Peterbilt 348 2017 - Page 191

AXLE
GAWRandtheloadthatisbeing
carried.
Thevehiclewillhaveswitchesonthe
dashtocontrolthepositionofthe
auxiliaryaxles.Incertainsituations,
however,thesystemwilloverridethe
controlstoprotecttheaxlesystem.
Anyliftableandsteerableauxiliary
axleswillriseoffofthegroundwhen
theparkingbrakesareengagedor
whenthevehicleisputinreverse.
Iftheliftableauxiliaryaxleisnota
steerableaxle,thenitwillremaininthe
downpositionwhenactivatedbythe
dashmountedswitch.
Operatingtheauxiliaryliftableaxles
mustbeperformedinamannerthat
doesnotexceedtheaxlecreeprating.
Axlecreepratingsareweightand
speedlimitsthatareallowedwhile
thevehicleisfullyloaded(inexcess
ofthevehicle’sstandardGAWR)and
theaxleisinitsupposition.Axle
creepratingsareassignedbythe
axlemanufacturerandarebasedon
axlemodelandintendedserviceof
thevehicle.Contactanauthorized
dealershipifyouareunabletoidentify
theaxlecreepratingofthisvehicle.
•Liftable/steerable(axlelift
calibrationrequired)
•Liftable/non-steerable(axlelift
calibrationrequired)
•Non-liftable(somesuspensions
requiredumpvalvecalibration)
WARNING!
Donotoperateorparktheve-
hiclewithauxiliaryaxlesinthe
down/loadedpositionwhenvehicle
isunladen,orisbeingunloaded.
Raiseordumpairintodriver-con-
trolledauxiliaryaxle(s)priortoun-
loadingvehicle.Failuretodoso
canresultinlossofvehiclecontrol
orrollawaythatmayresultindeath,
personalinjury,equipmentorprop-
ertydamage.
(03/17)Y53-6060-1C14-51
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