Navistar MaxxForce 7

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
COOLANTFREEZEPOINT(cont.)
4.Adjustcoolantconcentrationasnecessarytoachieve
desiredfreezepointprotection.
PRIMARYFUELFILTER
ServiceInterval:30,000miles(48,280km),12months,1050
hours,or3,000gallons(11,360liters)offuel
NOTE:DrainfuelltersifoptionalWaterInFuel(WIF)lampis
illuminated.
NOTE:Iffuelusedhasmorethanaverageimpurities,shorter
serviceintervalsmayberequired.
GOVERNMENTREGULATION:Engineuids
(oil,fuel,andcoolant)maybeahazardtohuman
healthandtheenvironment.Handlealluidsand
othercontaminatedmaterials(e.g.lters,rags)in
accordancewithapplicableregulations.Recycle
ordisposeofengineuids,lters,andother
contaminatedmaterialsaccordingtoapplicable
regulations.
WARNING:Topreventpersonalinjuryordeath,shift
transmissiontoparkorneutral,setparkingbrake,andblock
wheelsbeforedoingdiagnosticorserviceprocedures.
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