When battery operated clocks stop working it s usually caused by one or more of the batteries.
Pendulum wall clock losing time.
The pendulum disk is moved up or down by turning the adjustment nut.
To slow the grandfather clock down move the pendulum disk down by turning the adjustment nut to the left.
Near the end of the battery s life the clock can stop rest then restart making it seem like it is running slow.
Set the grandfather clock correctly by using.
Open the door and bring the pendulum all the way to the side then let go.
To prevent dust build up try spraying the gears of your clock once every few weeks.
The bob will settle lower making the effective length of the pendulum longer.
Posted on february 25 2012 by clockde 1 start by seeing exactly how far off the time is over a 24 hour period.
I used the wheel on the backsi read more.
To adjust the regulation the pendulum rating nut must be turned and the amount depends on how much time the clock is in error.
Swing the pendulum on the inside of the clock if it has a pendulum.
It runs too fast lengthen the pendulum by moving the bob down it runs too slow shorten the pendulum by moving the bob up.
That is usually the sign of a worn out battery.
Changing the speed of time keeping is accomplished by moving the pendulum disk up or down.
Pendulum clocks with a time adjustment nut grandfather clocks most wall clocks german mantel clocks shelf clocks etc the adjustment nut is a large nut at the bottom of the pendulum just below the large disk or weight called the bob.
No need to take it to the clock repair shop.
Move the nut up or down depending if it.
If the clock is off more you may need to turn it more.
If your clock is off less than five minutes a week you may only need to turn the nut a revolution or less.
2 look at the clock again exactly 24 hours later and see if it is fast or slow.
Now the pendulum swings but the hands do not move and keep time.
The length of the pendulum determines how fast it swings so you need to either lengthen or shorten it.
A quartz clock will keep good time until it stops.
Either a battery has lost its charge or battery acid has leaked causing corrosion.
Often the internal mechanisms such as the cogs springs and other movements of the clock are not faulty and are unaffected.
To prevent wall clocks from losing time make sure that you check your batteries periodically at least once a month.
3 look at.
Step 3 open the clock face and inspect the clock hands.
I reset the clock for the recent time change.
To slow down the clock loosen the adjustment nut turn it toward your left.