6-MAINTENANCE
Every4500hours
SelectiveCatalyticReduction(SCR)system
1.AskyourCASECONSTRUCTIONDealertocheckthe
SCRsystemandthedosingcontrolunit.
ExhaustGasRecirculation(EGR)system
1.AskyourCASECONSTRUCTIONDealertocheckthe
enginerelatedequipment(EGRvalve,EGRcooler,
turbocharger).
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