BS ISO 789-2:2018规定了用于确定后置三点悬挂系统提升能力的试验程序:a）液压升降机在其整个运动范围内可在下部悬挂点施加的最大垂直力；b） 液压升降机可施加的最大垂直力，位于连接至三点悬挂机构的机架上挂接点后方610 mm处，在其整个运动范围内。交叉引用:ISO 730:2009/AMD 1:2014ISO 730:2009 Ed 1ISO 3448:1992ISO 789-13:2018购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS ISO 789-2:2018 specifies test procedures for determining the lifting capacity of rear-mounted three-point linkage systems:a)the maximum vertical force which can be exerted by the hydraulic lift at the lower hitch pointsthroughout their full range of movement;b)the maximum vertical force which can be exerted by the hydraulic lift, at a point 610 mm to therear of the hitch points on a frame attached to the three-point linkage, throughout its full rangeof movement.Cross References:ISO 730:2009/AMD 1:2014ISO 730:2009 Ed 1ISO 3448:1992ISO 789-13:2018All current amendments available at time of purchase are included with the purchase of this document.