Ansonia antique clock ceases functioning due to a corroded primary spring shaft issue
The Ansonia Extra Drop wall clock, a timepiece that was essentially a $5.00 barn-find, has undergone a remarkable transformation. Purchased in less than ideal condition, the clock was missing its brass dial bezel and several minor items. However, the mainspring, despite being unsightly due to surface rust, showed no signs of cracks or weakness, and had plenty of power.
Upon receiving the clock, the mainspring was unwound, reducing the chance of it being "set" and the presence of surface rust becoming more pronounced. The next steps involved a careful approach to cleaning and maintenance, following standard practices for rusty mainsprings of antique mechanical clocks.
The mainspring was first carefully disassembled from the movement to avoid any damage. Rust was removed using gentle mechanical methods such as fine steel wool or a brass brush, while heavier rust was soaked in a rust remover solution formulated for clock parts. The mainspring was then cleaned thoroughly with a clock cleaning solution and dried completely to prevent further rusting.
Once cleaned, the mainspring was given a coating of Keystone mainspring oil for lubrication. The mainspring was then reinstalled carefully into the barrel, and the clock movement was reassembled. The clock ran very well after being installed back into its case, with several full 8-day cycles completed.
During the first servicing, most of the mainspring rust was removed, and the clock continued to run well. After several months, the clock was taken apart again, and the parts were cleaned using an ultrasonic cleaner and Scotch Brite abrasive pad, and WD40. The mainspring, now smooth and rust-free, was given another coating of Keystone mainspring oil.
It is worth noting that even after careful cleaning, an old rusty mainspring may not reliably power the clock if it is weak or excessively corroded. In such cases, it is recommended to replace the mainspring with a quality correct-sized mainspring to ensure reliable operation.
The Ansonia Extra Drop wall clock, manufactured in the early 1880s by the Ansonia Brass and Copper Company, is a testament to the resilience of antique clock movements. Given the delicacy of these mechanisms, consulting a professional clockmaker with experience in antique American clocks like the Ansonia Extra Drop wall clock is advised if you lack clock repair skills.
In summary, the recommended method for a rusty mainspring on an Ansonia Extra Drop wall clock is careful rust removal, cleaning, and lubrication. If the mainspring is too damaged, replacement with a quality correct-sized mainspring is preferred to ensure reliable operation.
\n\nReferences:
[1] "Cleaning and Lubricating Clock Mainsprings." The National Association of Watch and Clock Collectors. https://www.nawcc.org/education/cleaning-and-lubricating-clock-mainsprings/
- Upon restoring the Ansonia Extra Drop wall clock, you might consider integrating smart-home devices to modernize its functionality, transforming it from a vintage timepiece into a reliable gadget that also complements your tech-driven home.
- After ensuring the mainspring of your vintage Ansonia Extra Drop wall clock is in optimal condition, you may find it worthwhile to invest in additional gadgets, such as a smartphone app that allows you to monitor the clock's performance from afar, fusing traditional craftsmanship with contemporary technology.
