Navistar International LT Series - Page 285

MaintenanceIntervalsandSpecications
LubricationandMaintenanceInterval:Truck–LT/RHSeries(cont.)
SystemItemLong-HaulShort-HaulSevereNote/SpecialInterval
AirInductionSystem–Inspectfor
Looseness/Leaks
Every50,000miles
(80,467km)
Every35,000miles
(56,327km)
Every20,000miles
(32,187km)
EngineAirFilter–InspectRestriction
GaugeReading;ReplaceasNeeded
Every100,000miles
(160,934km)or12
months
Every70,000miles
(112,654km)
Every40,000miles
(64,373km)
EngineBeltsandBeltTensioner–
Inspect
EngineOilandOilFilter(s)
EngineValveLashAdjustment
Engine
On-EngineFuelFilter–Replace
DieselExhaustFluid(DEF)Supply
ModuleFilter–Replace
ExhaustSystem
DPFAshCleaning
RefertoEngineOperationandMaintenanceManual
FifthWheel
FifthWheel–Inspectsensorsand
Lubricate
Every50,000miles
(80,467km)
Every25,000miles
(40,233km)
Every20,000miles
(32,187km)
Jost(ifequipped)every
30,000miles(48,280km)
Fuel/WaterSeparator–Replace
Filter–DrainWater/Dirt
Every50,000miles
(80,467km)
Every35,000miles
(56,327km)
Every20,000miles
(32,187km)
FuelSystem
FuelT ankMountingStraps–Inspect
Every50,000miles
(80,467km)
Every35,000miles
(56,327km)
Every20,000miles
(32,187km)
275