7-MAINTENANCE
OrganicAcidTechnology(OAT)coolant
YourcoolingsystemisfactoryllwithNEWHOLLANDAMBRAACTIFULL™OTEXTENDEDLIFECOOLANT,an
OrganicAcidT echnology(OAT)coolantsolution.YoucaneasilyidentifyNEWHOLLANDAMBRAACTIFULL™OT
EXTENDEDLIFECOOLANTbyitsyellowcolor.Youshouldnevermixthecoolanttypes.
Thedecalshownislocatednearthellpointofthecool-
ingsystemwheneverthefactoryllisNEWHOLLAND
AMBRAACTIFULL™OTEXTENDEDLIFECOOLANT.
Thisdecalisavailableinthreedifferentsizes.Seetheta-
blebelowfortheassociatedpartnumbers.
CNHIndustrialpart
number
Size
4775733050mmx50mm
47757331
75mmx75mm
47757332100mmx100mm
ThecoolantsolutionusedmustmeetthefollowingCNH
Industrialmaterialspecicationsforeithercoolanttype:
•
MAT3624forOATcoolant
•
MAT3620forconventionalcoolant
477573301
NOTICE:NEVERmixOATcoolantwithconventionalcoolant.Undernocircumstancesshouldyoutopoffacooling
systemwithonlywater.Youcanusearefractometertochecktheconcentrationlevel.YoushouldnotuseSupplemen-
talCoolantAdditives(SCA)whenusingNEWHOLLANDAMBRAACTIFULL™OTEXTENDEDLIFECOOLANT.
Changethecoolantsolutionattherecommendedchangeinterval.
IfyouneedtochangeamachinefromOATcoolanttoconventionalcoolantorviceversa,youshouldfollowthe
“Changingcoolanttypes”procedurebelowtoattainthefullbenetofthecoolant.
Changingcoolanttypes
TochangecoolantfromOATcoolanttoconventionalcoolant(orviceversa):
1.Emptytheenginecoolingsystembydrainingthecoolantintoasuitablecontainer.
2.Fillthesystemwithcleanwater.
3.Starttheengineandruntheengineforatleast30min.
NOTE:Makesurethatyouactivatetheheatingsystem(ifequipped)tocirculateuidthroughtheheatercore.
4.RepeatSteps1to3foratotaloftwowashes.
5.Fillthesystemwithconventionalcoolant(orOATcoolant).
6.Operatetheengineuntilitiswarm.Inspectthemachineforleaks.
7.IfyouarechangingtoOATcoolant,thenattachthedecal(CNHIndustrialpartnumber47757330)toindicatethe
useofOATcoolantinthecoolingsystem.
Denitions
Conventionalcoolant:
Acoolantthatreliesoninorganicinhibitorssuchassilicates,nitrites,andphosphatesforcorrosionandcavitation
protection.
OrganicAcidT echnology(OAT)coolant:
Acoolantthatreliesoninhibitorssuchasorganicacidsaltsforcorrosionandcavitationprotection.
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