Adusting clock speed

Last Edited By Krjb Donovan
Last Updated: Mar 11, 2014 07:37 PM GMT


Movement A208-013

I have a Seth Thomas Lynton II mantel Clock with chime Manufactured in January 1981. The movement is A208-013 made in Germany (picture attached). I no longer have the manual and the clock is losing about 10 minutes per day. Can you advise how to adjust? I can see a - + at the top of the movement on either side of the wheel but not sure of the proper way to adjust....I'm used to pendulum movement adjustment with my antiques.



Little tricky is photo (below)of the regulating unit on the top rear of your clock movement- hold the rim of #6 while moving any one of the 3 prongs on #5 as far as it will go to the right with a pencil. This will make it go as fast as it can without overhaul.


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