Elgin 31 day wind up wall clock pendulum in beat but stops running after a few minutes ... no apparant pendulum brushing against anything ... just seems that the momentum isn't enough to keep it running? If it needs new/additional lubrication, what pivots/places should be targeted and what is preferred luibricant
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Re: 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.]
-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.
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I am unsure wha you mean by "fix the pendulum". If you mean it stopped swinging, there are two reasons: first check the battery and contacts. Remember, even a new battery can be bad, which is why new things come with warranties. The other thing is quartz movements usually don't last too long. If the pendulum is not swinging, and is correctly attached to the movement and the battery is good, then the movement has gone bad and you need a new one. Most all clock shops keep quartz movements on hand. If you are a do-it-yourself type, you can get them off the Internet. Be sure to remove the old one first and check how thick the dial is, that's how they sell them by dial thickness.
First you have to wind up your clock using the key supplied. The pendulum suspension spring should start to swing quite fast. Stop it swinging with your fingers and hook up the pendulum. When done, push the pendulum to whatever side and release it to start the swing - the clock should start ticking in normal order. If there is no special bar on the back of clock movement for adjusting hands, then hands must be adjusted from the dial side by moving minute hand clockwise. Move the minute hand with your finger clockwise to the desired time, at the same time do not catch hour hand, as this may end up with the incorrect time displayed.
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Wind the clock until there is a sudden increase in resistance (it is then fully wound). So not apply a great force, as older clocks may be weaker and overloading the spring may break the termination and result in a new spring being required.
If you think it is becoming too stiff, just stop winding and see how long it runs for. I have often heard the term "over winding at clock" but have never quite understood the term. As a retired engineer I think that springs that break because of overenthusiastic winding are probably near the end of their life anyway.
On mine, the center one (@the 6 position) is the one that keeps the pendulum swinging. It is the one that lengthens the most during the week and if I forget to wind it, that pendulum is all the way down when the clock stops.
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.
After reading all the explanations I understand that your clock is not overwound or damaged and do not need any further repairs even you've been transporting (carrying) it. The reason it does not work is simple - your clock is out of beat and all it needs is just to put it back in beat. This is simple operation for watch/clock repairer, but would be very difficult for you without proper knowledge. So, my advice is: Take your clock back to that repair shop (don't forget the receipt for the previous job done). You must carry the clock with the pendulum off, but don't leave it at home. When in shop, ask to put the clock in beat. Simply say: '' My clock is out of beat. Can you correct this for me, please?'' As this clock was repaired there some time ago (receipt is proof), this is clockmakers responsibility to put it in beat before handling back to the customer. As well as this, clockmaker should have to explain how to carry the clock and how to hook up the pendulum without disturbing the escapement. If it was not done, you have the rights to ask to fix all that. Do not be afraid to go and to ask them to finish their job properly. These are your consumer rights and you are not asking for any extra work to be done. Do not try to contact them over the phone, as it is allways better to face the person and speek directly. Pull your socks up and go! Good luck.