coupling nut

基本解释

Slide ring and nut over end of tube. Slide end of tube into compression coupling in float chamber. Tighten both couplings.
将环和螺母滑动到管道末端上。将管道末端滑进浮子腔内的压紧联轴节内。紧固两个联轴节。
After ensuring the male coupling nut is free of scratches, nicks and burr, take the nut and insert into the cable with the thread pointing outward.
按螺纹朝外方向将公螺母装入电线。装入前螺母应被检查过没有刮伤，毛刺。
Operator Notes: The boot device should be preceded by checking whether the coupling nut loose or fall off, if in time to tighten the nut with the wrench.
操作工须知：在启动设备前应先检查联轴器的螺母是否有松动或脱落，如有要及时将螺母用扳手把紧。