Case 621G - Page 215

7-MAINTENANCE
•
Wearandcorrosionofinternalcomponentsduetowa-
tercontent,whichaffectslubricity.
•
Deteriorationofsomerubbersealingcompoundsinthe
fuelsystem.
•
Biodieseloxidation,whichcanleadtotheformationof
depositsthatcanharmthefuelinjectionsystem.
NOTICE:anyproblemintheenginefuelinjectionequip-
mentassociatedwithnon-compliancetothefollowing
conditionsforbiodieselfuelhandlingandmaintenance
willnotbecoveredforWarrantybyCASECONSTRUC-
TION.
Purchasebiodieselfuelfromatrustedsupplierwho
understandstheproductandmaintainsacceptablefuel
quality.TheNationalBiodieselBoardawardsBQ-9000®
accreditationtobiodieselmarketersandproducersthat
meetstrictqualityandconsistencystandards.Biodiesel
usersinNorthAmericaarestronglyencouragedtopur-
chasebiodieselblendsfromtheBQ-9000®Certied
MarketersandsourcedfromtheBQ-9000®Accredited
ProducersfoundontheBQ-9000®website.
TheuseofbiodieselblendsuptoB5willnotvoid
theCASECONSTRUCTIONwarrantyaslongasthe
followingconditionsforbiodieselfuelhandlingandmain-
tenancearestringentlyfollowed:
Biodieselfuelmustbepre-blendedbythesupplier.Mixing
biodieselfuelson-sitecanresultinanincorrectmixture
thatcoulddamagetheengineand/orfuelsystem.
NOTICE:CASECONSTRUCTIONmayvoidyourwar-
rantyiftheproblemisassociatedwithpoorfuelquality
duetoimproperblending.Itistheresponsibilityofthe
fuelsupplierand/oryourselftoensuretherighttypeof
fuelandblendisdeliveredandused.
Storage
Themachineshouldnotbestoredformorethan6months
withbiodieselinthefuelsystem.Forlongerstoragetime,
itisstronglysuggestedthatonlyregular#2dieselfuelis
used.
NOTE:ifstorageforlongerthan6monthsisnecessary,
theenginemustberunonregular#2dieselforaminimum
of20hourstoushthebiodieselfueloutofthefuelsystem
priortostorage.
Biodieselishighlyhygroscopicandtendstocollectwater
morethandieselfuel.Thisincreasestheriskofalgae
andbacteriagrowthwhichcancauseseveredamageto
thefuelinjectionsystem.Keepthemachinefueltanks
andon-sitestoragetanksasfullaspossibletolimitthe
amountofairandwatervaporsinsidethetank.Drain
waterfromthetanksatleastonceaweek.
NOTICE:useonlyCASECONSTRUCTIONapproved
biocideadditivesonTIER4Bengineswithanexhaust
aftertreatmentsystem.
LimitedB10biodieselapproval
CASECONSTRUCTIONapprovestheuseofuptoB10
onTIER4BenginesonlyinMinnesota(orotherStates&
Provinces)wherethestatelegislationmandatesitsus-
ageduringthemonthsofApriltoSeptemberonlyandthe
statelegislationmandatesstrictcomplianceoftheB10to
specicationASTMD7467.TheB10mustconsistofa
blendofS15#2DDieselFuelperASTMD975andB100
blendstockperASTMD6751only.
7-7