Installation manual

Howtoinstallthetransducer
HOWTOINSTALLTHETRANSDUCER
Therearemanydifferentwaystomountthetransducer.Theseare
therecommendedmethodstomountastreamlinedandcircular
transducersunderthehullorinatowedbody.
Transducerinstallationinblister
Withatransducerwithcircularhousing,onerecommended
installationmethodisbyusingablister.Thetransducerblister
mustbedesignedandmanufacturedbytheinstallationshipyard
totthevessel’ssizeandhullshape.
Usethemountingring
Largecirculartransducersaredesignedtobemountedusing
amountingring.Asuitablemountingcanbeprovidedby
Simrad,drawingsarealsoavailableforlocalproduction.The
mountingringisweldedtotheholepreparedforthetransducer.
Boltsthroughthetransducerbodyintothemountingringwill
securethetransducerinplace.Notethatseveraltransducersuse
directionguidestoallowcorrectmounting.
Smoothsurfaceisimportant
Mountingscrewsorboltsmustnotbeextrudingfromthe
transducerortheareaimmediatelyaroundit.Makesurethatthe
surfaceofthetransducerface,theinstallationhardwareusedto
mountit,thehullplatingandtheputtyaroundthetransduceris
asevenandsmoothaspossible.Obstructionsonthesesurfaces
willcreateproblemswithturbulentow.
Useahorizontalsupportbaronlarge
transducers
Duetoitsphysicalsize,the38-7transducermustbettedwith
ahorizontalsupportbar.Thepurposeofthissupportbaristo
protectthetransducerfromdamageintheeventofslamming.
Thishappensifthevesselhullclimbsoutofthewaterinheavy
seas.Theforceofthewaterwhenthehullfallsdownmaypush
thetransducerupandcausedamagetoitsmounting.Thesupport
barcanbesecuredtothemountingringusingthreadedrods.See
Supportbar[206574]onpage39.
[1]
1.Slammingistheimpactofthebottomstructureofashipontotheseasurface.Itismainlyobserved
whilesailinginwaves,whenthebowraisesfromthewaterandsubsequentlyimpactsonit.Slamming
inducesextremelyhighloadstoshipstructuresandistakenunderconsiderationwhendesigningships.
(Wikipedia)
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