Peterbilt 337 2017 - STEERING SYSTEM; Power Steering

STEERINGSYSTEM
STEERINGSYSTEM
PowerSteering
Oil(underlowpressure)providesthe
powertooperatethesteeringgear.It
alsoservestolubricatemovingparts
andremoveheat.Alossofsteering
efciencywilloccuriftoomuchheat
buildsupinthesystem.
WARNING!
Donotoperatethevehicleifthe
steeringsystemisnotworkingprop-
erly.Youcouldlosecontrolofyour
vehicleifthesteeringsystemisnot
ingoodworkingcondition,which
couldresultinaseriousaccident.
Fordrivingsafety,visuallycheck
thesteeringgearandcomponents.
Frequentchecksareimportantfor
drivingsafety,especiallyaftertrav-
elingoverroughroads.Failureto
complymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
Ifthesteeringfeelsunbalancedfrom
side-to-sidewhileturning,checkfor
thefollowingpossiblecauses:
•unequaltirepressures
•vehicleoverloadedorunevenly
distributedload
•wheelsoutofalignment
•wheelbearingsimproperly
adjusted
Ifyoucannotcorrecttheproblem,
checkwithanauthorizeddealer.
Yourvehicleisequippedwithintegral
powersteering.Thesystemincludes
anengine-drivenuidpump,auid
reservoir,thesteeringgear,and
connectinghoses.Becauseofthe
hydraulicpowerassist,littleeffortis
requiredtoturnthesteeringwheel.
Whennoinputisappliedthroughthe
steeringwheel,thesteeringgearwill
returntotheneutralposition.If,for
anyreason,thepowerassistsystem
goesout,steeringthevehicleisstill
possible,yetitwillrequiremuch
greatereffort.
Visuallycheckthefollowingparts:
•Crosstube:Isitstraight?
5-138Y53-6060-1C1(03/17)
5