Adjusting the pendulum on your grandfather clock.
How to adjust a pendulum wall clock.
You will accomplish this by changing the location of the center of gravity along the length of the pendulum.
If a clock is out of beat the pendulum will swing for a few minutes then stop even if the clock case is level.
Setting the beat of the pendulum clock.
2 look at the clock again exactly 24 hours later and see if it is fast or slow.
Now you need to check your pendulum clock after 24 hours against an accurate timepiece or computer.
1 start by seeing exactly how far off the time is over a 24 hour period.
If the clock is running fast turn the pendulum nut counterclockwise to decrease the rate.
Set the grandfather clock correctly by using your cell phone.
Adjustment on the dial if your clock has a small arbor protruding the dial near the 12 or the 6 or perhaps in the center of the dial then use this method.
If the clock is running slow turn the pendulum nut clockwise to increase the rate.
Move the nut up or.
Next you need to stop the pendulum and.
The pendulum needs to swing exactly equal distances from dead center to the left as from dead center to the right.
This covers most american style movements and these same principles can be.
Regulation or the act of adjusting the rate of an pendulum clock is a simple series of steps repeated until you achieve the desired affect.