2025-09-07 00:38 浏览次数 8
鉆机
When the damper pistons begin retrieving, clutch off drawwork to make the mast fit into the position slowly by its own weight.
当活塞开始收缩后,摘除绞车动力,使井架依靠自重缓慢就位。
Clutch on drawwork at low gear and evenly lift the mast at the lowest speed all the way. Do not brake if there is no abnormity.
绞车一次挂合离合器,以最低绳速将井架匀速拉起,中途无特殊情况不应剎车。