Mack V-MAC IV - Exhaust Aftertreatment System

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26V-MACCo-PilotOperator'sManual

EXHAUSTAFTERTREATMENTSYSTEM

AftertreatmentDPFRegeneration

ADPFintheexhaustisusedtomeetenvironmentalprotectionagency(EPA)

requirementstohelpreducesootandparticulateemissionsintotheatmosphere.The

particulatesaretypicallyremovedbycollectinginaDPF,withcontinuousorperiodic

regenerationofthelter.Theelectricalandexhaustaftertreatmentsystemsetup

ofthevehiclewilldeterminewhenregenerationisrequired.Whenregenerationis

needed,theiconsontheDPFSmartswitchwilllightupmomentarilytonotifythe

driverandthenshutoffduringregeneration.Thehighexhaustsystemtemperature

(HEST)indicatorwilllightupontheinstrumentclustertowarnofhighexhaust

temperatures(whenvehiclespeedislessthan8km/h[5mi/h]orwhenparked).

Dependingonthevehicle'saftertreatmentsetup,regenerationcanbeperformedwhile

movingorwhenthevehicleisparked.Belowisgeneralinformationabouttheexhaust

aftertreatmentsystems.

Fornon-catalyzedexhaustaftertreatmentsystems

•V ehiclespeedmustbeatleast8km/h(5mi/h)inorderforthepassiveregeneration

tostart.

•IconsontheDPFSmartswitchwillmomentarilylightupandthenshutoffduring

theregeneration.

•HESTindicatoroninstrumentclusterwilllightuptowarnofhighexhaust

temperatureswhenvehiclespeedis8km/h(5mi/h)orless.HESTindicatorwill

shutoffwhenvehiclespeedis16km/h(10mi/h)orhigher.

•Enginespeed(RPM)willremainatidleduringregeneration(forparked

regeneration).

Forcatalyzedexhaustaftertreatmentsystems

•V ehiclespeedmustbeatleast40km/h(25mi/h)inorderforthepassive

regenerationtostart.

•Enginecoolanttemperature(ECT)is35°C(95°F)orhigher.