7-MAINTENANCE
Generalspecication-Biodieselfuels-Biodieselfuels
BiodieselfuelusageinMILLERproducts
Introductiontobiodieselfuel
FattyAcidMethylEster(FAME)biodieselfuel,called
biodieselfuelinthefollowingparagraphs,consistsofa
familyoffuelsderivedfromvegetableoilsthatproducers
treatwithmethylesters.
Therearetwomainbiodieselfueltypes:Rapeseed
MethylEster(RME)andSoybeanMethylEster(SME).
RMEisablendofrapeseedandsunowermethyles-
ter.RMEisthepreferredcropinEurope.SMEisthe
preferredcropintheUnitedStates.
Biodieselfuelisarenewablealternativefuelsource.Its
useanddevelopmentispromotedworldwide,especially
inEuropeandintheUnitedStates.
NOTICE:ItisimperativethatyoucheckwithyourMILLER
dealertolearnwhichbiodieselfuelblendMILLERap-
provesforuseinyourengine.Beawarethattheuse
ofbiodieselfuelblendsthatdonotcomplywithASTM
D6751orEN14214couldcauseseveredamagetothe
engineandfuelsystemofyourmachine.Theuseofnon-
approvedbiodieselfuelblendsmayvoidMILLERWar-
rantycoverage.
Biodieselfuelblendsusethefollowinglabelstoindicate
thepercentageofbiodieselfuelintheblend:
•
B5:indicatestheblendof5%biodieselfueland95%
dieselfuel.
•
B7:indicatestheblendof7%biodieselfueland93%
dieselfuel.
•
B20:indicatestheblendof20%biodieselfueland80%
dieselfuel.
•
B100:indicates100%biodieselfuel.
Biodieselfuelhasseveralpositivefeaturesincomparison
withdieselfuel:
•
Biodieselfueladdslubricitytothefuel.Additionallu-
bricityisbenecialinmanycircumstances,particularly
asfuelscontainlesssulfurandaromatics.
•
Biodieselfuelhasagreatercetanenumberandburns
morecleanly.
•
Biodieselfuelproduceslessparticulatematterandre-
ducessmokeemissions.
•
Biodieselfuelisfullybiodegradableandnon-toxic.
Specicationsfordieselfuelandbiodiesel
fuel
Thefollowingstandardsapplytodieselfuel
specications:
•
ASTMD975,StandardSpecicationforDieselFuel
Oils.(15ppmsulfurmaximum.)
•
EN590-Automotivefuels-Diesel-Requirementsand
testmethods.(10ppmsulfurmaximum.)
Thefollowingstandardsapplytobiodieselfuelblends:
•
UnitedStatesDieselFuelSpecicationASTMD6751
allowsupto5%biodieselsince2009.UnitedStates
fuelsuppliersareallowedtouseupto5%biodieselfuel
(B5)tosupplythenetwork.
•
UnitedStatesBiodieselFuelSpecicationASTM
D7467providesspecicationsfordieselandbiodiesel
blendsfromB5toB20.
•
EuropeanDieselFuelSpecicationEN590allowsupto
7%biodieselsince2009.Europeanfuelsuppliersare
allowedtouseupto7%biodieselfuel(B7)tosupply
thenetwork.
Thefollowingstandardsapplytopurebiodieselfuel
(B100):
•
ASTMD6751-Standardspecicationforbiodieselfuel
blendstock(B100)formiddledistillatefuels.
NOTE:ASTMupdatedASTMD6751toimprovethe
qualityofbiodieselinthemarketplace.
•
EN14214-Liquidpetroleumproducts-Fattyacid
methylesters(FAME)foruseindieselenginesand
heatingapplications-Requirementsandtestmethods
Beforeproducerscanconvertrawoilintousablebiodiesel
fuel,itmustundergotransestericationtoremoveglyc-
erides.Duringthetransestericationprocess,theoilre-
actswithanalcoholtoseparatetheglycerinfromthefator
vegetableoil.Thisprocessleavesbehindtwoproducts:
methylester(thechemicalnameforbiodiesel)andglyc-
erin(abyproductusuallysoldforuseinsoapsorother
products).
NOTICE:MILLERonlyapprovestransesteriedbiodiesel
fuelblendsthatcomplywithASTMD6751orEN14214.
NOTICE:Non-transesteriedfuelsmadefromrapeseed
oilorsimilarhighoilcontentcropsincludecold-pressed
biodiesel,cold-pressedoil,StraightVegetableOil(SVO),
ormoregenerallyunrenedvegetableoilsusedasmo-
torfuel.Becausethesetypesoffuelarenottransesteri-
ed,theydonotfulltherequirementsofASTMD6751or
EN14214.Thereisnorecognizedqualitystandardavail-
ableforthesetypesoffuel;therefore,MILLERDOES
NOTAPPROVEtheuseofcold-pressedbiodiesel,cold-
pressedoil,StraightVegetableOil(SVO),ormoregener-
allyunrenedvegetableoilsasmotorfuelatanyblendin
anyMILLERproduct.
NOTICE:MILLERwilldiscontinueWarrantycoverageof
anyengineequipmentandfuelinjectionequipmentyou
ttoaMILLERmachinethatisfoundtohaverunwith
blendofNON-APPROVEDfuel(fuelthatdoesnotfulll
therequirementsofASTMD6751orEN14214).
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