Navistar MaxxForce 7

SECTION1–ENGINESYSTEMS
EngineOptionalFeatures(cont.)
EngineExhaustBrake
Anexhaustbrakeisavailabletoprovideadditionalbraketorque
toreducestressonthevehiclebrakes.Theexhaustbrakehas
threeoperationmodes:OFF ,LATCH,andCOAST.
IdleShutdownTimer(IST)
ISTallowstheECMtoshutdowntheengineduringextended
engineidletimes.
Figure3CertiedCleanIdlelabel
Vehiclesthatcomplywiththecleanidleregulationswillhave
aCertiedCleanIdlelabelappliedtothehoodordoorofthe
vehicle.
2010and2011modelyearvehicleswith(non-California)U.S.
FederalMaxxForce
®
7engineshaveidletimethatcanbe
programmedfrom2to120minutes.
2012andnewermodelyearvehicleswithU.S.Federal
MaxxForce
®
7engineshaveidletimethatcanbeprogrammed
from2to120minutes.
ForfurtherinformationseeEngineShutdown(page55).
In-CabPowerTake-off(PTO)Control
Thein-cabenginespeedcontrolfeature,commonlyreferredto
asPowerT ake-off(PTO),allowstheoperatortosetandmaintain
aconstantenginespeedwithoutusingtheacceleratorpedal.It
iscommonlyusedforpoweringauxiliarydevices.
CustomerprogrammableparameterswithintheEngineControl
Module(ECM)providein-cabenginespeedcontrolrelated
optionsthatcanbeadjustedtosuitthecustomer'sneeds.
Choosingwhethertheoperatorisallowedtoincreasetheengine
speedusingtheacceleratorpedalwithoutdisengagingthePTO
isanexample.
Page25