I repaired this Seth Thomas tambour chiming mantel clock. It has the No. 124 Westminster chime movement, made from 1924 through 1956. (After 1956, Seth Thomas imported Hermle chime movements from Germany.)
The case on this clock is 20 1/2 inches wide and 9 1/2 inches tall. The minute hand is 2 5/16 inches long, and the beautiful dial is silvered brass with applied numerals and engraved time track.
Repair job 5090. The No. 124 takes a lot of repair work to run reliably. The pivots are short, and each bushing must be countersinked enough for the pivot to protrude (or else the pivot will “tunnel in” to the hole and eventually stop the clock).
I cleaned the movement parts longer than usual to remove very sticky old oil. I polished the pivots and installed 21 bushings, smoothed the warning and lift levers and the lobes on the center cam. The loose strike warning pin was tightened, and the missing chime correction pin on gear c4 was replaced. The chime mainspring barrel hook was tightened, and solder was removed from the strike fly.
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- Clock movenent | Keizunet | 2012/08/03