endsofthecutlassbearing.Ifworn,replacementisnecessary.Propellershaftsmustbe
perfectlystraight.Bentshaftscancausevibrations,misalignment,excessivestuffing
boxleakage,wearofthecutlassbearingandextensiveenginedamage.(Referalsoto
Section30:03)Theshaftis1"indiameterwitha1/4"keyandstandardtaperexceptfor
Sabre28'swiththeAtomicFourenginewhichhasa7/8"diametershaft.
Itisadvisabletolockthepropellershaftwhilesailingbyleavingtheengineingear
whenshutoff.Withsolidpropellers,itisfeltthattheleastamountofdragwilloccur
whenthebladesarelockedinapositionwhichhastheminlinewiththestrut.Thiscan
bestbedonebeadjustingthepropellertosuchapositiononlandbyturningitwiththe
engineinneutral.Markwithpaintapointontheshaftcoupling
17:00DRIVESHAFTANDPROPELLERSYSTEM(Cont'd)
adjacenttoareferencepointontheengine.Thepropellercanthenbemovedtothis
positionandlockedinplacebyputtingtheengineingear.Volvoenginesshouldbeleft
inforwardandWesterbekeenginesshouldbeleftinreversewhensailing.(Referalsoto
Section16:10)
Withfoldingpropeller,thepreferredpositioniswiththebladesverticalwhenclosed.
Thiswillpreventabladefromhangingopensincetheyaredesignedtoclosebytheforce
ofwaterundersail,whileinthehorizontalposition.
18:00FUELSYSTEM
Greatcarehasbeentakenintheselectionandinstallationofpartsrelatedtothefuel
system.Cautionisadvisedduringanyprocedureaffectingthissysteminorderto
maintaintheintegrityofthesafetybuiltin.(RefertoI17)
18:01DECKFILLPLATE
:Adeckfillplateandcoveraremountedflushwiththedeck.
Useonlythespannerwrenchprovidedtoremoveorinstallthecover.
18:02FUELTANK
:Thealuminumfueltankisventedthroughaflexiblerubberhosethat
extendsfromthetopofthetanktoascreenedventatthestern.Thescreenshouldbe
checkedperiodicallyforinsectsordebriswithcouldobstructventingandtherefor
preventtheflowoffuel.
Thefuelliftpumphasacapacityinexcessofthatrequiredbytheinjectorpump.The
overflowispipedbackintothefueltank.
Thedeckfillplate,fueltankandengineareallconnectedtothegroundingsystem.
(RefertoSection22:00forfurtherinformation)
18:03SHUTOFFVALVE
:Afuelshutoffvalveislocatedonthesideofthegalley
facingthequarterberth.Thehandleisverticalwhenopenandhorizontalwhenclosed.
Keepthisvalveclosedatalltimeswhentheengineisnotinuse.
18:04FUELFILTERS
:Adependablesupplyofcleandieselfuelisnecessarytoinsure
satisfactoryoperationoftheengine.Cleanlinessandcareareimportanttoallaspectsof
thefuelsystemandspecialcareagainstcontaminationduringfuelingshouldbeused.
Aprimaryfuelfilterismountedintheenginecompartmentwhichseparateswaterfromthe
fuelthroughcentrifugalandgravitationalforce.Foreignparticlesaretrappedina
replaceablefilterelement.Theelementshouldbecheckedperiodicallyandrequires
changingaminimumofonceperseason.Aglassbowlonthebottomofthefilterallows
easyinspectionforthepresenceofwater.Anywatercanberemovedbyopeningthe
petcockonthebottom,asthewaterisdenserthanfuel.
Asecondaryfuelfilterisfittedontheenginebetweenthefuelliftpumpandthe
injectorpump,alsocontaininganelementwhichshouldbereplacedeachseason.Referto
theengineowner'smanualforfurtherdetails.
18:00FUELSYSTEM(Cont'd)