Navistar MaxxForce 10

DIAGNOSTICMANUAL
1.NewAftertreatmentFuelInjector
(AFI)gasket
2.EarlyproductionAFIgasket
Figure24AFIGasket
Step
ActionDecision
13
CAUTION
Donotremovethenozzleinjector
fromthedoserhousing.Spraypattern
testisnolongeravisualcheckfor
AftertreatmentFuelInjector(AFI)
replacement.
PerformAftertreatmentFuelInjector(AFI)visual
inspection.RemoveAFI(seeEngineServiceManual)
andcheckforthefollowing:
VisualChecks:
•CorrectAFIgasketisinstalled(Figure24)
•AFIandboreunrestrictedandfreeofcarbonbuildup
•AFItipfreeofcracksandotherdamage
DidAFIpassallvisualchecks?
Yes:InstallAFI,andgotostep14.
No:Correctfailedvisualcheck(s).After
repairsarecomplete,installAFIandgo
tostep14.
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