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ISO 4254-13:2023

Agricultural machinery — Safety — Part 13: Large rotary mowers


Kehtiv alates 19.04.2023
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This document, when used together with ISO 4254-1, specifies the safety requirements and their verification for the design and construction of towed, semi-mounted, or mounted large rotary mowers with single or multiple cutting elements which have a cutting element tip circle of 1 000 mm or greater for any single cutting-element assembly, mounted on a propelling tractor or machine, intended for agricultural mowing equipment and designed for shredding crop residue, grass and small brush by impact. It describes methods for the elimination or reduction of hazards arising from the intended use and reasonably foreseeable misuse of these machines by one person (the operator) in the course of normal operation and service. In addition, it specifies the type of information on safe working practices to be provided by the manufacturer.
NOTE 1    When used outside of agriculture, additional requirements not specified in this document can be applicable.
This document is not applicable to:
—    rotary disc mowers, rotary drum mowers, and flail mowers designed for forage crop harvesting as covered by ISO 4254-12;
—    arm-type large rotary mowers;
—    pedestrian-controlled motor mowers;
—    lawn mowers covered by the ISO 5395 series.
When requirements of this document are different from those which are stated in ISO 4254-1, the requirements of this document take precedence over the provisions of ISO 4254-1 for machines that have been designed and built according to the provisions of this document.
This document is also not applicable to environmental hazards, road safety, electromagnetic compatibility, vibration and hazards related to moving parts for power transmission. It is also not applicable to hazards related to maintenance or repairs to be carried out by professional service personnel.
This document, taken together with ISO 4254-1, deals with all the significant hazards, hazardous situations and events relevant to large rotary mowers used as intended and under the conditions foreseen by the manufacturer. (A list of significant hazards is provided in Annex A.)
NOTE 2    Example illustrations of two mowers (a rigid-deck large rotary mower and a trail-type multi-section, foldable-wing large rotary mower) dealt with in this document are shown in Annex C, C.1.
NOTE 3    Example illustrations of mowers not dealt with in this document are shown in Annex C, C.2.
NOTE 4    ISO 14982 specifies test methods and acceptance criteria for evaluating the electromagnetic compatibility of all kinds of mobile agricultural machinery.
This document is not applicable to large rotary mowers which are manufactured before the date of publication.

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EVS-EN ISO 4254-12:2012

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Uusim versioon Kehtiv alates 02.08.2012

EVS-EN 16246:2012

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EVS-EN ISO 4254-12:2012/A1:2017

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