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ČSN EN 474-10 This document together with EN 474-1:2022 deals with all significant hazards, hazardous situations and events relevant to trenchers as defined in Clause 3 when used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex A) associated with the whole lifetime of the machine as described in EN ISO 12100:2010, 5.4. The requirements of this document are complementary to the common requirements formulated in EN 474-1:2022. This document does not repeat the requirements of EN 474-1:2022 but supplements or modifies the requirements for trenchers. This document deals with: - trenchers (3.1); - trenching equipment (3.2); NOTE - In this document "trenchers" entails both "trencher" and "trenching equipment". - truck vacuum trenchers (3.1.2); - trenchers equipped with trencher backhoe equipment (3.3). This document provides specific health and safety requirements of the trenching equipment itself and of the interface (e.g. mechanical, electric, hydraulic, controls) between the carrier-vehicle and its equipment as well as the interaction and effects on each other when used together (e.g. visibility). This document does not apply to carrier-vehicles which are subject to other relevant regulations. This document does not deal with continuous surface miners as defined in ISO 19224:2017, truck-trenchers that do not incorporate a vacuum extraction system or self-propelled ride-on and pedestrian controlled floor cutting-off machinery (e.g. ground saw) which are under the scope of EN 13862:2021. This document does not provide requirements for main electrical circuits and drives of machinery when the primary source of energy is an external electrical supply. This document does not provide performance requirements for safety related functions of control system(s). The following significant and relevant hazards are not covered in this document: - Transmission of power between self-propelled machinery (or tractor) and recipient machinery; - Laser; - Lightning. This document is not applicable to trenchers which are manufactured before the date of publication of this document by CEN.