6VOLVOEngines
NoiseControlSystem,OperatorInspectionandMaintenance
Requirements
ANoiseControlSystemMaintenanceLogislocatedinthismanual.Thislogshouldbe
usedtodocumentallNoiseControlSystemrelatedmaintenance,whetherthemaintenance
resultsfromaspecicnoisecontrolsysteminspection,oradeciencyidentiedduring
anothergeneralmaintenanceevent.
Ifadditionallogspaceisneeded,furtherentriesmaybeaddedonaseparatesheetof
paper.Storetheseadditionswiththemainlogtopreserveacomprehensiverecord.Itis
recommendedthatcopiesofallnoiseemissionsrelatedmaintenanceinvoicesberetained.
ThefollowingNoiseControlSysteminspectionandmaintenanceinstructionscontain
suggestedmaintenanceintervals.Theseintervalsmayneedadjustmentinordertobest
accommodatethespecicvehicleusage.ThefollowinginstructionsonlyconcernNoise
Emissionsrelateditemsanddonotaddressormodifyanygeneralvehiclemaintenance
requirements.
ThefollowingelementsmakeuptheNoiseControlSystem:
•NoiseShieldingandInsulationDevices
•CoolingSystem
•ExhaustSystem/DPFSystem
•AirIntake/AirInductionSystem
•EngineControl,EGRandFuelSystems
•SelectiveCatalyticReduction(SCR)