Peterbilt 337 2017 - Fuse or Relay Blows

WHATTODOIF...
off.Thisallowstheenginetocool
graduallyanduniformly.
7.Ifoverheatingcamefrom
severeoperatingconditions,the
temperatureshouldhavecooled
bythistime.Ifithasnot,stop
theengineandletitcoolbefore
checkingtoseeifthecoolantis
low.
Forfurtherinformationonengine
temperatureandoperatingengines
properly,seetheEngineOperation
andMaintenanceManualandStarting
&OperatingtheVehicleonpage4-5.
Checkthecoolantlevelaftereach
tripwhentheenginehascooled.
Thecoolantlevelshouldbevisible
withinthesurgetank—addcoolantif
necessary.SeeT oppingOffinEngine
CoolingSystemonpage5-80,for
instructionsoncheckingandllingthe
coolantexpansiontank.
WARNING!
Toreducethechanceofdeath,per-
sonalinjuryand/orvehicledamage
fromoverheatedengines,whichcan
resultinare,neverleavetheen-
gineidlingwithoutanalertdriver
present.Iftheengineshouldover-
heat,asindicatedbytheengine
coolanttemperaturelight,immedi-
ateactionisrequiredtocorrectthe
condition.Continuedunattended
operationoftheengine,evenfor
ashorttime,mayresultinserious
enginedamageorare.
WARNING!
Donotremovetheradiatorllcap
whiletheengineishot.Scalding
steamanduidunderpressuremay
escape.Youcouldbebadlyburned.
Failuretocomplymayresultindeath
orpersonalinjury.
FuseorRelayBlows
Fusesarelocatedbehindthedrivers
sidekickpanel,belowtheignition
switch,andaccessiblebyadoorpanel.
SeeFusePanelonpage5-88.
WARNING!
Donotreplaceafusewithafuseofa
higherrating.Doingsomaydamage
theelectricalsystemandcausea
re.Failuretocomplymayresultin
death,personalinjury,equipmentor
propertydamage.
CAUTION
Beforereplacingafuse,turnOFFall
lightsandaccessoriesandremove
theignitionkeytoavoiddamaging
theelectricalsystem.
2-6Y53-6060-1C1(03/17)
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