Installation of Integral. The dummy shall be placed in the Child Restraint System separate from the seat-back of the chair by a flexible spacer. The spacer shall be 2.5 cm thick and 6 cm wide. It shall have length equal to the shoulder height less the thigh height, both in the sitting position and relevant to the dummy size being tested. The resulting height of the spacer is listed in the table 2 below for the different dummy sizes. The board should follow as closely as possible the curvature of the chair and its lower end should be at the height of the dummy's hip joint. Adjust the CRS belt in accordance with the manufacturer's instructions, but to a tension of 250 ± 25 N above the adjuster force, with a deflection angle of the strap at the adjuster of 45 ± 5°, or alternatively, the angle prescribed by the manufacturer. The spacer shall then be removed and the dummy pushed towards to the seat back. Distribute the slack evenly throughout the harness.
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Sources: Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles