The length of the pendulum determines how fast it swings so you need to either lengthen or shorten it.
Pendulum wall clock losing time.
If the clock is off more you may need to turn it more.
Either a battery has lost its charge or battery acid has leaked causing corrosion.
To adjust the regulation the pendulum rating nut must be turned and the amount depends on how much time the clock is in error.
The pendulum disk is moved up or down by turning the adjustment nut.
Often the internal mechanisms such as the cogs springs and other movements of the clock are not faulty and are unaffected.
This is probably just because your pendulum is moving too fast or too slow.
Open the door and bring the pendulum all the way to the side then let go.
Posted on february 25 2012 by clockde 1 start by seeing exactly how far off the time is over a 24 hour period.
2 look at the clock again exactly 24 hours later and see if it is fast or slow.
If your clock is off less than five minutes a week you may only need to turn the nut a revolution or less.
Now the pendulum swings but the hands do not move and keep time.
It runs too fast lengthen the pendulum by moving the bob down it runs too slow shorten the pendulum by moving the bob up.
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.
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.
When battery operated clocks stop working it s usually caused by one or more of the batteries.
To slow down the clock loosen the adjustment nut turn it toward your left.
Set the grandfather clock correctly by using.
Near the end of the battery s life the clock can stop rest then restart making it seem like it is running slow.
3 look at.
To prevent dust build up try spraying the gears of your clock once every few weeks.
This will keep you from being thrown off for the rest of your day due to an involuntary time warp.
The bob will settle lower making the effective length of the pendulum longer.
I reset the clock for the recent time change.
I have a seth thomas wall clock with a westminster chime.
A quartz clock will keep good time until it stops.
To prevent wall clocks from losing time make sure that you check your batteries periodically at least once a month.
Step 3 open the clock face and inspect the clock hands.
To slow the grandfather clock down move the pendulum disk down by turning the adjustment nut to the left.