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Navistar MaxxForce 7 User Manual

Navistar MaxxForce 7
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SECTION5MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
AIRCLEANERRESTRICTION
ServiceInterval:BeforeEngineOperation
Figure28AirCleanerRestrictionIndicator
Observetherestrictionreadingontheairlterrestrictiongauge.
Iftheyellowrestrictionindicatorisatorneartheredzone,
therestrictionishighandanewairltershouldbeinstalledto
preventreducedfueleconomy,lowenginepower,orengine
damage.
Pushresetbuttonandobservethemovementoftheair
restrictionindicatortomakesureitisnotlockedup.Iftheair
lterwasnotchanged,theyellowindicatorwillreturntothe
samereadingwhenthevehicleisdrivenundernormaldriving
conditions.
1.Removepluggedairlterelementanddiscard.
CAUTION:Topreventenginedamage,donotusecompressed
airtocleanlterhousing.
2.Useacleanwater-dampenedclothtocleaninsideofairlter
housing.
3.Inspectairlterhousingfordamageordistortion.Installnew
housing,ifnecessary.
4.Verifynothinghasfallenintothelterhousingpriorto
installinganewlterelement.
5.Installanewairlterelement.
6.Pushresetbuttononairrestrictionindicator.Theyellow
indicatorwillreturntozero.
Page70

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Navistar MaxxForce 7 Specifications

General IconGeneral
BrandNavistar
ModelMaxxForce 7
CategoryEngine
LanguageEnglish

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