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Piano Tuning & Repair - How to Install/Replace a Piano Wire/String - YouTube
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This video is going to be demonstrating
how to replace string in a piano.
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I've set up a jig that has been used for
demonstration purposes, it's not an
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exact piano, but we'll show the process
of how to replace a string.
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There's a couple different ways, if you've got a broken string
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you can leave the pins in the piano or you can take them out
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but the first way I'm going to show you is,
if the pins are out of the piano
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out of the pin block, and putting the
string on the pin, and then putting it
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into the pin block. What we've got here is a piece of pin block with a couple of holes
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drilled for tuning pins. Over here on this end, and then at the other end
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I've got a hitch pin right here to wrap the the string around.
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We're going to start her. I've got a regular tuning pin here
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and here I have some piano wire, which
we sell both the tuning pins and the
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piano wire in our online store. This tool
here is a tuning pin coil maker. This is
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a good one for coiling the wire onto the
tuning pin when the pin is outside the
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piano. It really doesn't work if the pin
is in the piano and you'll see why.
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You'll put the tuning pin in the hole.
There's a set screw right here that the
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wire is going to be pushing against as
it wraps around the tuning pin.
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What you'll do is, you slide the wire
into the hole for the tuning pin
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and then set the wire against the set screw and then pull the end of the
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wire so that it just barely sticks out
of the end, of the side
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of the tuning pin, just to slide them out
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and once you've got that set there, this
is a tuning pin crank, which is
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probably the best tool to use for this.
Now, what I'm going to do is, with
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the crank on the end of the tuning pin,
and then I'm going to turn it. I'm going
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to put about two and a half coils, okay,
so that's one, two, and about two and a
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half coils on the tuning pin. Then I'm going to kind of hold the wire there
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as I take the tuning pin out, take it off
of the stringing crank, and then I'll
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set the wire into the hole. This is a
tuning pin punch. That's a good thing, if
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you pound right on the end of the tuning
pin, doesn't always work so good, so we
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use a tuning pin punch, and we'll put that, pound that tuning pin into the hole.
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You won't want to go all the way because
you want some room to be able to coil
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and then, of course, the bottom of the
coil should be a little bit away from
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the plate, and put it in most of the way, and then what I'm going to do here then
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is wrap the wrap the wire.
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I'll pull it tight before I wrap the wire and I'll wrap that around
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the hitch pin that I've got, or the mock
hitch pin that I've got here. Then I'll
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pull enough wire out, and what I'll do is,
I'm going to cut off extra
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because I want to make sure I don't run
short. So, you generally want about
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three inches, and I'll show you how you
measure that
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but I'm going to go more than 3 inches just to make sure I've got enough here.
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So, I'll cut that off, and I've gone more than three inches, but now I'm
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going to take my stainless steel rule
here, and I'm going to measure
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three inches beyond, pulling the wire tight, I'm going to go three inches beyond the
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tuning pin hole. So there I've got three inches. I'm just going to hold that
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with my finger. I need to cut it off, and
it doesn't have to be an exact science
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but if you're at least pretty close, that
will give you about three coils on the
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end of the, three coils on the tuning pin,
when all is said and done
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So, cut that off, then what I'm going to do is take my other tuning pin and again
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I'll take the coil maker here, put the tuning pin in, and again, put it through the hole
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pull the wire so that it's just barely sticking out the end
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of the other side of the hole and then the
wire, up against the set screw, look, and
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you want to make sure the wire goes
underneath the new coils, go underneath
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and again, about two and a half turns, put
that whole pin punch
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Only thing that we have to do yet here is tighten this, tighten these up.
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Now, you want to make sure your
coils are nice and straight
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and I can use a tuning hammer for
tightening the pins.
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What I've got here is this, is a star tip
ratchet socket. It's got the star tip at
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the end to fit the tuning pins. You can't
use, or not very well, you can't use a
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regular ratchet socket because there's
not ones that would fit the tapered
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tuning pins, but this one's designed, and
we sell these in our online store also
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that fit over the ends of them on the
tuning pin. So what I'm going to do here
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is just tighten these up a little bit, and as I tighten them I'm going to use
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this is a coil lifter and string spacer. On one end it's got the end to
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hold up the the coil, lift the coil. The
other end is a string spacer. It's got
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three notches to space the three strings
of the note. So I'm going to kind of
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hold those coils up as I tighten that. I'm not going to go all the way.
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What you want to get, and again, you want
to make sure your, sometimes, if you're
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pushing up too much on your coils the
wire is going to want to go back up
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around, and then, as we get close, there's a little becket here
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that you just want to push in with some pliers to make sure that the becket is
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nice and tight, so tightening that until
it's mostly tight, and then I'll go back
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and do the other side.
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Tighten the becket on that one, and again
getting those coils nice and tight.
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This is kind of a crucial thing.
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So there we go.That's putting a string in
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of course, where it wraps around the
hitch-pin, and put it in, and then
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if because we didn't pound them in all
the way, you want to determine
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how close you want to get the coils to
the plate, and then you can go
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back and pound them in further, and
then once they're right
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where they should be, they'd be able to fine tune them
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There you are, with a newly installed
string.
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