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  • #49686
    chaplin37
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    • Topics Started: 90
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    Im servicing a deneker grandfather clock and it runs with no problem. Once i put the pendulum on it will swing for about 5 min and then stops. As soon as i take the pendulum off it starts ticking again. Any suggestions?

    #63339
    gerene
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    • Topics Started: 16
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    You probably already checked it, but just to make sure: are you certain the clock is in beat?
    My (limited) experience is that when it ticks without the pendulum it is probably a question of putting the clock in beat.

    regards,

    Jan

    #63340
    chaplin37
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    • Topics Started: 90
    • Total Posts: 175

    Hi Jan,

    That just dawned on me after I posted and I checked the beat this morning and it definitly is in beat. What i did notice is that when i took the hands off it didnt stop running. I’m just taking a guess at this but could it be that the hour hand could have been pushed too far down?

    Thanks

    #63341
    gerene
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    • Topics Started: 16
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    If the clock runs without the hands then most likely the hands will bind somewhere ;)

    Jan

    #63342
    bernie weishapl
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    • Topics Started: 58
    • Total Posts: 1218

    Put the hands on one at a time. First put the minute hand on. If it continues to run then take it off and put just the hour hand on. If it stops something is amiss and it could be rubbing. If it does run with it on add the minute hand. If it stops running then I would say you are losing power somewhere in your time train. So if it runs with them on one at a time but not with both the weight of the hands believe it or not could stop it. Then you will need to go back to recheck your service. Did you polish the pivots? Check each pivot with your finger nail to see they are all smooth and no rough spots. Have all the holes been checked and pegged out? Did any of them need bushings and if you did put bushings in check those for loss of power. Make sure they aren’t to tight. Check and make sure you have end shake in each wheel. Just some things I would check if it were in my shop. One thing I also do before final assembly is to assemble the time train without the verge on. I spin the chain wheel to get it going pretty good and if it spins for a few seconds it is probably ok but if you spin it and if the train stops pretty quickly then something is wrong in the train. I do this with the chime and strike train also. Just some thoughts

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chaplin37clock stopping