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Coaster model 900723 grandfather clock doesn't keep time

Posted by Anonymous on

  • Anonymous Nov 20, 2010

    If you are not familiar with this brand of clock it is a clock that runs on batteries. Not really a true grandfather clock. The pendulum and chimes run on batteries too.

  • Anonymous Nov 20, 2010

    If you are not familiar with this brand of clock it is a clock that runs on batteries. Not really a true grandfather clock. The pendulum and chimes run on batteries too.

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Brad_H

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Everybody should know that the coaster clocks discussed here run on batteries. The timing mechanisms, the chimes as well as the pendulum all are powered by a battery. Changing the speed of the pendulum is impossible because there is no adjustment. Besides, it wouldn't matter anyway. The pendulum has now affect on the clock's ability to keep accurate time. It is purely aesthetic. This is a pretty cool looking clock and even has weights, but those are also purely aesthetic and do not move the way a classic grandfather clock weight would move. The moments with these clocks are not designed to be worked on. These clocks are relatively inexpensive (approximately $300) but do add a nice look to your home. Grandfather clocks snobs would say though; this is not a true timepiece. They're right... Sorry.Coaster model 900723 grandfather clock - _1513.jpg

Posted on Jun 22, 2011

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Yvonne

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If this is a mechanical clock with a pendulum, then you can do the following. On the pendulum there is a round bobbin, under the bobbin is a nut, this nut is called a rating nut. To speed the clock up, turn the nut from left to right and to slow it down, right to left. I do not know the length of your pendulum. You need to experiment. Try 1 full turn over 24 hours.
You will probably find a difference in time keeping between Summer and Winter. This cannot be helped. This is called expansion and contraction.
I fix these mechanical clocks for a living so if you need more information you are more than welcome to email me Yvonne [email protected]

Posted on Mar 28, 2013

  • Yvonne Mar 28, 2013

    If this is a mechanical clock with a pendulum, then you can do the following. On the pendulum there is a round bobbin, under the bobbin is a nut, this nut is called a rating nut. To speed the clock up, turn the nut from left to right and to slow it down, right to left. I do not know the length of your pendulum. You need to experiment. Try 1 full turn over 24 hours.
    You will probably find a difference in time keeping between Summer and Winter. This cannot be helped. This is called expansion and contraction.
    I fix these mechanical clocks for a living so if you need more information you are more than welcome to email me Yvonne [email protected]

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Tom Carson

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These units have a battery driven clock movement, and so the first thing to check is that the batteries are good, and also that their contacts, as well as the ones in the clock, are clean and free of dust or oxidation.
There is little else you can check, unless you're a watchmaker, and can repair or clean movements. The best thing to do, if all else fails, would be to purchase a new movement. A watch repair shop should be able to get you a replacement movement.
Good luck, and hope this helps.

Posted on Nov 20, 2010

  • Yvonne Mar 28, 2013

    Sorry!!! A true clock maker or watch maker will not bother with battery driven clocks. They are not worth the trouble and if they do fix them you will be charged way more than what the clock is worth.

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taran_2005

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Hi,

Kindly read the below paragraph :-

A grandfather clock cannot work properly unless the weights are adjusted weekly. While the pendulum works off gravity to pull the weights, the weights themselves will begin to get off balance, and the clock will not keep the right time. The owner must adjust them to the proper heights. Each weight has a different height so that the pendulum's swings affect it differently. They move the hands around the clock, based on a certain number of swings from the pendulum. If a weight is set too high or too low, it will cause the corresponding component of the clock to move at the wrong speed, throwing the time off.

There is a nice troubleshooting list :-

http://www.grandfatherclocks.info/grandfatherclockmovements/

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 20, 2010

  • Yvonne Mar 28, 2013

    Taran, Sorry to burst your bubble but you have no cooking clue what you are on about. I suggest you get your facts right. Weights are the driving force of the clock and the pendulum regulates the time. You can email me at [email protected] I fix these clocks for a living!!!!

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