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[F1ANNEX II U.K. SCOPE, DEFINITIONS AND REQUIREMENTS FOR VEHICLES IN CATEGORY M1

Appendix 3 Method for testing the strength of seat anchorages and their adjustment, locking and displacement systems

1. Test of resistance to inertia effects U.K.

1.1. The seats to be tested shall be mounted on the vehicle body for which they are designed. This vehicle body shall be firmly anchored on a test trolley as prescribed in the following paragraphs. U.K.
1.2. The method used for anchoring the vehicle body on the test trolley shall not result in a reinforcement of the seat anchorages. U.K.
1.3. The seats and their parts shall be adjusted and locked as prescribed in Paragraph 1.1 and in one of the positions described in Paragraph 3.3 or 3.4 or Appendix 1 of this Annex. U.K.
1.4. If the seats of a group do not present essential differences in the sense of Paragraph 2.2 of this Annex, the tests prescribed in Paragraphs 3.1 and 3.2 of Appendix 1 may be carried out with one seat adjusted to its foremost position and the other set adjusted to its rearmost position. U.K.
1.5. The trolley deceleration is measured with data channels of frequency class (CFC) 60 corresponding to the characteristics of international Standard ISO 6487 (1980).] U.K.