ENGINEOPERATIONOperation&MaintenanceManual
Failuretoobservetheregulationsoftherelevantauthoritiesviolates
environmentalpollutionregulationsandmaybesubjecttolegal
penalties.
UseofGenuineParts
Anengineconsistsofmanypartswhicharemechanicallyharmonized.T opreventengine
faultsinadvanceanduseengineswithbestperformanceforalongperiod,maintenanceand
replacementofexpendablepartsshouldbeconductedregularly.Useofgenuinepartsis
recommended.Usingunauthorizedorremanufacturedpartsmaycausecriticaldamageand
faultstoengineforwhichDoosanshallnotbeheldliable.
EngineManagement
Preventionofdamageandabrasion
Usinganengineforanypurposesotherthanthedesignedpurposemaycausecriticalfaults
totheengineforwhichDoosanshallnotbeheldliable.Fordetailsconcerningtheusageand
purposeoftheengine,pleasedirectquestionstoourSalesT eam.DoNOTadjust,convert,
orchangetheECUwithoutourauthorization.
Ifaproblemisfoundinanengine,researchandsolvethecausetopreventthecriticalfaults
inadvance.Useofgenuinepartsisrecommended.Usingunauthorizedorremanufactured
partsmaycausecriticaldamageandfaultstoengineforwhichDoosanshallnotbeheldliable.
Considerthefollowingwhilemanagingengines.
1.Useclean,specied,andqualiedfuelonly.Useonlyfuelrecommendedinthis
OperationandMaintenanceManual.
Usinginappropriateorunspeciedfuelmaycausecriticaldamageand
faultsinengineperformance.
2.Donotoperateanenginewithoutlubricationoilorcoolant.Useonlytheproducts
(engineoil,coolingwater,anticorrosiveagent,andetc)recommendedbyDoosan.
3.Alwayskeepsurroundingsoftheengineclean.
4.UsefuelrecommendedinthisOperationandMaintenanceManual.
5.Conductinspectionsandexchangesregularlyaccordingtotheregularinspection
table.
6.Iftheengineisoverheated,donotshutdownimmediately,butoperateatidlestatus
forveminutesormoretolowertheenginetemperaturetotheproperlevel.
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