[Code of Federal Regulations]

[Title 40, Volume 24]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR205.57-3]



[Page 123]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 205_TRANSPORTATION EQUIP MENT NOISE EMISSION CONTROLS--Table of 

Contents

 

                    Subpart B_Medium and Heavy Trucks

 

Sec.  205.57-3  Test vehicle preparation.



    (a) Prior to the official test, the test vehicle selected in 

accordance with Sec.  205-57-2 shall not be prepared, tested, modified, 

adjusted, or maintained in any manner unless such adjustments, 

preparation, modification and/or tests are part of the manufacturer's 

prescribed manufacturing and inspection procedures, and are documented 

in the manufacturer's internal vehicle assembly and inspection 

procedures or unless such adjustments and/or tests are required or 

permitted under this subpart or are approved in advance by the 

Administrator. For purposes of this section, prescribed manufacturing 

and inspection procedures include quality control testing and assembly 

procedures normally performed by the manufacturer on like products 

during early production so long as the resulting testing is not biased 

by the procedure. In the case of imported products the manufacturer may 

perform adjustments, preparations, modification and/or tests normally 

performed at the port of entry by the manufacturer to prepare the 

vehicle for delivery to a dealer or customer.

    (b) Equipment or fixtures necessary to conduct the test may be 

installed on the vehicle: Provided, That such equipment or fixtures 

shall have no effect on the noise emissions of the vehicle, as 

determined by measurement method ology.

    (c) In the event of vehicle malfunction (i.e., failure to start, 

misfiring cylinder, etc.) the manufacturer may perform the maintenance 

that is necessary to enable the vehicle to operate in a normal manner.

    (d) No quality control, testing, assembly or selection procedures 

shall be used on the completed vehicle or any portion thereof, including 

parts and subassemblies, that will not normally be used during the 

production and assembly of all other vehicles of the category which will 

be distributed in commerce, unless such procedures are required or 

permitted under this subpart.



[47 FR 57715, Dec. 28, 1982; 48 FR 27039, June 13, 1983]