Peterbilt 348 2017 - Page 274

BRAKESYSTEM
WARNING!
Donotuseanyreplacementpartin
thebrakesystemunlessitconforms
exactlytooriginalspecications.A
nonconformingpartinyourvehi-
cle'sbrakesystemcouldcausea
malfunctionresultinginanaccident
causingdeathorpersonalinjury.
Sizesandtypesaresorelatedto
oneanotherthataseeminglyunim-
portantchangeinonemayresult
inachangeinhowwellthebrakes
workforyouontheroad.Ifparts
donotworktogetherproperly,you
couldlosecontrolofyourvehicle,
whichcouldcauseaseriousacci-
dent.
Allvehicleoperatorsshouldcheck
theirbrakesregularly.
WARNING!
Donotusebrakeliningswithathick-
nessbelowthespeciedminimum.
Suchliningswillhaveliningrivets
exposedthatcandamagethebrake
drumandreducebrakeefciency,
whichcouldcausedeath,personal
injuryorsystemfailure.
AirDiscBrakes
Havebrakepadsinspectedbya
qualiedmechanicforwearatregular
intervalsaccordingtothePreventive
MaintenanceScheduleonpage5-12.
Insevereserviceoroff-highway
applicationsinspecttheliningsmore
frequently.
Regularlyinspectforpad/rotorwear:
•Parkonlevelgroundandchock
thewheels.
•Temporarilyreleasetheparking
brakes.
•Comparetherelativeposition
oftwonotches;onelocatedon
thecaliperandtheotheronthe
carrier.Seetheillustrationbelow
todetermineifthebrakesrequire
adetailedinspectionbyaqualied
mechanic.
5-64Y53-6060-1C1(03/17)
5