Navistar MaxxForce 7 - Page 102

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
SERVICECOOLINGSYSTEM(cont.)
17.Astheenginewarmsup,makesurecoolantisowing
throughcoolantline–coolantwillfeelwarmtothetouch.
18.Afterenginereachesnormaloperatingtemperatureandthe
thermostathasopened,shutengineoff.
NOTE:UseofaCoolantExtraction/FillServiceToolwillprovide
fasterandmorecompletelling.Gravityllingwilllikelycause
aneedfortoppingoffthecoolantlevelagainaftertherstheat
andcool-downcycle.
19.Ifnecessary,aftertheenginehascooledfully,addcoolant
tothecoolanttanktobringtheleveluptotheMAXmark.
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