106
442703/B
•RemoteControlUnit(Optional)
TheRemoteControlUnitallowsyoutooperatethegatevalvefromanotherposition
onthevessel.TheRemoteControlUnitisnormallyplacedonthebridge.
AcontrolcableconnectsthehydraulicgatevalveandtheGateV alveControlUnitto
theMotorControlUnit.
ThegatevalveandthehydraulicunitsaremanufacturedbyLKV alves.Refertothe
relevantend-userdocumentationprovidedbythemanufacturer.
Procedure
1Preparethelocationandthenecessarytools.
2Observetheinstallationrequirements.
3Makesurethatthechosenlocationmeetstheinstallationrequirements.
4Formoreinformation,refertotheend-userdocumentationprovidedbythe
manufacturer.
Relatedtopics
InstallingtheoptionalgatevalveDN500,page85
Gatevalveinstallationoverview,page86
Verifyingthequalityofthegatevalve
installation
Oncethemountingange,gatevalveandtransducerdockhavebeeninstalled,aquality
inspectionmusttakeplace.Theinspectionshallverifythattheunitshasbeeninstalled
correctly,andthatthehullunitcanbemountedontopofthetransducerdock.
Prerequisites
Neithertoolsnorinstrumentsarerequired.
Context
Themountingangemustbemountedsothatitstopmatingsurfaceisinparallelwith
theseasurfaceduringnormaloperatingconditions.Thetransducerdockontopofthe
gatevalvemustremainverticalduringthesameconditions.
Thetopmatingsurfaceofthetransducerdockmustbeprotectedwithawoodencoverat
alltimesuntilthehullunitisinstalled.Itisveryimportantthatthissurfaceiscleanand
undamaged,becauseitmustbewatertightafterthehullunithasbeeninstalled.
Objectsprotrudingfromthehullwillgenerateturbulenceandownoise.Thiswill
reducetheST90performance.Protrudingobjectsmaybezincanodes,transducersor
eventhevessel'skeel.Holesandpipeoutletsarealsoimportantnoisesources,aswellas
SimradST90InstallationManual
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