Kongsberg EA440 - Page 46

46
392616/B
1Nut
2Threadedrodwithsuitable
diameterandlength,
weldedtothebottomof
thefairing
3Washer
4Transducercable
5Hull
6Fillwithsuitablelling
compound(putty)to
reduceownoise
Procedure
1Liftthetransducerupinto
islocation,andalignthe
holesonthetransducer
withthethreadedrodsweldedtothefairing.
Observethedirectionofthetransducer.The"forward"markingmustpointtowards
thebowofthevessel!
2Pushthetransducerinplace.
3Fastenthetwonutsontheendofeachthreadedrod.
UseLoctite290tosecurethebolts.
4Fillthetwoboltholesinthetransducerwithasuitablellingcompound(putty),
andsmoothoutthesurfaceofthetransducerface.
Anyobstructions,cracks,dentsorunevennessonthetransducerfacemaycause
ownoise.
5Whenthetransducerhasbeenfastened,inspecttheplatingaroundthetransducer
face.
Important
Makesurethatthesurfaceofthetransducerface,aswellastheplatingandputty
aroundthetransducerisasevenandsmoothaspossible.Obstructionsonthese
surfaceswillcreateproblemswithturbulentow,andmaycausenoise.
6Ifrequired,allowtherelevantmaritimeauthorityand/orclassicationsocietyto
inspectandapprovethetransducerinstallation.
EA440Installationmanual