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#3108590 04/20/21 11:50 PM
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I saw these on the Schaff web site. Does anyone have experience with using these? Thanks

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They do not work.


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People have come up with some interesting uses for those, none of them being the purpose for which they were intended. Why they continue to be sold to unsuspecting new technicians is a mystery.

I prefer swabbing the hole with super glue and then driving the pin back into the hole.


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Totally agree.

I tried them a couple of times, more than thirty years ago, and quickly abandoned them as a viable idea. Swabbing the hole with CA is the way to go.

One one old upright I tuned, someone had used three of those sleeves and of course they weren't working. I took out the pins, and managed to extract the sleeves from the holes, swabbed the holes with CA, put the pins back, and they were tight.

The older methods of carboard or veneer shims in the hole can work too, but not the metal sleeves. SOmetimes supply houses sell things just because they can.

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And because they have 500,000 of them in inventory and would love to get rid of them (and get a little dough for them). Buyer beware.

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Thanks for the advice.

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Originally Posted by rysowers
I prefer swabbing the hole with super glue and then driving the pin back into the hole.

A tech told me my pins are loose from G1 down on my grand. So do you pull the pin out to swab the hole? If so how do you extract it? Why not use an oversized new pin?

I see some use 2 or 3 drops of ca glue on the top and a bit from underneath, so that infers they are not swabbing the hole.

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Its just a different technique. Both work within limits.

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The "standard" piano supply house product line has several items that do not work for the stated purpose. It is a fraud for them to sell them. They know they don't work.

Sometimes I think they keep them in there so they can tell who knows what they are doing from those that don't. Then they can send the poorest grade materials to those customers and likely get away with it. In other words they sell them their "seconds".


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I would be curious, as a less experienced tech, to hear what other items in the supply catalogs that more experienced techs think don’t work. (and not the ones where people might have a difference of opinion as to it’s value, rather the things that are indisputably garbage)

I can start a new topic, if you’d like.


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Originally Posted by rysowers
People have come up with some interesting uses for those, none of them being the purpose for which they were intended. Why they continue to be sold to unsuspecting new technicians is a mystery.

I prefer swabbing the hole with super glue and then driving the pin back into the hole.
Nice to see you back, Ryan. Seems like you haven't been on PW for ages! smile

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Originally Posted by Ed McMorrow, RPT
The "standard" piano supply house product line has several items that do not work for the stated purpose. It is a fraud for them to sell them. They know they don't work.

Sometimes I think they keep them in there so they can tell who knows what they are doing from those that don't. Then they can send the poorest grade materials to those customers and likely get away with it. In other words they sell them their "seconds".


I don't know...I still think that the real issue is that they have inventory (perhaps up the Wazoo) left over from bygone years when this junk was actually promoted as for real. Nobody likes throwing stuff away...know what I mean?

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I used to use them for emergency hammer shank repairs. I'd squeeze them down to the right size and take them off once the glue dried. I know ... 'not really elegant, but they worked in a pinch.


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That's a good idea!

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