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Safety Standard for Large Row-Crop Flail Mowers

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

ASAE  ANSI/ASABE S639.2   February  2019

Keywords: Flail, Mower, Row crop, Safety

1 Scope

This standard specifies the safety requirements and their verification for the design and construction of large row-crop flail mowers with a cutting width larger than 3 m and used exclusively in agricultural field applications and which have the rear part that can be opened for these particular field use operations. These machines may be equipped with adjustable material discharge gates or deflectors located on the rear of the mower. It describes methods for the elimination or reduction of hazards arising from the intended use and reasonably foreseeable misuse of these machines by one person (the operator) in the course of normal operation and service. In addition, it specifies the type of information on safe working practices to be provided by the manufacturer.

It is applicable only to mowers intended to work at ground level.

It is not applicable to flail mowers with less than 3 m in cutting width, and/or without the rear part that can be opened for particular field use operations, mowers with an articulated arm, pedestrian-controlled motor mowers, lawn mowers or machines specifically designed for highway and road maintenance.

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