Navistar MaxxForce 7

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
SERVICECOOLINGSYSTEM(cont.)
Figure40LeftSideCoolantDrainPlug
8.Movethedrainpanunderleftsidecoolantdrainplug.
9.Removeleftsidecoolantdrainplug.
10.Aftercoolanthasdrained,putanewO-ringondrainplug
andinstallplugintocrankcase.Tightenplugto15lb·ft(20
N·m).
11.Recycleordisposeofcoolant,accordingtoapplicable
regulations.
NOTE:ELC50/50Premixisthestandardfactoryllforthe
coolingsystem.ELC50/50Premixisusedtoreplenishcoolant
lossandensurethatglycol/waterconcentrationsstayin
balance.Ifacustomerwishestouseaconventional(non-OAT
ELC)coolant,itshouldminimallymeetASTMD6210,Standard
SpecicationforfullyFormulatedGlycolBaseEngineCoolant
forHeavyDutyEngines.
12.SlowlyllcoolingsystemwithnewELC50/50Premixor
ConcentrateandwatermixtureuntilcoolantisattheFULL
levelinthecoolanttank.
13.Installandtightenthecoolanttankcapuntiltheplasticcap
clicksorthemetalcaprunsupagainstthedetent.
14.DisconnecttheExhaustGasRecirculation(EGR)valve
electricalconnector.
15.Starttheengine.
16.Allowtheenginetooperateatafastidleuntiltheengine
reachesnormaloperatingtemperature.
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