Raymarine REALVISION 3D User manual

© 2021 Raymarine UK Limited
87419 (Rev 2)Document number:
10-2021Date:
English (en-US)
Installation instructions
HIGH SPEED Nose Cone
REALVISION™ 3D

Productoverview
TheR
ealVision™thru-hulltransducerHighspeednosecone(Partnumber:A80702hasbeen
designedtoimprovetheperformanceoftheRealVision™3Drangeofsonartransducers.
TheHighspeednoseconeshouldbeusedaspartoftheinitialtransducerinstallation.
Important:
•Thedocumentationsuppliedwithyourtransducershouldbereadinconjunctionwiththis
document,priortoattemptinginstallation.
•The“T
ransducermounting”proceduredetailedinthisdocumentsupersedestheinstallation
proceduredetailedinthedocumentationsuppliedwithourtransducer.
•RetrofittingtheHighspeednoseconeonexistingRV-2xxandRV-3xxseriestransducer
installationsrequirestheholefortheanti-rotationbolttobeenlarged,to16mm(5/8inch.
•ThepartssuppliedintheHighspeednoseconeareincludedasstandardonlywithRV-4xx
seriestransducersshippedin2021onwards.ForallotherRVthru-hulltransducers,thenose
conemustbepurchasedseparately,asaccessoryA80702.
P artssupplied
ThefollowingpartsareincludedintheHighspeednoseconekit:
1.Highspeednosecone
2.Externalisolatorplate
3.Externalisolatorsleeve
4.Smallinternalisolatorsleeve
.
3

CompatibleT
ransducers
TheHighspeednoseconecanbeusedwiththefollowingtransducers:
1.R V-2xx:
•RV-200RealVision™3Dbronze0°thru-hullall-in-onetransducer(Partnumber:A80465
•RV-212PandRV-212SRealVision™3Dbronze12°thru-hullsplit-pairtransducers(System
packpartnumber:T70318
–RV-212Pporttransducer(Partnumber:A80466
–RV-212Sstarboardtransducer(Partnumber:A80467
•RV-220PandRV-220SRealVision™3Dbronze20°thru-hullsplit-pairtransducers(System
packpartnumber:T70319
–RV-220Pporttransducer(Partnumber:A80468
–RV-220Sstarboardtransducer(Partnumber:A80469
2.RV-3xx:
•RV-300RealVision™3Dplastic0°thru-hullall-in-onetransducer(Partnumber:A80470
•RV-312PandRV-312SRealVision™3Dplastic12°thru-hullsplit-pairtransducers(Systempack
partnumber:T70320
–RV-312Pporttransducer(Partnumber:A80471
–RV-312Sstarboardtransducer(Partnumber:A80472
•RV-320PandRV-320SRealVision™3Dplastic20°thru-hullsplit-pairtransducers(System
packpartnumber:T70321
–RV-320Pporttransducer(Partnumber:A80473
–RV-320Sstarboardtransducer(Partnumber:A80474
3.RV-4xx:
•RV-400RealVision™3Dstainlesssteel0°thru-hullall-in-onetransducer(Partnumber:A80615
•RV-412PandRV-412SRealVision™3Dstainlesssteel12°thru-hullsplit-pairtransducers
(Systempackpartnumber:T70450
–RV-412Pporttransducer(Partnumber:A80616
–RV-412Sstarboardtransducer(Partnumber:A80617
•RV-420PandRV-420SRealVision™3Dstainlesssteel20°thru-hullsplit-pairtransducer
(Systempackpartnumber:T70451
–RV-420Pporttransducer(Partnumber:A80618
–RV-420Sstarboardtransducer(Partnumber:A80619
4

T
ransducermounting
Themountingprocedurebelowshouldbereadthoroughlybeforeattemptingtomountthe
transducer.
Important:
•TheR
V-4xxseriestransducersarerecommendedforvesselswithmetalhulls.Wheninstalling,
ensurethatthetransducerisisolatedfromthemetalhullusingALLofthesuppliedisolatorparts.
•DoNOTinstallstainlesssteeltransducersonvesselswithapositivegroundsstem.
Important:
•Onlyperformtheinstallationwithyourvesseloutofthewater .
•DoNOTliftorsuspendthetransducerusingitscable.
•Ensurethatthetransducerbodyissupportedduringinstallation.
•DoNOTremovethelabelattachedtothetransducercable;asithelpstoensurecorrect
connection.
•DoNOTovertightenthehullnutoranti-rotationbolt.Overtighteningcancausedamagetothe
hullwhichmayresultinwaterleakingintothevessel.
Drillingholesinthehull
T oinstallaThru-hulltransduceryoumustdrillholesinthehullofyourvesselforthetransducer
stemandanti-rotationbolt.
1.Ensurethatyouareusingthecorrecttransducer(i.e.:port/starboard,0°,12°or20°tiltedelement
foryourchosenmountinglocation.
2.Usingself-adhesivetape,attachthesuppliedmountingtemplatetoyourchosenmounting
location.Ensurethatthe‘Bow’arrowonthetemplateispointedtowardsthevessel’sbowand
thatthetemplateisflatandnotcreased.
3.Marktheholecentersforthetransducerstemandanti-rotationboltholesonthehullbypiercing
throughthetemplateandusingapencilormarker.
4.Removethetemplatefromthehull.
5.Drillapilotholeforthetransducerstemhole.
6.Drilla70mm(23/4inchholeforthetransducerstem,usingaholecutter.(1
Important:
(1Ifthespecifiedsizeholecutterisnotavailable ,useaslightlysmallersizeholecutterandthen
carefullyfiletheholetothecorrectsize.Alternativelyyoucoulduseajigsawtocuttheholeand
thencarefullyfiletheedgetocreateacircletherequiredsize.
7 .Usingahalfroundfileand/orsandpaper,ensuretherearenoroughedgesorburrsaround
thetransducerstemhole.
8.Guidethetransducercableandthenthetransducerstemupthroughthetransducerstemhole
andsupportfrombeneath.
9.Ensurethattheanti-rotationboltholeislinedupwiththemarkyoumadeonthehullandthatthe
transducerisparalleltothecenterlineofthevessel.
5

