Simrad ST90 - Mounting the Trunk Extender

118
442703/B
Relatedtopics
Mountingtheinstallationtrunk,page109
Installationtrunkmountingoverview,page110
436691Installationtrunkdimensions,page435
207485Blindangedimensions(ø760mm),page438
Mountingthetrunkextender
IfyouarereplacinganoldersonarwithanewST90,youmaynotneedtoinstallanew
installationtrunk.Adedicatedtrunkextendercanbeprovidedtoincreasetheheightof
yourexistinginstallationtrunk.
Prerequisites
Thistaskmusttakeplaceindrydock.The
shipyardmustprovideallnecessarytoolsand
manpower.
Theitemisheavy.Alwaysuseappropriatelifting
equipmenttominimizeriskofpersonnelinjury
orequipmentdamages.Onlycertiedequipment
mustbeused.
Context
•Trunkextender-FromSX90toST90
–Partnumber:441659
–Height:350mm
–Drawing:439413
•Trunkextender-FromSU90toST90
–Partnumber:391397
–Height:180mm
–Drawing:374676
Procedure
1Makesurethattheuppersurfaceoftheinstallationtrunkislevel,undamagedand
clean.
2Cleanthetrunkextensionproperly.
3Placethegasket(O-ring)initsthreadatthetopoftheexistingtrunk.
4ApplyathinlmofsilicongreaseontheO-ring.
SimradST90InstallationManual