Accu-just hitch pin removal

[Greg Newell]

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Tom,
         Ron gives really good advice here. The only things that I would=20
add are that #1 you'll never drill through that pin and #2 od you have=20
enough left to squeeze and pull out?

Greg Newell


At 07:56 AM 7/2/2003, you wrote:


>>I came across my first broken Accu-just hitch pin (Baldwin SD 10O today.=
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>>I had the dickens of a time trying to remove the broken section imbedded=
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>>in the plate.
>>I was amazed at how harden of steel the material is made of. It made a=20
>>mockery out of my collection of drill bits. I was able to figure in a=20
>>temporary hitch pin configuration but I would be appreciate some=20
>>suggestions of removing the old material. My goal is to install a new=20
>>Accu-just hitch from Baldwin.
>>So far drill bits and some encouragement from a small punch haven't budge=
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>>the broken pin.
>>Tom Servinsky
>
>Wow Tom, congratulations and condolences on the first broken Accu-just=20
>hitch I've ever heard of.  Three possibilities for salvage come to mind.
>
>The first is driving the pin on through until it drops out the bottom of=20
>the plate. This would require that the plate be drilled all the way=20
>through (which I presume they would have to be, but can't guarantee they=20
>are. But that's what inspection mirrors are for), and that the distance=20
>from the bottom of the plate to the soundboard is greater than the=20
>remaining length of the pin. If the pin is too long to drive through=20
>without hitting the soundboard, there's plan two.
>
>The second is running a long small diameter drill bit, say a #40, down the=
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>middle of the hitch and through the soundboard. If the "gods of things in=
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>the way" smile on you (rarely), the bit will miss both ribs and posts,=20
>leaving a hole in the panel that you can get to for the next step. If so,=
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>drill out the small hole in the soundboard from underneath to a size you=20
>can either get a punch into to drive the pin up from the bottom, or down=20
>from the top and through the soundboard hole. If the #40 bit passes=20
>through a rib, you won't want to be making the hole big enough to pass a=20
>hitch pin through, so there's plan three.
>
>Third is either pulling the plate and driving the pin out, or drilling=20
>another hole in the plate and putting a new pin in a different place.
>
>Here's hoping the gods are in a good mood.
>
>Ron N
>
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives
>

Greg Newell
Greg's piano Fort=E9
mailto:gnewell@ameritech.net=20

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