Simrad SU90 - Reducing Propeller Noise with Noise Filter

SimradSU90
Bleedingaircock
(CD015401-009)
A
B
C
AMinimum10mm
internaldiameter
B3/8”pipethread
CValveshownin
openedposition
Purpose
Thehullunitisprovidedwithandedicatedcocktorelease
anyairinsidethetrunk.Airinsidethetrunkmaydamage
thetransducer.
Procedure
1Mountapipewithaminimuminsidediameterof10mm
totheairbleedingcock.
[_____]Ok
2Runthisventilationwithacontinuousrisetothemain
deckoroutthroughthevessel'sside.
[_____]Ok
3Makesuretheairbleedingcockonthehullunitis
opened.
[_____]Ok
Relatedtopics
•Hullunitinstallationchecklistonpage76
Mountingthemechanicalsupport
(CD015408-004)
ARemovablesupportbrackets
BBulkhead
CHullunit
Purpose
Topreventunwantedvortexinduced
vibration,thehullunitmustbesecured
tothebulkhead.Thisprocedureexplains
howtosecurethehullunitwithsufcient
mechanicalsupport.
Important
Toensurethesafetyofthesonarsystem
andthevessel,itisveryimportantthatthe
mechanicalsupportofthehullunitgantry
issatisfactory.
Ifyoudonotinstallapropermechanical
supportforthehullunitgantry,the
guaranteewillbevoid!
Relatedtopics
•Hullunitinstallationchecklistonpage76
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