Peterbilt 579 - Noise and Emission Control; Noise Emission Warranty

NOISE AND EMISSION CONTROL
5
NOISE AND
EMISSION
CONTROL
Noise Emission Warranty
There are specic components on
the vehicle that are designed to meet
certain Environmental Protection
Agency (EPA) emissions and noise
regulations. To maintain conformance
with the regulations, these components
need to be functional and properly
maintained.
Tampering
with Noise Control
System
Federal law
prohibits the following
acts or the causing thereof:
(1) The removal
or rendering
inoperative by any person other than
for purposes of maintenance, repair, or
replacement, of any device or element
of design incorporated into any new
vehicle for the purpose of noise control
prior to its sale or delivery to the
ultimate purchaser or while it is in use,
or (2) the use of the vehicle after such
device or element of design has been
removed or rendered inoperative by
any person.
Among those
acts presumed to
constitute tampering are the acts listed
below:
Air Intake
System
• Removing or rendering inoperative
the air cleaner/silencers or intake
piping.
Engine Cooling
System
• Removing or rendering inoperative
the fan clutch.
• Removing the fan shroud.
Engine
• Removing or rendering engine
speed governor inoperative so as
to allow engine speed to exceed
manufacturer's specications.
• Modifying ECU parameters.
Exhaust System
• Removing or rendering inoperative
exhaust system components.
5-116 Y53-6047–2C (04/13)