scope:

This part of ISO 11806 specifies safety requirements and their verification for design and construction of portable handheld, combustion engine driven brush-cutters and grass-trimmers having an integral combustion engine as a power source and mechanical power transmission between power source and cutting attachment. This standard is not applicable to lawn edge trimmers or to brush-cutters equipped with metallic cutting attachments consisting of more than one part, e.g pivoting chains. It describes methods for the elimination or reduction of hazards arising from their use. In addition it specifies the type of information on safe working practices to be provided by the manufacturer. This document deals with all significant hazards, hazardous situations or hazardous events relevant to these machines, as well as when they are used as intended and under conditions of reasonably foreseeable misuse. NOTE See Annex D for list of significant hazards. This part of ISO 11806 applies primarily to machines which are manufactured after the date of issue of the standard.