Installa on Procedure
16
July 2013
Cu ng the Keybed Slot...
Tools
needed
for
this
chapter
include
a
circular
saw
(sabre
saw
with
a
su
ffi
ciently
long
blade/
router
may
be
used),
a
power
drill
with
a
sharp
1
‐
3/4"
Forstner
bit
(or
wood
boring
bit),
various
screwdrivers,
a
frame
square,
a
pencil,
a
tape
measure,
and
paint
that
matches
the
underside
of
the
piano.
At
this
point
the
piano
is
on
its
legs,
the
ac on
is
outside
of
the
piano
case
and
has
been
modi
fi
ed
to
allow
the
key
tails
to
protrude
over
the
rear
of
the
key
frame
by
1
‐
1/4".
Felts
are
a ached
to
the
undersides
of
each
key
tail,
and
the
original
trapwork
is
s ll
in
place.
Next,
have
an
assistant
press
the
sustain
pedal.
While
he
depresses
it,
measure
the
distance
the
pedal
lyre
li
rod
moves
and
write
it
down.
Likewise,
measure
the
distance
the
damper
li
rail
rises
when
the
pedal
is
pressed.
This
measurement
can
be
taken
from
inside
the
case.
Next,
mark
the
exact
loca on
of
the
upward
extension
of
the
pedal
lyre's
ver cal
rods
onto
the
keybed
bo om.
Set
these
measurements
aside
for
later
trapwork
installa on.
Repeat
the
above
step
with
the
Sostenuto
pedal
(if
it
exists).
There
may
be
two
or
more
ac on
stop
blocks
inside
the
case.
These
blocks
stop
the
inser on
of
the
grand
piano
key
‐
board
at
the
proper
loca on
and
prevent
it
from
li ing
up
o
ff
the
keybed.
In
the
event
that
these
interfere
with
the
slot
to
be
cut,
remove
by
force
applied
by
a
sharp
chisel
and
hammer.
Remove
the
lyre
from
the
piano.
Turn
the
piano
on
its
fl
at
or
bass
side
and
secure
it.
Make
a
visible
pencil
mark
outlining
the
bass
and
the
treble
legs.
Next,
remove
each
leg
marking
them
accordingly
(bass,
treble,
tail)
and
place
in
a
safe
area
to
prevent
damage.
Use
a
pencil
and
mark
the
lyre
rod
strike
points
(where
the
lyre
rods
hit
the
original
trap
work)
on
the
bo om
of
the
keybed.
Remove
all
trapwork,
and
other
parts
that
may
interfere
with
the
keybed
modi
fi
ca ons
from
the
underside
of
the
piano.
Using
a
tape
measure,
record
the
distance
from
the
front
of
the
piano
case
to
the
marks
you
previously
made
inside
the
case.
Do
this
on
both
the
bass
and
treble
end.
Call
this
the
depth
measurement.
Transfer
the
slot
marks
made
on
the
inside
of
the
piano
case
to
the
underside
of
the
keybed.
For Upright installations, See Page 9.
Summary of Contents for PMII
Page 26: ...Installa on Procedure 26 July 2013 Installing the Steinway Sostenuto Assembly Order 70897 ...
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