Agricultural machinery. Agricultural trailers and trailed equipment. Drawbar jacks
Agricultural machinery. Agricultural trailers and trailed equipment. Drawbar jacks
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1 Scope This International Standard specifies terms and definitions, establishes test procedures, and creates minimum performance requirements for telescopic mechanical screw-type jacks or hydraulic jacks mounted on agricultural implements as original equipment and/or replacement jacks. Furthermore, this International Standard defines terms, establishes test procedures, and creates minimum acceptance criteria for the use of telescopic mechanical screw-type jacks or hydraulic jacks mounted on agricultural implements as original equipment jacks or jacks fitted with a jack attachment mounts (both weld-on and removable). In addition, it specifies minimum markings and information for use to be provided by the jack manufacturer. These jacks are used specifically for:
— supporting the hitch points of towed agricultural implements during storage;
— lifting and lowering of implement hitches to facilitate attaching to or disconnecting from an agricultural tractor or other agricultural machines;
— levelling of machinery for stationary use.
NOTE Drawbar jacks as part/component of a machine are also covered by ISO 4254-1:2013.
Упомянутые в описании и другие стандарты BS