10
.Holdingthetransducerinplace,carefullydrillthepilotholefortheanti-rotationbolt(usingthe
anti-rotationholeinthetransducerasaguide.
Drillinganti-rotationbolthole
11.R emovethetransducerfromthehull.
12.Drilla16mm(5/8inchholefortheanti-rotationbolt.
13.Checkthattheanti–rotationboltfitsthroughthehole.
Fittingtheanti-rotationbolt
Theanti-rotationboltandboltcapshouldbefittedasdetailedbelow.
1.Wipetheanti-rotationboltwithanappropriateclothandcleaningagent(fore xample:isopropyl
alcohol,andensurethesurfacesaredry,cleanandfreefromdebris.
2.Applyathickbeadofmarine-gradesealantaroundthestemoftheanti-rotationbolt,nearthe
headofthebolt.
3.Guidetheanti-rotationboltthroughtheholeinthetransducerensuringthattheboltheadis
properlyseated.
Theanti-rotationboltholeincludesacaptivenutcutouttopreventtheboltfromturningduring
tightening.
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4.Applyasmallamountofmarinegradesealanttotheinsideoftheanti-rotationboltcap
.
5.Fittheanti-rotationboltcapbypressingitfirmlyintotheholeinthetransducer.
Theembossed“BOW”arrowmustbepointingtowardsthetemperaturesensorinthebaseof
thetransducer.
Fittingthetransducer
Followthestepsbelowtofitthetransducertoyourhull.
Note:
Ensurethatagenerousamountofmarine-gradesealantisusedonallmatingpartsandthatthe
partsarecleananddrybeforeinstallation,toensurealonglastingwatertightsealisachieved.
Mountingandsealantapplication
1.Carefullyremovealllabelsfromthetopfaceofthetransducer .
2.Removethelabelsfromthetopfaceofthetransducer,includinganyresiduallabelglue.
3.Usinganappropriateclothandcleaningagent(forexample:isopropylalcohol,wipecleanALL
surfacesofthesuppliedcomponentsandthemountinglocation,bothoutsideandinsidethehull
ensuringthattheyarefreefromgreaseanddebris.
4.Applyathickbeadofmarine-gradesealantalloverthetopfaceofthetransducersothatitis
completelycovered.
5.FeedthetransducercablethroughthestemholeintheHighspeednosecone,positioningthe
Highspeednoseconeoverthetransducer,andthenslidethetransducerintothenose.
6.ApplypressuretotheHighspeednosecone,tocompressthesealantagainstthetransducer.
7.Feedthetransducercablethroughthestemholeintheexternalisolatorplate,andthenposition
theexternalisolatorplateintherecessinthetopoftheHighspeednosecone.
8.Feedtheexternalisolatorsleeveovertheanti-rotationbolt,positioningtheexternalisolator
sleeveintheanti-rotationholerecessinthetopoftheHighspeednosecone.
9.Applyathickbeadofmarine-gradesealant:
i.alloverthetopfaceoftheHighspeednosecone,externalisolatorplate,andexternalisolator
sleeve,ensuringthattheyarecompletelycovered.
7

