Peterbilt 348 2017 - Air Intake System

ENGINE
FanDriveandBlade
WARNING!
Donotworkonthefanwiththeen-
ginerunning.Theenginefancan
engageatanytimewithoutwarning.
Beforeturningontheignitionbesure
thatnooneisnearthefan.Failure
tocomplymayresultindeathorper-
sonalinjury.
FanBladeClearance:Aroundthefan
shroud,therecommendeddistance
is1in.(25mm)fromfrontedgeof
anyfanblade-to-radiatorsidemember.
Minimumclearanceis3/4in.(19mm).
•Rearedgeofanyblademustbe
nocloserthan3/8in.(9mm)to
thenearestenginecomponent.If
thiscannotbeobtained,thefan
spacerorfanisnotcorrect.
•Theleadingedgeofanyfanblade
mustbe1in.(25mm)fromthe
insideedgeoftheshroud.
AirIntakeSystem
Engineheat,vibration,andage
combinetoloosenairintake
connectionsandcausecracksin
thetubingandelbows.Leaksinthe
intakesystemallowabrasivedustto
entertheengineandquicklycause
expensivedamage.Duringyourdaily
walk-aroundinspection,carefully
checkalltubing,elbows,clamps,
supportsandfastenersforcondition
andtightness.
•ChecktheCharge-Air-Coolerfor
airleaksannually.Theairleaks
canbecausedbycrackedtubes
orheader.Forserviceseeyour
authorizeddealer.
CAUTION
Donotuseairintakepipesandcon-
nectionsasasteportopullyour-
selfup.Thiscouldloosenthecon-
nectionsandopenthesystemtoun-
lteredairwhichcoulddamagethe
engine.
5-104Y53-6060-1C1(03/17)
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