# How do you fix a cuckoo clock that runs fast?

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To make your clock run faster, unhook the pendulum and slide the pendulum carving up a bit on the pendulum stick; to make the clock run slower, pull the carving down a bit. Reattach the pendulum to the pendulum leader at the base of the clock. Set your clock using an accurate time source after each pendulum adjustment.

## Why does my cuckoo clock cuckoo so fast?

No need to take it to the clock repair shop! This is probably just because your pendulum is moving too fast or too slow. The length of the pendulum determines how fast it swings, so you need to either lengthen or shorten it.

## How do you slow down a fast clock?

The adjustment nut is a large nut at the bottom of the pendulum just below the large disk or weight called the bob. To slow down the clock, loosen the adjustment nut (turn it toward your left). The bob will settle lower, making the effective length of the pendulum longer. The clock will run slower.

## Why is my clock moving fast?

An electric clock contains a circuit that makes the “ticks” from the vibrations of a crystal. The tick timing typically boils down to the values of a resistor and a capacitor. A short or burn-out by these components can make the clock run very fast.

## How do you slow down a wind up clock?

The clock can be made to go faster or slower by means of the nut at the bottom of the pendulum. Turning the front of the nut to the right speeds up the clock, and turning it to the left slows it down (in other words move the nut up to speed up, or down to slow down).

## How do I make my cuckoo clock accurate?

Minute-Hand Miscues

If the cuckoo chimes the right number of hours but at the wrong time, the minute hand is out of position. Hand-loosen the nut holding the hands onto the shaft and move the minute hand to the 12 position. Tighten the nut, then move the minute hand to the correct minute.

## How do I stop my cuckoo clock from Cuckooing at night?

In most cases, the cuckoo call can be turned off manually using a switch on the side or underneath the clock case.

## Why do clocks slow down?

Since the light signal must travel so much farther to traverse the rod of a moving clock, it takes much longer to do it. Hence a moving light clock ticks slower.

## How do you regulate a digital clock?

Look for buttons labeled “Clock,” “Clock Set” or “Time.” If your digital clock model does not have one of these buttons, look for ones labeled “Mode” or “Settings.” Press, or press and hold, the appropriate time-setting button until the numbers on the digital display start blinking.

## Why does my grandfather clock run fast?

If your grandfather clock is running slow or fast, it is easy to adjust and regulate it. … To slow the Grandfather Clock down, move the pendulum disk down by turning the adjustment nut to the left. To speed the Grandfather Clock up, move the pendulum disk up by turning the adjustment nut to the right.

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## How do you fix a slow running clock?

If the clock is running fast, move the bob down or turn the nut to the left. If the clock is running slow, move the bob up or turn the nut to the right. Restart the pendulum and reset the clock hands to the proper time. It is easy to remember: lower is slower and left is lower.

## How do you fix a slow wall clock?

To remedy this, simply take down the clock, open up the battery compartment, and inspect the batteries to see if the batteries are worn out or rusted in any way. If there is rust, use an emery nail file to shave it off. Replace the batteries with fresh ones and your clock will start working like brand new.