User guide

Installaon Procedure
8
Upright Piano Installaon ‐ Recommendaons...
This secon outlines the differences between the installaon of the QRS kit in an upright piano versus a grand. The
differencesarerelavelysmall,andaninstallerfamiliarwiththeinstallaonprocedureforagrandpianoshouldhaveno
difficultyinstallingthesystemin
anupright.Thedifferencesareasfollows:

Ona grand pianotheslot cutinto thekeybed isdeterminedbythelocaon ofthekeytails.Theposionofthe acon
determineswheretocuttheslotandyoumounttherailtotheboomofthekeybedaccordingly.Onanuprightpiano, 
with limited
 space for the components, the slot locaon is  determined the posionof the keysolenoid  rail assembly.
Beginbydetermininghowclosecanyoumounttherailtotheplateandsllhavetheplungersstriketheboomofthe
keys.Andremember,youwantthe
plungersasclosetotheback‐endofthekeysaspossible.

Onagrandpianoweusuallycutonelongslotinthekeybedforthekeysolenoidrail.Wewanttocutthreeslotsinthe
uprighttokeepthewoodatthebreak‐pointstosupporttheac
onbracketstuds.Wesuggestaddingapieceofangle‐
irontosupportthekeybed.Thisismountedatthebacksideofthebalancerail.

Sincethemechanismishiddenfromview,akeysolenoidrailcoverisnotnecessary.

SostenutoandSustainPedalTrapworkaren’tusedon
theupright.Wedorecommendinstallingthepedalsolenoidfor
beerplayback.Thesustainpedalmechanismonanuprigh tisverydifferentfromthatofagrandpianoandrequiresthe
installertofabricateamounngsystemspecifictotheindividualpiano.
AsofAugust,2013QRS
includestheVercalPedalSolenoidLierassemblyintheuprightkit.

Inmostcases,thebackrailandbackrailclothmustberelocatedtowardthebackedgeofthepianokeys.
IMPORTANT:Caremustbetakentofirstmeasurethekeydipatthebackendofthekeysbeforeanyworkbegins.Sec‐
ondly, aer the back
rail has been relocated, you must ensure that the key dip is exactly the same as it was before
starng.Ifitisnot,youmusteithertrimthebackrailorshimituptoitsoriginalmeasurement.

Specialuprightdriverboardmounngbracketsarerequiredfor
mounngthedriverboardstothe solenoidrail.These
bracketsarelongerwhichallowthedriverboardstohangbelowthesolenoidrailtosavespace.Sincetheuprightkey‐
bedisthinnerthanagran d, longerkeysolenoidrailmounngbracketsaresuppliedwiththeuprightkit.

SPECIAL NOTE: Thedriver boards are usually  oriented  differently on an upright which will change the order that the
keysplay.Youcanreversethekeyorderbyselecng“InvertKeyb ed” inthe“PlaybackParameters”seconofPMII.

Alloftheelectroniccomponentsaremountedinside the
pianoinaplaceconvenientfortheinstaller.
Smallerspeakersaresuppliedwiththeuprightkit.

Youmayneedtocuta1”holedirectlythroughthesoundboardofthepianotowardstheboomofthepianoattheend
wherethepowersupplyisusuallymounted.Thiswill
allowthemainpowerplugtoeasilybepluggedintoawalloutlet.
Thisholewillnotaffectthesoundofthepianoinanyway.

Alignmentofthesolenoidrailismadebylayingawoodensckatthetop backedgeofthekeysandcarefully
transfer‐
ringthecenterlineofeachkeyontothewoodensck.Thissckwillbecomeyourguidetoposionthe keysolenoidson
therail.Rememberthatastandardinstallaonis80notes.Startwithnote#5andendwithnote#84andslideeachpair 
of
solenoidsindirectalignmentwithyourmarksonthealignmentsckandghtenthe11/32”nuts.

We’veincludedsomepicturesonthenextfewpagestohelpyouwiththeuprightpianoinstallaon.