AS ISO 22915.4:2021 Industrial trucks一Verification of stability Part 4: Pallet stackers, double stackers and order-picking trucks with operator position elevating up to and including 1 200 mm lift height.
This part of Iso 22915 specifies tests for verifying the stability of
— pallet stackers,
— double stackers, and
— order-picking trucks with an operator position elevating up to and including 1 200 mm lift height, measured from the ground to the floor of the platform.
It is applicable to these types of industrial truck, whether with tilting or non tilting masts or fork arms, having a rated capacity up to and including 5 000 kg.
It is also applicable to such trucks operating under the same conditions when equipped with load- handling attachments and to order-picking trucks with an elevating operator’s position up to and including 1 200 mm lift height when equipped with an additional load lifting device(s).
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5053-1, Industrial trucks — Terminology and classification — Part 1: Types of industrial trucks ISO 22915-1, Industrial trucks — Verification of stability — Part 1: General
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5053-1 and ISO 229 15-1 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http://www .org/obp
— IEC Electropedia: available at http://www.electropedia.org/
4 Test conditions
4.1 General
See ISO 22915-1.
4.2 Position of the truck on the tilt table
4.2.1 Load and drive/steer axles
The load axle and the drive/steer axle are defined by Figure 1.
4.2.2 Tests 1, 2,6,7 and 8
The truck shall be positioned on the tilt table so that its drive/steer axle, B—B, and load axle, C—C, are parallel to the tilt axis, X—Y, of the tilt table. See Table 1.
4.2.3 Tests 3,4, 5 and 9
The truck shall be positioned on the tilt table with the line, M—N, parallel to the tilt axis, X—Y, of the tilt table. See Table 1.
Point M is the point on the drive/steer axle B-B projected onto the tilt table and defined as follows.
a) For trucks with a single non-articulating drive (steer) wheel: point M shall be the vertical projection onto the tilt table of the point of intersection between the centreline of the drive/steer axle and the centreline of the drive wheel width.
b) For trucks with a single or dual non-sprung castor wheel: point M shall be the vertical projection onto the tilt table of the point of intersection between the centreline of the castor wheel axle and the centreline of the castor wheel width (single) or the centreline between the two castor wheels (dual), with the centreline of the castor wheel axle being positioned parallel to X—Y. The castor wheel shall be turned away from X-Y to the orientation that produces minimum stability.
c) For trucks with a drive/steer axle in an articulating frame articulated in the centre plane of the truck: point M shall be the vertical projection onto the tilt table of the point of intersection between the lateral axis of the articulating frame and the centre plane, A—A, of the truck.
d) For trucks with a sprung castor wheel and a single non-sprung drive/steer wheel: point M shall be the vertical projection onto the tilt table of the point of intersection between the centreline of the drive wheel axle and the centreline of the drive wheel width, with the drive wheel positioned parallel to X—Y. The castor wheel shall be turned away from X-Y to the orientation that produces minimum stability.AS ISO 22915.4 pdf download.