Simrad ST90 - Visual Inspection of the Hull Unit

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bUseastandardmultimetertocheckthattheresistancebetweentheunitandthe
ship'sgroundisapproximately0(zero)Ω.
6Makesurethatcableinstallationhasbeencompleted.
aMakesurethatallcablesleadingtoandfromtheunithavebeenproperly
mountedandsecured.
bMakesurethatenoughslackhasbeenprovidedoneachcabletoallowfor
maintenanceandreplacement.
7Makesurethattheunithasbeenidentiedwiththerelevantproductlabel(s),and
thatonelabelincludesthepartandserialnumbers.
Result
Requirements
Results
TheTransceiverUnitiscorrectlyinstalledwitheasyaccessformaintenance
andreplacementofparts.
TheTransceiverUnitisfreefromscratches,dentsorotherphysicaldamage.
FreeaccesstoalltheconnectorsontheTransceiverUnitareprovided.
AllcablesconnectedtotheTransceiverUnitareproperlymountedwith
enoughslack.
TheTransceiverUnitcanbefullyopened,andyouhavefullaccesstothe
circuitboardsandmodulesinsidetheunit.
TheweldsandbracketsthatsupporttheTransceiverUnitarestrongenough
toholdtheunitsecurelyinplaceunderalloperatingconditions.Thewelds
andbracketshavebeenpaintedwiththecorrectpreservationmediumto
preventcorrosion.
TheTransceiverUnitisproperlygrounded.
Dateandsignature:
Relatedtopics
Settingtoworksummary,page242
InspectingtheST90installation,page245
Visualinspectionofthehullunit
Avisualinspectionofthehullunitisrequiredtomakesurethattheunithasnotbeen
physicallydamagedduringtheinstallation.Itisalsoimportanttocheckthattheunithas
beeninstalledcorrectly.
Prerequisites
TheST90isinstalledasspeciedinthismanual.TheST90isturnedoff.Youneed
thefollowingequipment:
•Multimeter
Settingtowork