Navistar MaxxForce 9

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
COOLANTFREEZEPOINT
ServiceInterval:15,000miles(24,000km),6months,or550
hours
ELC50/50Premixprovidesfreezeprotectionto-36°C(-34°F)
andmaximumcorrosionprotection.Ifacustomerwishestouse
aconventional(non-OATELC)coolant,itshouldminimallymeet
ASTMD6210,StandardSpecicationforfully-Formulated
GlycolBaseEngineCoolantforHeavyDutyEngines.ELC
50/50Premixisusedtoreplenishcoolantlossandensurethat
glycol/waterconcentrationsstayinbalance.
ELC50/50Extenderisaddedatthedesignatedserviceinterval.
FreezePointProtectionLevelsConcentrate(ethylene
glycol)andWaterMixtures
ConcentrateandWater
Mixtures
FreezePointProtection
40%Concentrateand60%
water
-12°F(-24.4°C)
50%Concentrateand50%
water
-34°F(-36.7°C)
60%Concentrateand40%
water
-62°F(-52.0°C)
67%Concentrateand33%
water
-95°F(-70.6°C)
Forvehiclesoperatinginextremelycoldclimates,acoolant
mixtureof60%Concentrateand40%wateror67%Concentrate
and33%waterprovideadditionalfreezeprotectionasshownin
thetableabove.Mixtureshavingmorethan67%Concentrate
arenotrecommendedduetotheriskofadditivefallout.
Checkfreezepointwitharefractometer.
1.Putdropofcoolantonrefractometerwindow.
2.Lookthrougheyepieceandfocus.
3.Recordfreezepoint.
4.Adjustcoolantconcentrationasnecessarytoachieve
desiredfreezepointprotection.
FUELFILTER
ServiceInterval:30,000miles(43,300km),12months,1,100
hoursor4,200gallons(15,898liters)offuel
NOTE:Changefuellter,ifoptionalfuellterlampis
illuminated.
NOTE:Iffuelusedhasmorethanaverageimpurities,
shorterserviceintervalsmayberequired.
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