Navistar MaxxForce 7 - Charge Air Cooler (CAC); External Leakage

SECTION5–MAINTENANCESCHEDULEANDSERVICEPROCEDURES
ServiceProcedures(cont.)
CHARGEAIRCOOLER(CAC)
ServiceInterval:BeforeEngineOperation
WARNING:Topreventpersonalinjuryordeath,shut
downengine,setparkingbrake,andblockwheelsbefore
inspectingtheChargeAirCooler.
1.InspectChargeAirCooler(CAC)corefordebrisandclogged
externalns.
2.Beforestartingengine,removedebrisblockingthecore.
EXTERNALLEAKAGE
ServiceInterval:BeforeEngineOperation
WARNING:Topreventpersonalinjuryordeath,shut
downengine,setparkingbrake,andblockwheelsbefore
inspectingforexternalleakage.
1.Checkforthefollowingconditions:
•Crackedhoses
•Looseclamps
•Coolantstains
•Oilstains
•Fuelstains
•Leakageatwaterpump(wetnessfromtheweepholeis
normal)
2.Correctproblems.
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