These clocks are easy to repair, just clean and
They are actually a clockwork clock, with a solenoid
Points are closed, power activates the solenoid to pull
the ratchet up.
Ratchet starts back down, making the clock
when the ratchet gets to the bottom, it closes the
points again and it starts all over again.
About every 2 minutes as I recall.
So, to repair, carefully bend the tabs up and remove the
Using an emory board or such like, clean the
That is the repair.
cleaning, since you are there.
Points get dirty and don't pass the current, so the clock
Adjustments are also easy, just takes time.
If its slow, you adjust it up one 12 hours day, If fast,
you turn it back a day.
This is for each minute it is fast or slow. Once adjusted,
it is accurate.
It's been Decades since I did this repair on many clocks,
so I may be a little fuzzy.......