Position and tighten new union nut .

放好 新联 管 螺母并拧紧。

The closing_in process of union nut assembly is analyzed and the structure working principle and application on the lathe of the rolling closing_in tool are introduced in this paper .

分析了 管 螺母组件收口工艺，介绍了滚压收口工具的结构、工作原理及其在车床上的应用。

Tighten union nut for fuel line .

拧紧燃油管路的 联 管 螺母。

Upon installation a hand-tightened union nut serves to compress the face-seal of a Chemtrol valve .

在安装期间，手动紧固管接 螺母用来压紧 Chemtrol阀门的表面密封。

Thus by adjusting the tightness of the union nut the squeeze of the seats against the ball would be maintained .

因此，在调节 管 接 螺母的紧固度时，阀座对球体的压力就一直存在着。

Tighten the union nut with the correct tightening torque .

用正确的力矩拧紧 联 管 螺母。

The union nut on the hydraulic line must be tightened to the specified tightening torque using the following tools .

必须用下列工具，将液压管路上的 联 管 螺母拧紧到规定的拧紧力矩。

Position union nut for oil return line on the fuel tank and tighten it .

将机油回油管的 联 管 螺母放置在燃油箱上并将其拧紧。

Tighten the union nut in two steps .

分两步拧紧 联 管 螺母。

To do this unscrew union nut .

要执行此操作，请拧开 联 管 螺母。

Remove the Model 7 from the line ( union nut and adapter remain in the line ) .

从管道上拆卸型号7（ 接头 螺母和适配器留在管道上）。