Document ID: chunk:federal_register_of_legislation:F2021C00509:front:0:p4
Version: federal_register_of_legislation:F2021C00509
Segment Type: other
Provision Reference: 
Character Range: 10388–13561

the vehicle shall be within 1m of the microphone in use.  No person or object other than the person conducting the test and an observer or the objects necessary for the performance of the test shall be within 3m of the microphone in use.

         5.1.6.                              The definition for 'S' in paragraph 3.1.2.1 of Annex 3 to Appendix A is amended to read 'S: engine rotation speed at which maximum power is developed'.

         5.1.7.                              Paragraph 3.2.5.3.2.1 of Annex 3 to Appendix A is amended to read 'The engine is operated at a constant speed having the following value: ¾ S for both controlled ignition engines and for diesel engines.  If the vehicle cannot reach the engine speed ¾ S, the target engine speed shall be 5 per cent below the maximum possible engine speed for that stationary test'.

         5.1.8.                              Paragraph 1 of Annex 5 to Appendix A is amended by inserting the words 'of Annex 3' after the words 'paragraphs 3.1 and 3.2'.

         5.2.                                    LC, LD and LE category vehicles

         5.2.1.                              The following provisions of Appendix B are not applicable:

         Section 3 Application for Approval

         Section 5 Approval

                  Section 7 Modification and Extension of the Approval of the Motorcycle Type or of the Type of Exhaust or Silencing System(s)

         Section 8 Conformity of Production

         Section 9 Penalties for Non-Conformity of Production

         Section 10 Production Permanently Discontinued

                  Section 11 Names and Addresses of Technical Services Responsible for Conducting Approval Tests and of Administrative Departments

         Section 12 Transitional Provisions

         Annex 1 Communication

         Annex 2 Arrangements of the Approval Marks

         5.2.2.                              Paragraph 4.1.3 of Appendix B is amended by inserting 'if applicable' before the words 'the approval mark'.

         5.2.3.                              Paragraph 4.1.4 of Appendix B is amended by omitting 'All original silencers must be bear' and inserting 'All original silencers must bear, if applicable,'.

         5.2.4.                              Paragraph 4.1.5 of Appendix B is amended by inserting ',if applicable,' after the words 'the 'E' mark'.

         5.2.5.                              The following site specifications for measurement of noise emitted by LC, LD and LE category vehicles in motion are deemed equivalent to the specifications in paragraph 1.3.2 of Annex 3 to Appendix B and in Annex 4 to Appendix B:

         5.2.5A  The test site shall take the form of an open space of 50m radius having a central part of at least 10m radius which is practically level, consisting of concrete, asphalt or similar material and not covered with powdery snow, tall grass, loose soil, ashes or the like. The test site surface shall be dry and such as not to cause excessive tyre noise.  Whilst the test is in progress no person shall stand in the measurement area, except the observer and the rider.  Their presence must have no influence on