1. Purpose and scope
1.1 The purpose of this standard is to define terms, establish test procedures, and create minimum performance requirements for telescopic mechanical screw-type jacks mounted on agricultural implements.
1.2 This standard applies to telescopic mechanical screw-type implement mounted jacks. These jacks are used specifically for: supporting the hitch points of towed agricultural implements during storage, lifting and lowering of implement tongues to facilitate attaching to or disconnecting from an agricultural tractor, and leveling of machinery for stationary use.
