CASE CONSTRUCTION CX26C - Biodiesel Fuel Specifications and Usage

6-MAINTENANCE
Generalspecication-Biodieselfuels
BiodieselusageinCASECONSTRUCTION
products
IntroductiontoFattyAcidMethylEster
(FAME)biodiesel
FAMEbiodiesel,calledbiodieselfuelinthefollowingsec-
tion,consistsofafamilyoffuelsderivedfromvegetable
oilstreatedwithmethylesters.
Therearetwomainbiodieselfueltypes:Rapeseed
MethylEster(RME)andSoybeanMethylEster(SME).
RMEisablendofrapeseedandsunowermethylester,
andisthepreferredcropinEurope.SMEisthepreferred
cropintheUnitedStates.
Biodieselfuelisarenewablealternativefuelsource.Its
useanddevelopmentispromotedworldwide,especially
inEuropeandintheUnitedStates.
NOTICE:Youremissionscontrolsystemiscompatible
withupto7%biodieselfuel(B7).Beawarethattheuse
ofbiodieselfuelthatdoesnotcomplywiththestandards
mentionedinthissectioncouldleadtoseveredamageto
theengine,fuelsystemoraftertreatmentsystemofyour
machine.Theuseofnon-approvedfuelsmayvoidCASE
CONSTRUCTIONWarrantycoverage.
BiodieselcanbeusedtorunStageIVdieselengines
onlywhenblendedwithstandarddieselfuel:
•
B7:indicatestheblendof7%biodieseland93%diesel
fuels.
NOTICE:NeverusebiodieselblendshigherthanB7.
Biodieselfuelhasseveralpositivefeaturesincomparison
withdieselfuel:
•
Biodieseladdslubricitytothefuel,whichisbenecial
inmanycircumstances,particularlyassulfurandaro-
maticsareremovedfromthefuel.
•
Biodieselhasagreatercetanenumberandburns
cleaner.
•
Biodieselproduceslessparticulatematterandreduces
smokeemissions.
•
Biodieselisfullybiodegradableandnon-toxic.
Dieselandbiodieselfuelspecications
StageIVdieselfuelspecicationsarecoveredbythe
following:
•
EN590-SpecicationofDieselfuel.(10ppmsulfur
maximum.)
Biodieselblendsarecoveredby:
•
EuropeanDieselFuelSpecicationEN590allowsupto
7%biodieselsince2009.Europeanfuelsuppliersare
allowedtouseupto7%biodieselfuel(B7)tosupply
thenetwork.
Purebiodieselblendstock(B100)specicationis
coveredbythefollowingrequirements:
•
Europe:EN14214-Automotivefuels.FattyAcid
MethylEster(FAME)fordieselengines.Requirements
andtestmethods.
•
DINV51606-Germanstandardforbiodiesel.
Beforerawoilcanbeconvertedintousablebiodiesel
fuel,itmustundergotransestericationtoremoveglyc-
erides.Duringthetransestericationprocess,theoil
reactswithanalcoholtoseparatetheglycerinefrom
thefatorvegetableoil.Thisprocessleavesbehindtwo
products:methylester(thechemicalnameforbiodiesel)
andglycerine(abyproductusuallysoldforuseinsoaps
orotherproducts).
NOTICE:BiodieselfuelsapprovedforuseintheCASE
CONSTRUCTIONequipmentmustbetransesteriedand
complywiththeEuropeanStandardEN14214ortheGer-
manstandardDINV51606.
NOTICE:ColdPressedBiodiesel,ColdPressedOil,
StraightVegetableOil(SVO),ormoregenerallyunre-
nedvegetableoilsusedasmotorfuel,arefuelsthat
arenormallymadefromRapeseedoilorsimilarhighoil
contentcrops.Thesekindsoffuelarenottransesteried,
sotheydonotfulltheEN14214requirements.Thereis
norecognizedqualitystandardavailableforthesetypes
offuel.ThereforetheuseofColdPressedBiodiesel,
ColdPressedOil,StraightVegetableOil(SVO),ormore
generallyunrenedvegetableoilsusedasmotorfuel
areNOTAPPROVEDatanyblendinanyCASECON-
STRUCTIONproduct.
NOTICE:Anyengineandfuelinjectionequipmenttted
toaCASECONSTRUCTIONvehiclefoundtohaverun
withanyblendofNON-APPROVEDfuel(fuelnotfullling
thespecicationdescribedintherequirementEN14214)
willnolongerbecoveredforWarrantybyCASECON-
STRUCTION.
Biodieselfuelusageconditions
Youmuststringentlyfollowthebiodieselfuelusagecon-
ditions.Incorrectapplicationofthebiodieselfuelusage
conditionscouldleadtoseveredamagetotheengine,
fuelinjectionequipmentandaftertreatmentsystem.
Themainconcernsrelatedtooperationwithbiodiesel
fuelsare:
•
Filtersandinjectorblockagecausedbypoorfuelqual-
ity.
•
Wearandcorrosionofinternalcomponentsduetowa-
tercontent,whichaffectslubricity.
•
Deteriorationofsomerubbersealingcompoundsinthe
fuelsystem.
•
Biodieseloxidation,whichcanleadtotheformationof
depositsthatcanharmthefuelinjectionsystem.
6-4