

In for repair is a German wall clock movement only.  The time side runs but the strike train gets hung up because of bent trundle wires on the 3rd wheel lantern pinion.  This image shows the bent trundles: There were 3 bent trundles.  To repair this, the top shroud had to be lifted to remove the trundles in question.  Here is a picture of the wheel in the split stake tool. Tapping the shoulder of the arbor causes the shroud to lift, creating space for the trundles to be removed.  Here are the bent trundles removed. And the trundles after straightening.  Notice the size of these wires. The repaired lantern pinion. This picture was taken before the wheel was ultrasonically cleaned. This picture above is of the back of the movement. 6 pivot holes were warn oblong and new bushing installed. All the pivots were tested and polished where needed.  After all work was done to the movement, all the movement parts were ultrasonically c...