Simrad ST90 - Menu System Navigation

442703/B
143
aTurnthecrankuntilthetransducerisfullyretracted.
bLoosenthebrakereleasescrewtoengagethemotorbrake.
cCheckwiththehandcranktoensurethatthemotorbrakeisengaged.
dRemovethehandcrankfromthestubshaft,andmountitinitsstorageposition
intheMotorControlUnit.
Result
Requirements
Results
Thetransducerisnew,cleanandfreefromscratches,dentsorotherphysical
damage.
Dateandsignature:
Relatedtopics
Installingthehullunit,page124
Hullunitinstallationoverview,page125
Verifyingthequalityofthehullunit
installation
Aqualityinspectionmusttakeplaceafterthehullunithasbeeninstalled,andwhilethe
vesselisstillindrydock.Theinspectionshallverifythatthesonarroommeetsthe
requirements,andthatthehullunithasbeeninstalledcorrectly.
Prerequisites
Neithertoolsnorinstrumentsarerequired.
Context
ThesonarroomisthecompartmentinwhichtheTransceiverUnitandthehullunit
areinstalled.
Procedure
1Makesurethatthehullunitisinstalledinthecorrectlocation,andthatitissuitably
orientedforeasymaintenanceandreplacementofparts.
2Makesurethattheunitisnotphysicallydamaged,andthatthepaint-workisclean
withoutdentsorscratches.
Thephysicalhandlingoftheunitduringtheinstallationmayhavecausedsome
minorscratchestothepaint-work.Thiscanbeaccepted.However,ifrough
handlinghascausedseriousdamagetotheunit,thismustberecordedwithawritten
statementandnecessaryphotos,sothatcorrectiveactionscanbemade.
Installingthehullunit