The Hammond 'Spin to Start' mantle clock is toast - how to take apart??

Discussion in 'Electric Horology' started by BobGroh, Nov 4, 2014.

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  1. BobGroh

    BobGroh Registered User

    Apr 11, 2009
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    Retired Electroncis Engineer
    Just east of Kansas City, Missouri
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    I spent some time with my new Hammond electric mantle clock "Spin To Start" and the motor is indeed toast.
    HC_Front.jpg


    Actually what seems to be a spring loaded clutch is toast - the little coil spring has gotten loose and is partially off the shaft and hanging in free air. Anyways it doesn't work. Drats. Now I have to figure out how to take it apart. Problem #1 is how to get the bezel and front glass off so I can remove the hands - it looks like the bezel 'snaps' over the dial plate. I can 'almost' push the edge of the bezel backwards (sort of like taking a tire off a bike rim) but not sure I'm doing it right. Any words of wisdom on that??

    The next problem will be removing the back plate from the front plate so I can remove the gears, motor etc and prepare the front plate for installation of a battery operated clock module. There are 3 bosses connecting the front plate (which has the dial plate and bezel) to the rear plate -see next picture:

    HC_Inside.jpg
    I would like to leave the bosses there but can't see how they connected front to back - looks like a connecting point (where the screwdriver is pointing) but it sure does not move or seperate. I could cut the boss just under the back plate edge and I guess that would work (and leave most of the boss there for remounting). Again all ideas welcome!!
     

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