If they are getting a collision or there is unnecessary friction among them smoothen out the edges of the handles with a piece of cloth.
How to fix a wall clock that runs slow.
How to troubleshoot wall clocks.
If so replace the cables with new ones and see if it works or not.
Again you should also check the electric clocks handles.
Gently take off the compartment and take a look at the connections.
This screw regulates the speed of the clock.
Each turn of the screw slows the clock by two minutes per 24 hour period.
Swing the pendulum on the inside of the clock if it has a pendulum.
The first and easiest problem to fix is restoring the clock s battery power which is done by removing the battery from the back of the clock and replacing it with a fresh one.
You should hear a ticking sound.
The clock will run slower.
Open the door and bring the pendulum all the way to the side then let.
Wind the clock if it has stopped running.
How to repair an old wall clock if your wall clock is off you will definitely replace the new battery if it remains dead.
If not there may be internal damage.
Use the fingers of your dominant hand to gently turn the regulation screw.
To slow down the clock loosen the adjustment nut turn it toward your left.
Do you see any damage to the wires.
If your clock is running slow then there might be an issue with the wiring.
The bob will settle lower making the effective length of the pendulum longer.