Navistar International LT Series User Manual

MaintenanceInstructions
ChargeAirCoolerandRadiatorCoreInspectionand
Cleaning
InspectionandCleaning
Withtheengineoff,visuallyinspectthechargeaircoolercore
andradiatorcoreassemblyfordebrisandcloggingofexternal
ns.Priortoengineoperation,removeanydebrisblockingthe
core.
Thecoresmaybecleanedbyexternallybackushingthem
withcompressedairand/orwater.Usehigh-pressureairor
waterThextonradiatorcleaningwandwith90-degreetip,P/N
4106-NAV,availablefromyourInternationaldealer,forbest
results.
NOTE:Avisualinspectionoftheareabetweenthe
condenserandradiatorshouldalsobedoneatthistime.
Removedebrisasnecessary.
CoolingSystem
CoolantLevelCheck
ForvehicleswithInternational
®
A26engines,thecoolingsystem
islledatthefactorywithFleetrite
®
ExtendedLifeNOAT(RED)
Coolant.
ForvehicleswithCummins
®
X15engines,thecoolingsystem
islledatthefactorywithFleetrite
®
ExtendedLifeNOAT(RED)
Coolant
NavistarrecommendsusingonlyapprovedcoolantwiththeLT
®
andRH
™
Seriescoolingpackages,anditwillnotwarrantcooling
systemsthathavenotutilizedtherecommendedcoolant.
Thelabelonthedeaerationtankprovidesadditionalcoolant/
antifreezeinformation.
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,usethefollowingprocedure
toremovethepressurecapfromtheradiator
orexpansiontankandpreventcontactwith
hotcoolantorsteam.Allowtheenginetocool
rst.Wrapathick,heavyclotharoundthecap.
Unscrewthecapslowlytoallowpressureto
releasefromunderthecap.Afterthepressure
hasbeenreleased,thepressurecapmaybe
removed.
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,donotexceedthepressure
ratingonthedeaerationtankcap.Ensurethat
thepressureratingofthedeaerationtankcap
matchesthatlistedonthesideofthetank,orthe
tankmayburst.
247

Navistar International LT Series Specifications

General

Brand	Navistar
Model	International LT Series
Category	Trucks
Language	English