Case 1650M - Changing Coolant Types; Engine Cooling System - Basic Instructions

INTRODUCTION
Enginecoolingsystem-Basicinstructions
1650MWE
Dependingonthedateofmanufacture,yourcoolingsystemmaybeequippedwithconventionalethyleneglycol
coolantsuchasCNHXHDHEAVYDUTYCOOLANT/ANTI-FREEZEoranOrganicAcidT echnology(OAT)coolantsolu-
tionsuchasCASEAKCELAACTIFULL™OTEXTENDEDLIFECOOLANT.YoucaneasilyidentifyCASEAKCELA
ACTIFULL™OTEXTENDEDLIFECOOLANTbyitsyellowcolor.Youshouldnevermixthecoolanttypes.
ThecoolantsolutionusedmustmeetthefollowingCNH
Industrialmaterialspecicationsforeithercoolanttype:
•
MAT3624forOATcoolant
•
MAT3620forconventionalcoolant
Thedecalshownislocatednearthellpointofthecooling
systemwheneverthefactoryllisCASEAKCELAACT-
IFULL™OTEXTENDEDLIFECOOLANT.Thisdecalis
availableinthreedifferentsizes.Seethetablebelowfor
theassociatedpartnumbers.
CNHIndustrialpart
number
Size
4775733050mmx50mm
47757331
75mmx75mm
47757332100mmx100mm
477573301
NOTICE:NEVERmixOATcoolantwithconventionalcoolant.Undernocircumstancesshouldyoutopoffacooling
systemwithonlywater.Youcanusearefractometertochecktheconcentrationlevel.YoushouldnotuseSupplemen-
talCoolantAdditives(SCA)whenusingCASEAKCELAACTIFULL™OTEXTENDEDLIFECOOLANT.Changethe
coolantsolutionattherecommendedchangeinterval.
IfyouneedtochangeamachinefromconventionalcoolanttoOATcoolantorviceversa,youshouldfollowthe
“Changingcoolanttypes”procedurebelowtoattainthefullbenetofthecoolant.
Changingcoolanttypes
TochangecoolantfromOATcoolanttoconventionalcoolant(orviceversa):
1.Emptytheenginecoolingsystembydrainingthecoolantintoasuitablecontainer.
2.Fillthesystemwithcleanwater.
3.Starttheengineandruntheengineforatleast30min.
NOTE:Makesurethatyouactivatetheheatingsystem(ifequipped)tocirculateuidthroughtheheatercore.
4.RepeatSteps1to3foratotaloftwowashes.
5.Fillthesystemwithconventionalcoolant(orOATcoolant).
6.Operatetheengineuntilitiswarm.Inspectthemachineforleaks.
7.IfyouarechangingtoOATcoolant,thenattachthedecal(CNHIndustrialpartnumber47757330)toindicatethe
useofOATcoolantinthecoolingsystem.
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