Support-leg foot adjustability requirements. The support-leg shall be adjustable in order to ensure that the support-leg foot can be positioned throughout the height range of the support-leg foot assessment volume as specified below (see also figures 3 and 4 of Annex 19 to this Regulation). Where incremental adjustment is provided, the step between two locked positions shall not exceed 20 mm. The support leg foot assessment volume is defined as follows: (a) In width by two planes parallel to the X'-Z' plane, separated by 200 mm, and centered around the origin; and (b) In length by two planes parallel to the Z'-Y' plane and positioned at distances of 585 mm and 695 mm forward of the origin along the X' axis; and (c) In height by two planes parallel to the X'-Y' plane positioned at distances of 285 mm and 540 mm below the origin along the X' axis. It shall be permissible for the support-leg to be adjustable beyond the height limits in the Z' direction (as indicated by key 6 in figure 3 of Annex 19), providing that no parts extend beyond the limiting planes in the X' and Y' directions.
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Sources: Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Regulation No. 129
Support-leg foot adjustability requirements. The support-leg shall be adjustable in order to ensure that the support-leg foot can be positioned throughout the height range of the support-leg foot assessment volume as specified below (see also figures 3 and 4 of Annex 19 to this Regulation). Where incremental adjustment is provided, the step between two locked positions shall not exceed 20 mm. The support leg foot assessment volume is defined as follows:
(a) In width by two planes parallel to the X'-Z' plane, separated by 200 mm, and centered around the origin; and
(b) In length by two planes parallel to the Z'-Y' plane and positioned at distances of 585 mm and 695 mm forward of the origin along the X' axis; and
(c) In height by two planes parallel to the X'-Y' plane positioned at distances of 285 mm and 540 mm below the origin along the X' axis. It shall be permissible for the support-leg to be adjustable beyond the height limits in the Z' direction (as indicated by key 6 in figure 3 of Annex 19), providing that no parts extend beyond the limiting planes in the X' and Y' directionsY'directions.
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Sources: Regulation Concerning Technical Prescriptions for Wheeled Vehicles