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This standard specifies the standardized access to repair and maintenance information (RMI) systems to provide repair and maintenance information for tractors, trailed implements and trailers used in agriculture and forestry. This standard provides

— general information and basic principles;

— use case definitions (functional requirements);

— technical requirements;

as guideline for manufacturers intending to establish such an information system.

The informative Annex A includes procedures to ensure the compliance of such information systems with the requirements specified by this standard.

This document provides criteria for construction, establishes performance test methods and defines acceptance criteria for telescopic mechanical screw-type drawbar jacks and hydraulic drawbar jacks intended to be fitted on the drawbar of interchangeable towed machinery (as defined in ISO 12934) and hereafter referred to as "implement(s)"as original equipment or as replacement jacks. 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 implements during storage;

— lifting and lowering of implement tongues to facilitate attaching to or disconnecting from an agricultural tractor; and

— levelling of machinery for stationary use.

This document provides safety requirements, test procedures, and establishes minimum acceptance criteria for the application of telescopic mechanical screw-type drawbar jacks and hydraulic drawbar jacks intended to be fitted on the drawbar of interchangeable towed machinery (as defined in ISO 12934) and hereafter referred to as "implement(s)" as original equipment or jacks fitted with a jack attachment mount.

This document applies to implement mounted jacks or jacks fitted with a jack attachment mount. These jacks are used specifically for supporting the hitch points of implements during storage, lifting and lowering of implement tongues to facilitate attaching to or disconnecting from an agricultural tractor and levelling of machinery for stationary use.

The drawbars are those which are designed to couple with the mechanical connections of towing vehicles.