Peterbilt 348 2017 - Page 292

COOLINGSYSTEM
ToppingOff
WARNING!
Removingthellcaponahoten-
ginecancausescaldingcoolant
tosprayoutandburnyoubadly.
Iftheenginehasbeeninopera-
tionwithintheprevious30minutes,
beverycarefulinremovingthell
cap.Protectface,hands,andarms
againstescapinguidandsteamby
coveringthecapwithalarge,thick
rag.Donottrytoremoveituntilthe
surgetankcoolsdownorifyousee
anysteamorcoolantescaping.In
anysituation,removethecapvery
slowlyandcarefully.Bereadyto
backoffifanysteamorcoolantbe-
ginstoescape.
NOTE
Iffrequenttoppingoffisnecessary
andtherearenovisiblesignsof
coolantleakswhentheengineis
cold,checkforleakswiththeengine
operatingatnormaltemperature.
Topoffthecoolingsystemwhen
coolantdoesnotrisetothelevel
indicatedas‘MIN’onthesurgetank.
Thesurgetankistranslucentwhich
allowsthecoolantleveltobeseen.
SurgeT ank
NOTE
Donotusethepressurecaptollthe
surgetankwithuid.
ProperCoolantLevel
NOTE
Donotoverllacoolingsystem.Ex-
cesscoolantmayresultinoverow,
lossofantifreeze,andreducedcor-
rosionprotection.
•Theminimumuidlevelis
determinedbythelineonthe
surgetankindicatedbytheletters
"MIN".Thisindicatorislocated
belowthellcap.
•Thecoolingsystemwillneeduid
ifthesurgetankleveldoesnotrise
tothe"MIN"lineregardlessifthe
systemishotorcold.
5-82Y53-6060-1C1(03/17)
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