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Simrad ST90 Installation Manual

Simrad ST90
536 pages
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442703/B
89
Relatedtopics
InstallingtheoptionalgatevalveDN500,page85
Gatevalveinstallationoverview,page86
Gatevalvesystemdescription
Thegatevalvecaneitherbemanuallyoperated,orcontrolledbyahydraulicsystem.
Onthemanualtype,ahandoperatedwheelisusedtoopenandclosethevalve.Onthe
hydraulicversion,asinglebuttondoesthesamejob.
Manuallyoperatedgatevalve
Onamanuallyoperatedgatevalve,awheelisusedtoopenandclose
thevalve.Thewheelisttedongatevalve,whichmeansthatyou
needtogodowntothebottomofthevesseltooperateit.
Thegatevalveisttedwithendswitches.Theseareconnectedto
theMotorControlUnitontheHullUnit.Thisinterfacepreventsthe
transducertobeloweredwhilethegatevalveisclosed.Itdoesnot
preventthegatevalvefromclosingwhenthetransducerislowered.
Hydraulicoperatedgatevalve
Onahydraulicoperatedgatevalve,thecontrolwheelisreplacedwithahydraulicmotor.
AGatevalve
BHydraulicActuator
CHydraulicPowerPack
TheHydraulicPowerPackprovidestheoilpressureforthehydraulicmotoron
thegatevalve.
DGateV alveControlUnit
TheGateV alveControlUnitprovideslocalcontroloftheHydraulicPowerPack.It
containscontrollerstooperatetheentiregatevalvesystem.
InstallingtheoptionalgatevalveDN500

Table of Contents

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Simrad ST90 Specifications

General IconGeneral
BrandSimrad
ModelST90
CategorySonar
LanguageEnglish

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