Mack V-MAC IV - High Exhaust System Temperature (HEST) Indicator

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20V-MACCo-PilotOperator'sManual

HighExhaustSystemTemperature(HEST)

Indicator

TheHighExhaustSystemTemperature(HEST)indicator,amberincolor,illuminates

toalertthedriverwhenengineexhaustgastemperatures(EGT)arehigh.TheHEST

indicatorwillalsoilluminateduringaaftertreatmentdieselparticulatelter(DPF)

parkedregenerationeventandwillturnoffaftertheregenerationiscompletedand

theexhaustEGThasreturnedtonormal.ForadditionalinformationabouttheHEST

indicator,pleasereferto

“AftertreatmentDPFSmartSwitch”,page24.

W3036496

Figure10—HighExhaustSystemTemperature(HEST)Indicator

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