ii.allaroundthebottompartofthethreadedsectionofthetransducerstemandtheprotruding
anti-rotationbolt,ensuringthatthesealantwillprotrudeapproximately6mm(0.24inabove
thefinaltightenednuts.
iii.allaroundandinsidethetransducerstemandanti-rotationholesontheexteriorofthehull.
10.Guidethetransducercablethroughthestemholeinthehull.
11.Guidethetransducerstemandanti-rotationboltupthroughtheholesinthevessel’shulland
supportfrombeneath.
12.Frominsidethevessel,applyacontinuous,thickbeadofmarine-gradesealantallaroundthe
baseoftheprotrudingtransducerstemandanti-rotationboltthreads.
13.Guidetherubberwasherdownthetransducercable,andoverthethreadedsectionofthe
transducerstem,ensuringthattherubberwashersitsflushonthehull.
14.Ifnecessary,applyadditionalmarine-gradesealanttothetransducerstem,abovetherubber
washer.
15.Withthetopfacepointingupwards,guidethelargeisolatorbushdownthetransducercableand
overthetransducerstem,ensuringitsitsflushontherubberwasher.
Large Large
Largeisolator isolator isolatorbush bush bushtop top topface face face
16.Ifnecessary ,applyadditionalmarine-gradesealanttothetransducerstem,abovethelarge
isolatorbush.
17.Ensuringthecableprotectorisfittedtothehullnut,guidethenutdownthetransducercable,
restingthenutontopofthetransducerstem.
Cable Cable
Cableprotector protector protectorfitting fitting fittingand and andremoval removal removal
A A
A—Fitting
B B
B—Removal
18.Removethecableprotectorbypullingthe2tabsawayfromthebackofthehullnut.
19.Applyathickbeadofmarinegradesealanttothebottomfaceofthehullnut.
20.Screwthehullnutontothetransducerstemandfullytighten,usingasuitably-sizedwrench
(spanner.
Ensurethatthehullnutisadequatelytightened.Y oushouldseethesealantprotrudingfrom
theedgesofallappliedsurfaces.
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21.Placethesmallinternalisolatorsleeveovertheanti-rotationbolt,ensuringitsitsflushonthe
interiorofthehull.
22.Ifnecessary
,applyadditionalmarine-gradesealanttotheanti-rotationbolt,abovethesmall
internalisolatorsleeve.
23.Placethesmallwasherovertheanti-rotationbolt.
24.Ifnecessary,applyadditionalmarine-gradesealanttotheanti-rotationboltabovethesmall
washer.
25.Screwtheanti-rotationnutontotheboltandfullytighten,usingasuitably-sizedwrench(spanner.
26.Applyathickbeadofmarine-gradesealantinthegapbetweenthetransducerandHighspeed
noseconeonthebottomandbothsides,asshownbelow.
27 .Removeanyexcesssealantontheoutsideofthehullandtransducer,ensuringasmooth
transitionbetweenHighspeednoseconeandtransducer,andtransducerandhull.
28.Ensurethatthemarine-gradesealanthasfullycured
Refertothesealantmanufacturer’sinstructionsforcuringtimes.
29.Unlesslocalenvironmentalregulationsprohibit,applyawater-basedanti-foulingpainttothe
bottomfaceofthetransducer,ensuringalloftheexternallyexposedtransducersurfacesare
coatedandthepaintoverlapsontothehull.
30.Checkforleaksaroundthetransducerimmediatelyuponputtingthevesselbackinthewater.
Important:
DoNO Tleaveyourvesselinthewateruncheckedafterinstallingyourtransducer.Verysmallleaks
maynotbeimmediatelyobvious,andaconsiderablevolumeofbilgewatercouldaccumulate
overthecourseofaday,orovernight.
31.Checkforleak satregularintervalsafterinstallation,untilyouaresatisfiedthattherearenoleaks.
32.Addaregularcheckforleaksaroundthetransducertoyourroutinevesselmaintenanceschedule.
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Anti-fouling
Wherelocalregulationsallow
,itisrecommendedthatyoucoatyourtransducerusingawater-based
anti-foulingpaint.Thiswillhelppreventthebuild-upofbarnaclesandotherorganicgrowth,which
cancauseincreaseddragthatwilldegradesonarperformance.
Important:
•Beforeapplyingwater-basedanti-foulingpaint,checkthatlocalenvironmentalrulesand
regulationsdonotprohibittheuseofanti-foulingpaint.
•Neverusecopper-basedanti-foulingpaintasthiscanimpacttransducerperformance
.
•Neveruseketone-basedanti-foulingpaintasthiscanattackthetransducer’splastic,damaging
thetransducer.
•Paintyourtransducerusingabrush,donotuseaspraycanoraspongerollerasthesemethods
cancausetinyairbubblestobeincorporatedinthepaint,whichwillalsoreducetransducer
performance.
Theanti-foulingpaintshouldbeappliedinathinandevencoatcoveringalle xternallyexposed
transducersurfaces.
Y oushouldcleanyourtransducerregularlyandre-applyanti-foulingpaintevery6months,orsooner
dependingonhowrapidlyorganicgrowthbuildsup.
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Highspeednoseconedimensions
TheHighspeednoseconewillaffecttheoverallsizeofthetransducer
,andthereforeimpactthe
arearequiredforthemountinglocationandthesizeoftheholesthatarerequiredinthehull.
•A=347 .51mm(13.68in
•B=114.00mm(4.49in
•C=68.00mm(2.68in
•D=2.00mm(0.08in
•E=14.90mm(0.59in
•F=4.00mm(0.16in
•G=33.46mm(1.32in
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Raymarine
Marine House, Cartwright Drive, Fareham, Hampshire.
PO15 5RJ. United Kingdom.
Tel: [phone]
www.raymarine.com
a brand by