My seth thomas mantel clock has a balance wheel and is running fast it picks up about 30 minutes over night.
Seth thomas square wall clock is running slow.
Turn the key clockwise to slow down the clock.
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I if the clock is running fast turn the pendulum nut counterclockwise to decrease the rate.
There should be a and sign near this rod engraved on the movement itself to let you know which way to turn the rod.
Decide whether the clock is running fast or slow.
Clock keys have there own number system from 000 to 16 as seen in the clock key size chart.
There is a small round plate with looks like teeth on top of the balance.
However the number does not indicate what size is what number and can be confusing.
If the clock is running slow turn the pendulum nut clockwise to increase the rate.
Winding wall clocks have gears and cogs that turn together in conjunction with each other to keep proper time.
Insert a square key into the slot below the center of the dial on the clock face.
Continue to check and adjust the clock for six days.
To regulate your clock hold the pendulum disc and turn the rating nut located under the disk to the left to make the clock run slower and to the right to make the clock run faster.
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Hope this helps you.
One turn of the nut will regulate time keeping approximately two minutes a day.
I have checked this clock at least 20 or 30 times and cannot find anything where i can set the slow or fast there is no screw to turn or anything as i can see.
The end of this rod has a slot for a small screwdriver.
Seth thomas clock adjustment.
This section is to figure out what key number to order so the clock can.
Seth thomas hanging gingerbread wall clock in good running condition with alarm.
Clock key size chart explanation.
Bill hi william the threaded rod is the fast slow adjustment.
Battery powered clocks which feature quartz technology use electrical pulses to keep proper time.