Peterbilt 367 2017 - Page 186

OPERATINGTHEBRAKESYSTEM
•Therearemechanicalproblems
withsuspensionlevelingofthe
tractorortrailerresultinginuneven
loads,
•Thevehicleismaneuveringona
highbankedroadcreatingeither
additionalsideforcesduetothe
weight(mass)ofthevehicleora
deviationbetweenexpectedand
actualyawrates,
•Gustywindsarestrongenough
tocausesignicantsideforces
onthevehicleandanytowed
vehicles.
ToMaximizeTheEffectivenessOf
ESC
•Loadsmustbeproperlysecured
andevenlydistributedatalltimes.
•Driversneedtoexerciseextreme
cautionatalltimes,andavoid
sharpturns,suddensteering
inputsorabruptlanechangesat
highspeeds,particularlyif:
a.thevehiclehaulsloadsthat
couldshift,
b.thevehicleorloadhasahigh
oroff-setcenterofgravity
(CG)whenloaded,or
c.thevehicletowsdoublesor
triples.
TruckChassisModications
TheESCsystemwasspecically
calibratedandvalidatedonlyfor
yourvehicle’soriginalfactory-built
conguration.Ifyourvehicle’schassis
componentsarealtered(forexample,
awheelbaseextensionorreduction,
tagaxleadditionorremoval,tractorto
truckconversionorsteeringsystem
componentchange)theESCsystem
mustbedisabledimmediatelybya
qualiedmechanic.
WARNING!
FailuretodisableESC“Electronic
StabilityControl”whenmodifyinga
vehiclecouldresultinalossofve-
hiclecontrolpossiblyresultinginan
accidentinvolvingdeathorpersonal
injury.
4-28Y53-6076-1B1(03/17)
4
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