Road vehicles. Trailers up to 3,5 t. Control of welded towing brackets for coupling ball after fatigue testing Ingestion-build-54484 For assuring customer satisfaction

For assuring customer satisfaction

BS 4427-3:1989 supersedes BS 4427-3:1969

or when other functional elements

2 Flat pallets

– risk relevant to a zone of a structure

Road vehicles. Trailers up to 3,5 t. Control of welded towing brackets for coupling ball after fatigue testing Ingestion-build-54484 For assuring customer satisfaction1 Scope This International Standard defines a simplified and reliable check procedure of the mechanical coupling devices between light trailers, and towing vehicles, covered by ISO 3853 and European regulation (94 20 CE), which specify a dynamic test of mechanical resistance at the conclusion of which these devices should present neither fractures, splits, cracks, nor visible external deteriorations caused by the test. This International Standard is