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Navistar MaxxForce 13 - Page 92

Navistar MaxxForce 13
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DIAGNOSTICMANUAL
1.NewAftertreatmentFuelInjector
(AFI)gasket
2.EarlyproductionAFIgasket
Figure22AFIGasket
Step
ActionDecision
9
CAUTION
Donotremovethenozzleinjectorfromthe
doserhousing.Spraypatterntestisno
longeravisualcheckforAftertreatment
FuelInjector(AFI)replacement.
PerformAftertreatmentFuelInjector(AFI)visualinspection.
RemoveAFI(seeEngineServiceManual)andcheckforthe
following:
VisualChecks:
•CorrectAFIgasketisinstalled(Figure22)
•AFIandboreunrestrictedandfreeofcarbonbuildup
•AFItipfreeofcracksandotherdamage
DidAFIpassallvisualchecks?
Yes:InstallAFI,andgotostep10
No:Correctfailedvisualcheck(s).
Afterrepairsarecomplete,installAFI
andgotostep10.
88
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