Navistar MaxxForce 9 Diagnostic Manual

DIAGNOSTICMANUAL
1.NewAftertreatmentFuelInjector
(AFI)gasket
2.EarlyproductionAFIgasket
Figure2AFIGasket
Step
ActionDecision
13
CAUTION
Donotremovethenozzleinjectorfromthe
doserhousing.Spraypatterntestisnolongera
visualcheckforAftertreatmentFuelInjector(AFI)
replacement.
PerformAftertreatmentFuelInjector(AFI)visualinspection.Remove
AFI(seeEngineServiceManual)andcheckforthefollowing:
VisualChecks:
•CorrectAFIgasketisinstalled(Figure2)
•AFIandboreunrestrictedandfreeofcarbonbuildup
•AFItipfreeofcracksandotherdamage
DidAFIpassallvisualchecks?
Yes:InstallAFI,andgoto
step14.
No:Correctfailedvisual
check(s).Afterrepairsare
complete,installAFIandgo
tostep14.
31
https://www.truck-manuals.net/

Navistar MaxxForce 9 Specifications

General

Brand	Navistar
Model	MaxxForce 9
Category	Engine
Language	English