Navistar International LT Series - Engine

MaintenanceInstructions
AirBrakes
InspectionandAdjustment
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,alwaysinstallwheelchocks
whenmanuallyreleasingthespringbrakes,or
thevehiclecouldroll.
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,undernocircumstances
shouldthespringbrakesectionofthespringand
brakechamberbedisassembled.Disassembly
willreleaseapowerfulspring.
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,ifamanualadjustment
mustbemade(althoughthisshouldnotbea
commonpractice),aserviceappointmentandfull
foundationbrake,ASA,andotherbrakesystem
componentinspectionmustbeconductedas
soonaspossibletoensuretheintegrityofthe
overallbrakesystempriortoreturningthevehicle
toservice.BrakeAutomaticSlackAdjusters
(ASAs)shouldnotneedtobemanuallyadjusted
inservice.ASAsshouldnotroutinelyhave
tobeadjustedtocorrectexcessivepushrod
stroke.Excessivestrokeindicatesthataproblem
existswiththefoundationbrake,ASA,brake
actuator,otherbrakesystemcomponents,or
theirinstallationoradjustment.
Aregularscheduleforperiodiccleaning,lubrication,adjustment
andinspectionshouldbeestablished,basedonthetype
ofvehicleoperation.Itisdifculttopredetermineanexact
maintenanceinterval(timeormileage),sincevehicleswillbe
usedinawidevarietyofapplicationsandconditions.Ifyou
areuncertainoftheproperscheduleandproceduresforyour
vehicle,contactyourInternationaldealer.
230