If when moving your grandfather clocks moon dial you feel any resistance or the moon dial will not turn at all stop trying to move the moon gear and come back later and try again.
Grandfather clock moon dial repair.
Observe the current phase that the moon is in.
If the pendulum is stuck open the glass and disentangle the clock hands.
Open the glass and push gently on the dial.
Sometimes the pendulum can disrupt the grandfather clock movements.
If you re repairing a grandfather clock s moon dial start by checking the phase.
Step 5 the moon dial.
Turn it slowly to the current phase.
A one half rotation of the disk occurs every 29 5 days which is one lunar cycle.
Many grandfather clocks incorporate a moon dial.
Mechanically speaking the moon dial exists in conjunction with timekeeping devices grandfather clocks most frequently simply because the passing of the moon is easily relatable mathematically and mechanically to the passing of time.
Many of the older grandfather clocks or english tall case clocks as many people called them had a painting on the dial along side of the moons each dial has 2 moons to keep the calendar accurate.
Minutes hours and days.
This sophisticated piece of technology is designed to show the shape of the moon as it appears in the sky as well as the lunar date.
Ways to clean a grandfather.
Be certain the weights are pulled up.
Another cause for the inconsistency could be the moon dial.
If the clock is running slow move the pendulum up the shaft and if it is running fast move it down.
Depending on how basic or advanced your moon dial is it may be more or less detailed or advanced.
Sometimes the moon dial on a grandfather clock refuses to turn.
To fix this problem open the door or panel by the clock face.
To set moon dial apply slight pressure with your fingers to the front of the moon dial.
Some grandfather clock moon dials spin freely and others have a click stop so you will hear the moon dial clicking as it turns.
Now reset the moon dial with the observed.
The click spring is located just behind the moon dial itself.
If you have a grandfather clock with moon phase follow these instructions.
Stuck pendulum and moon dial problems.
Grandfather clock moon dials consist of a round disk displaying two pictures of the moon.