Installa on Procedure
17
July 2013
...Cu ng the Keybed Slot
Taking
into
account
any
varia ons
in
the
contour
of
the
front
of
the
piano
and
using
the
frame
square
aligned
with
the
mark
just
made
on
the
front
underside
of
the
keybed,
measure
and
mark
the
depth
measurement
on
the
underside
of
the
keybed.
Next,
measure
1/4"
toward
the
front
of
the
piano
scribing
a
straight
line
between
the
bass
and
treble
notes.
Then
measure
1
‐
3/4"
toward
the
rear
of
the
piano
from
the
newly
scribed
line.
Whenever
possible
we
recom
‐
mend
keeping
in
the
breaks.
Each
slot
should
be
at
least
1
‐
3/4"
wide
(2”
Maximum).
The
longitudinal
center
of
each
slot
must
correspond
to
the
center
line
of
the
felt
padded
key
tails,
which
is
1/2"
in
from
the
end
of
each
key.
Verify
the
marks
just
made.
Drill
a
small
exploratory
hole
within
each
slot
and
compare
the
posi on
of
the
slot
with
the
marks
made
inside
the
case.
Correct
each
slot
posi on
as
required.
Using
a
1
‐
3/4"
Forstner
bit,
drill
holes
centered
at
the
ends
of
each
slot.
Cut
the
lengths
of
each
slot
with
a
sabre
saw,
circular
saw
or
router
(being
extremely
careful
with
all
power
tools),
con
‐
nec ng
the
end
holes
just
made.
Avoid
cu ng
away
the
breaks
between
the
slots
if
possible.
Rasp
or
sand
the
slots
smooth
and
square
with
the
surface
of
the
keybed.
Bevel
the
top
most
slot
edges
with
coarse
sand
paper.
The
slots
should
be
sealed
with
paint
matching
the
bo om
of
the
piano,
or
a
clear
sealant
to
retard
drying
of
the
wood.
At
this
point
the
slots
have
been
posi oned
and
cut.
Now
is
the
me
to
remount
the
So
Shi
Lever.
Side
View
of
Modi
fi
ed
Keyframe
and
Keybed
Summary of Contents for PMII
Page 26: ...Installa on Procedure 26 July 2013 Installing the Steinway Sostenuto Assembly Order 70897 ...
Page 50: ......
Page 51: ......
Page 52: ......