TB/T 2883.2-1998 in English

本标准规定了15号车钩全开位钩舌与钩腕内侧距检查样板的形式、尺寸和技术要求。
本标准适用于15号车钩全开位内侧距样板。该样板用于检查15号车钩处全开位时钩舌与钩腕内侧距是否过限，以及用于该部位的修复检查。

Scope

This standard specifies the form, size and technical requirements for the No. 15 coupler's fully open position knuckle and hook bowl inner distance inspection sample (hereinafter referred to as the fully open position inner distance sample). This standard applies to the No. 15 coupler fully open position inner distance sample. This sample is used to check whether the inner distance between the hook tongue and the hook wrist is excessive when the No. 15 coupler is in the fully open position, and is used for repair inspection of this part.