Peterbilt 348 2017 - Page 333

NOISEANDEMISSIONCONTROL
AirIntakeSystem
•Removingorrenderinginoperative
theaircleaner/silencersorintake
piping.
EngineCoolingSystem
•Removingorrenderinginoperative
thefanclutch.
•Removingthefanshroud.
Engine
•Removingorrenderingengine
speedgovernorinoperativesoas
toallowenginespeedtoexceed
manufacturer'sspecications.
•ModifyingECUparameters.
ExhaustSystem
•Removingorrenderinginoperative
exhaustsystemcomponents.
FuelSystem
•Removingorrenderingengine
speedgovernorinoperative,
allowingenginespeedtoexceed
manufacturer'sspecications.
•Removingofairsignalattenuator
onenginesequippedwiththis
device.
•Removingofdieselexhaustuid
tankandsystem.
InnerFenderShieldsandCabSkirts
•Removingshieldorskirts.
•Cuttingawaypartsofshields,
skirtsordamagedorloose
portionsofshieldsorskirts.
NoiseInsulatingBlankets
•Removingnoiseinsulatorsfrom
engineblockorfromaroundthe
oilpan.
•Cuttingholesin,orcuttingaway
partofnoiseinsulators.
•Removinghood-mountednoise
insulation.
(03/17)Y53-6060-1C15-123
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