Transceiverunitinstallation
TRANSCEIVERUNITINSTALLATION
ThischapterexplainshowtoinstalltheSimradSX90Transceiver
Unit.Itisnormallypositionedinasonarroomclosetothehull
unit.
Topics
•TransceiverUnitpreparationsonpage49
•TransceiverUnitinstallationprocedureonpage49
Relatedtopics
•Sonarroomrequirementsonpage32
TransceiverUnitpreparations
FreebulkheadspaceisrequiredtomounttheTransceiverUnit
cabinet.
Note
TheTransceiverUnitmustbemountedasacompleteunit.The
doormustnotbeopeneduntiltheunitissecurelyfastenedto
thebulkhead.
BeforeyoumounttheTransceiverUnit,observethatthedistance
betweentheHullUnitandtheTransceiverUnitisrestrictedby
theexibletransducercablejoiningthetwo.Remembertotake
intoconsiderationtheslacknecessarytolowerthetransducer.
D
o n o t fastenthetransducercabletotheTransceiverUnituntil
describedlaterinthestart-upprocedure.
Note
Theinstallationshipyardmustprovideallnecessaryinstallation
drawings,andifrequired,thesemustbeapprovedbythe
applicableauthorities.
TransceiverUnitinstallationprocedure
Observethefollowingprocedure.Toensurecorrectoperation,
tickoffeveryitemwhentheactionhasbeencarriedout.
1
Removethetwomountingbracketswhicharefastened
totheshockabsorbersontheTransceiverUnit.
•UsetheAllenkeyfoundintheplasticbagfastenedto
theuppershockabsorber.
2
Weldthemountingbracketssecurelytothebulkhead.
3
UseachainfallorsimilardevicetolifttheTransceiver
Unitintopositionandboltittothemountingbrackets.
307531/C
49