Peterbilt 348 2017 - Air Gauges and Air Leaks

AIRSYSTEM
Yourauthorizeddealercarries
rebuildkitsformostunits.
AirGaugesandAirLeaks
Yourvehiclecomeswithairpressure
gaugesfortwoseparatesystems,
PrimaryandSecondary:thePrimary
gaugeindicatespressureintherear
brakingsystem;theSecondarygauge
indicatespressureinthefrontbraking
system.Eachgaugeindicatesthe
amountofairpressureinpoundsper
squareinch(psi).
WARNING!
Donotoperatethevehicleifleak-
ageintheairsystemisdetected.
Conductthefollowingprocedure
andcontactanauthorizeddealer(or
anyotherproperlyequippedservice
center)ifaleakisdetected.Failure
tocheckthebrakesorfollowthese
procedurescouldcauseasystem
failure,increasingtheriskofan
accidentandmayresultindeath,
personalinjury,equipmentorprop-
ertydamage.
Ifthelightandalarmdonotturnoffat
start-up,donottrytodrivethevehicle
untiltheproblemisfoundandxed.If
thepressureineitherorbothsystems
istoolowfornormalbrakeoperation,
i.e.,thepointerofonegaugefalls
below65psi(448kPa),awarninglight
onthegaugewillglowandtheaudible
alarmwillsound.
NOTE
Parkbrakeslockupat60psi(414
kPa),theaudiblealarmwillsoundat
65psi(448kPa).
PrimaryAirPressureGauge
5-60Y53-6060-1C1(03/17)
5