Peterbilt 337 2017 - Page 278

BRAKESYSTEM
onpage5-69formoreinformationon
inspectingthebrakes.
Anyreplacementcomponents
inthebrakesystemmustmeet
thespecicationsoftheoriginal
components.Anychangesfromthe
originalspecicationscanaffectthe
performanceoftheentiresystem.
WARNING!
Donotuseanyreplacementpartin
thebrakesystemunlessitconforms
exactlytooriginalspecications.A
nonconformingpartinyourvehicle's
brakesystemcouldcauseamal-
functionresultinginaninjuryacci-
dent.Consultyoulocaldealerfor
suitablereplacementparts.
WARNING!
Donotworkonthebrakesystem
withouttheparkingbrakeset,the
keysremovedfromthevehicle,and
wheelschockedsecurely.Iftheve-
hicleisnotproperlysecuredtopre-
ventinadvertentvehiclemovement,
itcouldrollandcauseseriousper-
sonalinjuryordamagetothevehi-
cle.
•Usewoodblocks(4in.X4in.X
6in.orlarger)againstthefront
andrearsurfacesofthetires.Be
surethevehiclecannotmove.
BrakeFluidCheckandRell
WARNING!
Wearprotectiveclothingwhenhan-
dlinghydraulicuid.Itismildlytoxic
andcancauseskinandeyeirrita-
tion.
WARNING!
Useonlythetypeofhydraulicuid
specied.Donotuseormixdifferent
typesofhydraulicuid.Thewrong
hydraulicuidwilldamagetherub-
berpartsofthebrakesystemwhich
mayleadtolossofbrakingandpos-
siblycauseseriouspersonalinjury.
CAUTION
Hydraulicbrakesystemsusetwo
distinctandincompatibleuids.
Powersteeringuidisusedinthe
hydraulicbrakeboostersystem.
Brakeuidisusedinthemaster
cylinderandbrakepipes.Donot
mixtheseuidswhenreplenishing
thesystemorsealdamagecanre-
sult.
CAUTION
Hydraulicbrakeuidmaydamage
paintedsurfacesofthevehicle.
5-68Y53-6060-1C1(03/17)
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