Simrad ST90 Installation Manual

442703/B
113
Ifyouarereplacinganoldersonarwitha
newST90,youmaynotneedtoinstallanew
installationtrunk.Adedicatedtrunkextender
canbeprovidedtoincreasetheheightofyour
existinginstallationtrunk.
•Trunkextender-FromSX90toST90
–Partnumber:441659
–Height:350mm
–Drawing:439413
•Trunkextender-FromSU90toST90
–Partnumber:391397
–Height:180mm
–Drawing:374676
Topics
O-ring,page113
Mechanicalsupportbrackets,page114
Designandinstallationdrawings,page115
O-ring
AdedicatedO-ringisprovidedwiththeST90delivery.
ThisO-ringensuresawatertightconnectionbetweentheinstallation
trunkandthebottomofthetransducershaftsleeve.Duringthe
installationprocess,makesurethatthisO-ringiskeptsafefrom
damage,andthatthetopoftheinstallationtrunkiskeptclean,
smoothandwithoutphysicaldamagesuchasscratchesordents.
ProperO-ringlubricationmustbeappliedbeforethehullunitis
mountedontopoftheinstallationtrunk.
Relatedtopics
Mountingtheinstallationtrunk,page109
Installationtrunkmountingoverview,page110
Mountingtheinstallationtrunk

Simrad ST90 Specifications

General

Brand	Simrad
Model	ST90
Category	Sonar
Language	English