在“关于F200-2DH钻机部分机械结构及配合的改进”一文(见本刊1981年第5期)中,笔者曾就我矿在使用和修理此种钻机的过程中,对其某些机械结构和配合尺寸加以改进的情况作了介绍。现将该型钻机部分机械发生故障的原因及排除措施简述如下。 In “On the F200-2DH part of the drill rig mechanical structure and improve the” article (see the fifth issue of 1981), I had mine in the use and repair of such drilling rig, some of its mechanical structure And with the size to be improved situation was introduced. Now part of the cause of the type of mechanical failure and troubleshooting measures are as follows.