This Standard specifies safety requirements and their verification for design and construction of guards and detachable transmission shafts intended to link a tractor or a self-propelled machine to the first fixed bearing of a recipient machinery. This Standard concerns only the equipments for which the guards are mechanically linked to the drive shaft by at least two bearings. This Standard does not deal with the guards totally covering the drive shaft, nor the guards intended to be fitted on various types of drive shafts.
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