本技术规范给出了无需工具即可打开的防护装置的设计和构造的安全要求及其验证方法，该防护装置用于保护自走式骑乘机械和农业用安装式、半安装式或牵引式机械的动力传动装置的活动部件。此外，它还规定了制造商提供的安全工作实践（包括剩余风险）信息的类型。它涉及重大危险（如附录A所列）、危险情况和事件，这些危险情况和事件与按照预期和制造商预见的条件使用的电力传输移动部件的防护装置有关（见第4条和第5条）。不适用于牵引车、飞机、气垫车、雨篷和园林设备动力传动的运动部件的防护

This Technical Specification gives safety requirements, and the means of verifying them, for the design and construction of guards, able to be opened without a tool, which are used to guard the moving parts of the power transmission of self-propelled ride-on machines and mounted, semi-mounted or trailed machines used in agriculture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.It deals with the significant hazards (as listed in Annex A), hazardous situations and events relevant to guards of moving parts of power transmission used as intended and under the conditions foreseen by the manufacturer (see Clauses 4 and 5).It is not applicable to guards for moving parts of the power transmission oftractors,aircraft,air cushion vehicles, orlawn and garden equipment