The only other problems would be a worn pendulum spring or the clock needs a good cleaning and re oiling job.
Pendulum stops swinging on wall clock.
As a clock ages the oils and lubricants become gummy and the pendulum starts slowing down and then finally come to a stop or it may become dry and the same problem may happen.
This covers most american style movements and these same principles can be.
It should sound steady and even like a metronome.
If the beat is irregular like.
For wall clocks always remove your pendulum before taking the clock off the wall.
Setting the beat of the pendulum clock.
Before you resort to a repair shop see whether you can diagnose and fix the problem.
The pendulum needs to swing exactly equal distances.
You work toward equal time between the tick and the tock.
The movement of the pendulum and the clock s ticking make a pleasant counterpoint to the pace of modern life until the pendulum stops swinging.
If your clock keeps stopping it could be the space it rests on.
The below instructions do not apply if your clock has no pendulum moving a mechanical mantel clock from one place to another is one of the most common reasons why it stops running and can result in one of the following.
The pendulum stops after only a couple minutes of swinging.
Pendulum over swing if the bob on the pendulum hasn t first been immobilized or removed from the pendulum arm before the clock is moved the pendulum can over swing go past its normal arc and throw the clock out of beat then eventually the clock will stop.
These forces are known as friction and they are what stops the pendulum.
Can t imagine how it could have come out from behind there.
If you ve recently moved your clock you should check the foundation for levelness.
Listen to the tick tock on the clock and see if it is nice even tick tock.
Pendulum clocks stop for a variety of reasons but can usually be restarted.
I don t think it has that sharp tick tock sound that it had but a softer sound.
Tock tick tock tick an adjustment must be made or the clock will stop.
If the pendulum stays in the clock it may scratch the inside of the case as well as change the beat and then the clock may not work.
Also there is a thin black stiff wire like piece that hangs down in front of the bell that used to be behind it i think.
The pendulum needs to swing exactly equal distances from dead center to the left as from dead center to the right.
This is a short video on how to adjust the beat or ticking of a clock movement.
When a clock pendulum swings to and fro you can truly watch time fly.