A clock that runs quickly still works fine.
Pendulum wall clock runs slow.
To slow the grandfather clock down move the pendulum disk down by turning the adjustment nut to the left.
Clocks with an interior or exterior pendulum have adjustment screws either on the pendulum or through a hole in the top of the clock.
Push the bob up to make the clock run faster and push the bob down to make it slower.
Changing the speed of time keeping is accomplished by moving the pendulum disk up or down.
Lengthen the pendulum by turning the screw mechanism to the left 1 2 turn.
The clock will run slower.
The bob will settle lower making the effective length of the pendulum longer.
Fixing a clock that runs too fast can be as easy as turning a screw.
You may be able to replace the escape wheel with one that has fewer teeth which will require a longer pendulum.
It just needs a simple adjustment.
Adjust the pendulum up or down.
Locate the adjustable weight or screw mechanism near the pendulum arm.
They are cheap and.
To speed up the clock tighten the nut turn it toward your right.
Moving a clock to a higher elevation will slow it down as the air is thinner.
Adjust the bob at the bottom of the pendulum if the clock is running too fast or slow.
A pendulum too high causes the clock to run fast.
Can we see the movement.
To slow down the clock loosen the adjustment nut turn it toward your left.
Shorten the pendulum by turning the screw mechanism to the right 1 2 turn.
The pendulum disk is moved up or down by turning the adjustment nut.
Too low causes the clock to run slow.
Denser air causes the pendulum to move more slowly.
If it does not have a little slt that has and s and f on each side then it can not be adjusted go to walmart or a hobby shop and buy a new closck mechanism.
The movement that s in the clock also does not appear to be a very strung runner rather weak pendulum swing.
If the clock is running fast turn the pendulum nut counterclockwise to decrease the rate.
If the clock is running slow turn the pendulum nut clockwise to increase the rate.
Pendulum bob with rate adjustment french time and strike.