Fixing a clock that runs too fast can be as easy as turning a screw.
Pendulum wall clock runs slow.
To slow down the clock loosen the adjustment nut turn it toward your left.
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 pendulum disk is moved up or down by turning the adjustment nut.
Denser air causes the pendulum to move more slowly.
A clock that runs quickly still works fine.
Push the bob up to make the clock run faster and push the bob down to make it slower.
To speed up the clock tighten the nut turn it toward your right.
Increasing the ambient temperature of a clock will slow it down from the expansion and lengthening of the pendulum unless the pendulum is a compensating type.
A pendulum too high causes the clock to run fast.
Clocks with an interior or exterior pendulum have adjustment screws either on the pendulum or through a hole in the top of the clock.
Adjust the bob at the bottom of the pendulum if the clock is running too fast or slow.
You may be able to replace the escape wheel with one that has fewer teeth which will require a longer pendulum.
They are cheap and.
Too low causes the clock to run slow.
The clock will run slower.
It may take up to two weeks to properly set a clock that runs fast.
Shorten the pendulum by turning the screw mechanism to the right 1 2 turn.
Use the following rules to adjust the pendulum nut.
To slow the grandfather clock down move the pendulum disk down by turning the adjustment nut to the left.
The bob will settle lower making the effective length of the pendulum longer.
Lengthen the pendulum by turning the screw mechanism to the left 1 2 turn.
Locate the adjustable weight or screw mechanism near the pendulum arm.
Changing the speed of time keeping is accomplished by moving the pendulum disk up or down.
Moving a clock to a higher elevation will slow it down as the air is thinner.
If the clock is running slow turn the pendulum nut clockwise to increase the rate.
If the clock is running fast turn the pendulum nut counterclockwise to decrease the rate.
Adjust the pendulum up or down.
Pendulum bob with rate adjustment french time and strike.