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download between 0-24 hoursReleased: 2020
Agricultural trailers and trailed equipment — Drawbar jacks — Part 1: Design safety, test methods and acceptance criteria
|Standard´s number:||ISO 12140-1|
This document specifies criteria for construction, establishes performance test methods and defines acceptance criteria for telescopic mechanical screw- and nut-type drawbar jacks and hydraulic drawbar jacks intended to be fitted on the implement tongue of interchangeable towed machinery [here after 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 an implement for stationary use.
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