Simrad ST90 - Mounting the Hull Unit on Top of the Installation Trunk

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442703/B
Mountingthehullunitontopofthe
installationtrunk
Theupperpartsofthehullunitincludethemechanicalgantry,thehoistmotorandthe
MotorControlUnit.Thetransducershaftissupportedbythegantry,andpenetratesthe
mountingange.Thecompletearrangementismountedontopoftheinstallationtrunk.
Prerequisites
Theshipyardmustprovideallnecessarytoolsandmanpower.Thefollowingspecic
toolsandconsumablesarerequired.
•Siliconegrease
•Locktite
•Torquewrench
•Acranecapableofliftingtheentirehullunit
Minimumliftingcapacity:2000kg
Thefollowingspecicitemsarerequiredforthistask.Itemsthatarenotincludedwith
theST90deliverymustbeobtainedlocally.
•24xPinbolts/MountingboltsM24x90
•24xNutsM24
•24xWashersM24
•O-ring540-078749(Thisitemisincludedinthedelivery.)
Note
Thehullunitisheavy.Appropriateliftingequipment(liftingtackle,portablecraneor
ship’ scrane)isrequired.Alwaysuseappropriateliftingequipmenttominimizeriskof
personnelinjuryorequipmentdamages.Onlycertiedequipmentmustbeused.
SimradST90InstallationManual