There is a very good chance that the pendulum regulator wheel and rocker assembly is out of adjustment or has a bent tooth or finger that is jamming the movement.
The adjustment of this is extremely sensitive and so a slight misalignment will at some point show up when the causes of the misalignment rotate to align once again, which is why it is a periodic fault.
Despite it being a very sensitive area and in need of a light hand to remedy, for anyone experienced in working on this kind of movement, it would be a simple and speedy repair.
Unless you have experience of working with such movements, I would recommend leaving it alone and seeking help from a professional, because of the risk of making it worse rather than better, so making it more difficult to repair in the long run.
I have a 1840 Mauthe wall clock that had that exact fault, and once it was properly aligned, it has kept excellent time for the last seven years so be gentle with it.
SOURCE: I inherited a grandfather clock which runs slow
You have to adjust the bob on pendulum. If the clock is slow, the bob on the rod must be pushed up. If the clock is fast, the bob must be pushed down. Do adjustments bit by bit, day by day till the clock is keeping time. If all this does not work, you may need to replace suspension spring (if there is any). If there are no suspension spring, the clock may need proffessional attention.
SOURCE: Watch looses time. Breitling 1884
It sounds like your either not moving enough to wind it (try winding manually) or it needs a service (gear oil gone sticky) to free it up.
Testimonial: "Thanks for the information."
SOURCE: The pendulum stopped swinging...the clock and
Hi
This clock short of needing a full service may simply be out of beat.
Taken from my web page located at:
http://antiqueclock.clockstop.com/CLOCK_BEAT.htm
"HOW TO PUT YOUR CLOCK IN BEAT"
-Included below is a 10-second sound <snip> of a clock both in and out of beat.
IN BEAT ////////\\\\ OUT OF BEAT
· Turn on your sound and click on the clocks above for a sound clip.
-One little known fact is that a clock does not have to be level to be in beat. I had a customer that had a mantel clock in an old farm house, it was brought in for repairs and sent back running great just one problem: I put the clock in beat on a level surface [a small problem] because the mantel it had set on for it's entire life was not level. I had to literally go to the house to put it in beat where it sat.
-I have often found most Grandfather or floor clocks are set up out of level and put in beat where they stand, This is fine.
-As I'm sure we now realize a clock must be in beat but not always level to function properly.
· Above is the verge with a slip clutch.
· Often found on Grandfather clocks and requires only a long swing to get it in beat.
-To get the clock on the right side in beat you would need to push the verge assembly to the left.
-If it must be bent to put it in beat, do it slightly, but don't bend any of the suspension parts.
R/ David
SOURCE: pendulum in beat but stops running after a few
CLOCK OILING TIPS
* NOTE: Many Master Clock Smiths and Hobbyists used many different oils and as many different techniques.
* It is only good sense to use only the best in quality when selecting clock oils and grease. A number of fine oils are made especially for clocks. The oil used should stay in place and not evaporate easily and have no tendency to gum or get sticky as it ages. Most clock oils meet these standards. [CAUTION: Never consider using non-clock lubricants, as they tend to not really work well in clocks. Some are too light and cause unnecessary bushings wear, while others are too thick or can evaporate, over time will gum up and stop the clock prematurely.]
Oiling Procedures
-Main-springs are oiled after cleaning and before they are recoiled.
-Teeth and pinions are never oiled.
-Normally, the dial train of gears, hour wheel, minute wheel and minute wheel post are not oiled. However, oil is used between the center shaft and cannon pinion where slip friction is present in setting the hands.
-All points of friction such as train wheel pivots to bushings are oiled. Verge faces are oiled directly.
-Oil is always used sparingly and should never run all over the plates.
Hope this tip helps.
R/
DAvid
http://antiqueclock.clockstop.com/oil.htm
SOURCE: I have an Elgin Westminister Quartz Chime clock.
I have a clock with a pendulum and it has two batteries, one for the clock and one for the pendulum.
Perhaps your is the same?
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