ISO/WD 19472-1.3

Machinery for forestry — Winches — Part 1: Dimensions, performance and safety

Scope

This document stipulates measures as well as requirements in respect to performance and safety for winches that are used in agriculture and forestry for logging and skidding work.
It applies to permanently mounted and removable winches and their components, which are mounted on mobile and self-propelled forestry machines as defined in ISO 6814:2009, as well as to logging winches mounted on agricultural tractors that are used for forestry work. The document also applies to capstan winches for forestry.
It does not apply to winches:
— that are used for hoisting or lifting operations;
— that are used in draglines;
— that are used in in yarders, unless winches according to 5.17;
— designed for traction aid purposes
— using operating and control voltages > 42 V
— that are used with log splitters according to EN 609-1
It applies exclusively to winches that are used for dragging loads on horizontal and inclined ground during logging operations or which are used to support tree felling work.
The significant hazards included in this standard are identified in Annex A.