General Information 00 Noise Emission Control Systems Maintenance: 00–01 General Information ment of design incorporated into any new vehicle for the purpose of noise control prior to its sale or deliv- ery to the ultimate purchaser or while it is in use, or (2) the use of the vehicle after such device or ele- ment of design has been removed or rendered inop- erative by any person. Among those acts presumed to constitute tampering are the acts listed below: Federal Law, Part 205:
Transportation Equipment Noise Emission Controls Part 205, Transportation Equipment Noise Emission Controls, requires the vehicle manufacturer to fur- nish, with each new vehicle, such written instructions for the proper maintenance, use, and repair of the vehicle by the ultimate purchaser to provide reason- able assurance of the elimination or minimization of noise emission degradation throughout the life of the vehicle. In compliance with the law, the Noise Emis- sion Control Systems maintenance located in each applicable group within this manual, in conjunction with the vehicle service manual, provides these in- structions to owners. A. Removal of engine noise-deadening panels. B.
Removal of or rendering the engine speed gover- nor inoperative so as to allow engine speed to exceed manufacturer’s specifications. C. Removal of or rendering inoperative the fan clutch, including by-passing the control on any thermostatic fan drive to cause it to operate con- tinuously. Normal Vehicle Use D. Removal of the fan shroud. E. Removal of or rendering inoperative exhaust sys- tem components, including exhaust pipe clamp- ing. The maintenance instructions contained in this manual are based on average vehicle use and nor- mal operating conditions. Unusual vehicle operating conditions may require service at more frequent in- tervals. F. Removal of air intake system components. G.
Removal of hood liners (noise-deadening pan- els). Recommendations for Replacement Parts Maintenance Instructions Replacement parts used for maintenance or for the repair of noise emission control systems should be genuine Freightliner parts. If other than genuine Freightliner parts are used for replacements or for the repair of components affecting noise emission control, the owner should be sure that such parts are warranted by their manufacturer to be equivalent to genuine Freightliner parts in performance and dura- bility. Scheduled intervals are in the maintenance tables in Group 00 of this manual.
A "Verification of Inspec- tions Log" is contained in the following table, and should be filled in each time the noise emission con- trols on the vehicle are maintained or repaired. Freightliner Noise Emissions Warranty Refer to the vehicle owner’s warranty information book for warranty information concerning noise emis- sion control systems. Tampering With the Noise Control System is Prohibited Federal law prohibits the following acts or the caus- ing thereof: (1) the removal or rendering inoperative by any person other than for purposes of mainte- nance, repair, or replacement, of any device or ele- Business Class Trucks Maintenance Manual, February 2004 00/1