UNE-EN ISO 4254-9:2020

This part of ISO 4254, intended to be used used together with ISO 4254-1, specifies the safety requirements, and their verification for design and construction, of mounted, semi-mounted, trailed or self-propelled seed drills, including the seeding function of combined seed and fertilizer drills, and seed drills with integrated and inseparable powered soil-working tools used in agriculturehorticulture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.This part of ISO 4254 is (also) applicable to seeding systems where components for seed deposition in the soil, for seed metering and for seed storage are distributed between two or more linked vehicles.This part of ISO 4254 deals with all the significant hazards (as listed in Annex A), hazardous situations and events relevant to seed drills, when they are used as intended and under the conditions foreseen by the manufacturer, excepting the hazards arising from:¾ðelectrostatic phenomena;¾ðexternal influences on electrical equipment;¾ðfailure of energy supply;¾ðfailure, malfunction of control system;¾ðinadequate visibility from drivers/operators position;¾ðtravelling functions (drive, braking etc.);¾ðbreak-up of parts rotating at high speed;¾ðequipment for loading seeds (and fertilizer).This part of ISO 4254 is not applicable to:¾ðfertilizer distributors designed only for solid fertilizer application (dealt with in ISO 4254-8);This part of ISO 4254 is not applicable to electromagnetic compatibility (EMC) nor to environmental hazards (except noise)or electromagnetic compatibility; neither it is applicable to hazards related to maintenance or repairs carried out by professional service personnel.This part of ISO 4254 is not applicable to seed drills which are manufactured before the date of its publication.When requirements of this part of ISO 4254 are different from those which are stated in ISO 4254-1 the requirements of this part of ISO 4254 take precedence over the requirements of ISO 4254-1 for machines that have been designed and built according to the provisions of this part of ISO 4254.NOTESpecific requirements related to road traffic regulations are not taken into account in this standard.