Navistar MaxxForce 7

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
FUELWATERSEPARATOR(cont.)
NOTE:Drainuntilnowaterorothercontaminatesareobserved
exitingfromthedrainvalve.Uponopeningthedrainvalve,a
hissingsoundwillbeheardasairllsthefuellinebetweenthe
engineandthefueltank.Afterthesoundstops,liquidwillexit
thedrainvalve.
3.Turnthewaterdrainvalvetoopenandallowthewater/fuel
mixturetodrainout.
4.Closewaterdrainvalveandremovedrainhose.
5.Recycleordisposeoffuelaccordingtoapplicable
regulations.
6.Primetheengine.ForfurtherinformationseePrimingthe
Engine(page50).
ENGINEOILANDFILTER
Figure30Figure30OilChangeIntervalGraph
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