InstallingtheTransceiverUnit
InstallingtheTransceiver
Unit
Installationof
mountingbrackets(1)
(CD15027G)
A
B
C
680î˜ Â±5î˜ mm
680î˜ Â±2î˜ mm
D
D
ADeckhead
BBulkhead
CDeck
DAnglebars
withthreaded
holesforshock
Purpose
ThisprocedureexplainshowtoinstalltheSimradSU90
TransceiverUnit.
TheTransceiverUnitisnormallypositionedinthesonarroom
closetothehullunit.
Prerequisites
FreebulkheadspaceisrequiredtomounttheTransceiver
Unitcabinet.
Observethelimitationsduetothecablelengths:
•ThedistancebetweentheHullUnitandtheTransceiver
Unitisrestrictedbytheexibletransducercablejoining
thetwo.Remembertotakeintoconsiderationtheslack
necessarytolowerthetransducer.
Important
Thecabinetmustbemountedasacompleteunit.Thedoor
mustnotbeopeneduntiltheunitissecurelyfastenedtothe
bulkhead.
Note
Theinstallationshipyardmustprovideallnecessary
installationdrawings,andifrequired,thesemustbeapproved
bytheapplicableauthorities.
Relatedtopics
•Sonarroomrequirementsonpage42
Procedure
381293/A
77
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