SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
Figure42Coolantdrainplugforoilsystemmodule
7.Removecoolantdrainplugfrombottomofoilsystem
module.
8.Aftercoolanthasdrained,installthecoolantdrainplugand
tightento28N·m(18lb·ft).
NOTE:ELC50/50Premixisthestandardfactoryllforthe
coolingsystem.ELC50/50Premixisusedtoreplenish
coolantlossandensurethatglycol/waterconcentrations
stayinbalance.Ifacustomerwishestouseaconventional
(non-OATELC)coolant,itshouldminimallymeetASTM
D6210,StandardSpecicationforfullyFormulatedGlycol
BaseEngineCoolantforHeavyDutyEngines.
9.SlowlyllcoolingsystemwithnewELC50/50Premixor
Concentrateandwatermixtureuntilcoolantisatthemid
pointbetweentheADDandFULLlevelsofthecoolanttank.
10.Installandtightenthecoolanttankcapuntiltheplasticcap
clicksorthemetalcaprunsupagainstthedetent.
CAUTION
Topreventenginedamage,disconnectelectrical
connectorattheEGRvalvebeforerunningengine
topurgeairfromcoolingsystem.Failuretodoso
couldcausefailureofEGRcooler.
11.DisconnectelectricalconnectorattheEGRvalve.
12.Starttheengine.
13.Allowtheenginetooperateatafastidleuntiltheengine
reachesnormaloperatingtemperature.
14.Astheenginewarmsup,makesurecoolantisowing
throughcoolantline–thecoolantlinewillfeelwarmtothe
touch.
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