
Installa on Procedure
23
July 2013
Install the Universal Sostenuto Assembly...
Not used
Iden fy the piano’s Sostenuto type.
Push
‐
T
he
Sostenuto
is
engaged
when
the
actuator
rises
toward
the
strings.
Pull
‐
The
Sostenuto
is
engaged
when
the
actuator
descends
away
from
the
strings.
Steinway
‐
Part
of
the
assembly
is
built
into
the
ac on.
You
will
need
to
order
the
Steinway
Sostenuto
Assembly
from
QRS.
Part
#
70897
Drill hole here to pinch the staple.
Clamp to the Sostenuto rod here.
Use one of these three
holes for the “L” shaped
thread-rod.
These
instruc ons
explain
a
Pull
Type
Sostenuto
installa on.
Remove
the
exis ng
actuator
a ached
to
the
Sostenuto
blade.
Drill
a
hole
in
the
new
actuator
for
the
staple.
Connect
the
actuator
to
the
staple
on
the
Sostenuto
bar.
Clamp
the
actuator
over
the
bar
so
the
staple
is
pinched
by
the
hole
just
drilled
and
the
large
hole
clamps
around
the
rod.
Tighten
the
actuator
screw.
Push
the
“L”
shaped
thread
rod
through
one
of
the
three
holes
in
the
actua
‐
tor
and
secure
with
the
lock
‐
nut.
Summary of Contents for PMII
Page 26: ...Installa on Procedure 26 July 2013 Installing the Steinway Sostenuto Assembly Order 70897 ...
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