User guide

Installaon Procedure
26
...Installing the Universal Sostenuto Assembly...
Install the push lever whichconsistsofthePushBlock,theMainSha,theShaBearingsandtheSwingArm.
Determineplacementofthepushleverbyfirstinstallingthepedallyreonthepiano.Placethepush leversothat
theendofthelyre’sSostenutorodisontheouteredge
ofthepushblockwhenthepedalisnotdepressed.Make
surethatthereisclearanceasthepushblocktravelsthroughitsarcasthepedalisdepressed.Thepushblockposi‐
onisadjustablebylooseningtheset‐screw.Thereareseveralindentsintheshaforposi
oning.Alsonotethe
posionoftheshabearingandbushinghasbeenplacedasclosetothebendintheshaaspossibletoprevent
thebushingfromworkingitswayoutduringoperaon.Onlythisshabearingshouldbefastenedinplaceatthis
me.It
isOKfortheshabearingstoslightlyoverhangtheslot.
The assembly may need inset into the keybed to accommodate the key solenoid rail and rail cover.

InsertthesecondShaBearingandtheSwingArmtotheMainSha.Screwthefirstlock‐nutontothethread‐rod
andthenawasher.Pushthethread‐rodthroughtheovalholein
theSwingArmandthenaddthesecondwasher
andlock‐nut.Donotghtenthelocknuts.
Centerthethreadrod/SwingLeverassemblyintheslotbeingmindfulofwherethepianokeysandsolenoidrail
willbelocated.TheSostenutopartscantouchneitherwhentheinstallaonis
completed.Oncetheacvatoras‐
semblyiscenteredproperlyyoucanscrewthesecondshabearinginplace.
Push Block & Felt Pad
Shaft Bushing
Shaft Bearings
Main Shaft
“L” Shaped Thread-Rod
Swing Arm
Lock Nut
Washer
Swing Arm
Washer
Lock Nut