ISO 20474-7:2008 specifies safety requirements and protective measures for wheeled and crawler scrapers, excluding towed scrapers. It is intended for use with ISO 20474-1, which provides general safety requirements for earth-moving machinery, and ISO/TS 20474-14, which addresses mandatory national and regional provisions.
The standard covers significant hazards and safety measures associated with commissioning, operation, and maintenance. It includes requirements for operator seats, retarders, articulated frame locks, towing devices, noise measurement, verification of safety measures, and information for operators. The document also provides informative illustrations of wheeled and crawler scraper configurations.
Application Scope: Applicable to manufacturers, designers, engineers, safety professionals, inspectors, and users of wheeled and crawler scrapers used in earth-moving operations, excluding towed scrapers.
