Navistar MaxxForce 9

SECTION4–ENGINEOPERATION
WARNING
Topreventpersonalinjuryordeath,donot
attachjumpercabletothenegative(-)dead
batteryterminal.Thiscancausesparksandan
explosion.
5.Connectoneendofthesecondjumpercabletothenegative
(-)terminaloftheboosterbatteryandtheotherendto
chassisframeofthevehiclewiththedeadbattery.
6.Startengineinvehiclethathasthechargedbattery.
7.Startengineinvehiclethathasthedeadbattery.
WARNING
Topreventpersonalinjuryordeath,always
disconnectjumpercablefromnegativecontacts
rst.
8.Disconnectjumpercablefromnegativeterminalandchassis
frame.
9.Disconnectjumpercablefrompositivebatteryterminalsor
oneterminalandjumpstartstud.
Operation
SUGGESTEDWARM-UPTIME
NOTE:Beforeapplyingaloadorincreasingspeedabove
1,000rpm,warmupengineforaminimumof5minutesat
orbelow1,000rpm.Thewarm-upperiodallowslubricating
oiltoestablishalmbetweenmovingparts.
Afterallowingtheenginetowarmupfor5minutes,begin
operatingthevehicleatreducedenginespeedsandload
untilitreachesoperatingtemperature.Onceoperating
temperatureisreached,beginnormaloperation.TheCold
AmbientProtection(CAP)systemaidsinenginewarmup
andmaintainsengineheatduringextendedidlingperiods.
SeeColdAmbientProtection(CAP)(page54).
IDLESPEED
WARNING
Topreventpersonalinjuryordeath,provide
ventilationwhenoperatinganengineinaclosed
area.Inhalationofexhaustgascanbefatal.
LowidlespeedforMaxxForce
®
DT,9,&10DieselEnginesis700
rpm(nonadjustable).Iftheenginecoolanttemperatureisbelow
70°C(158°F),theEngineControlModule(ECM)willadjustthe
lowidlespeedfrom700rpmtoamaximumof875rpm.High
idlespeedisanonadjustablefactorysetting.
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