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4 Scrapping Precautions of Drilling Rig Wire Rope. How to determine if your mechanical steel wire rope is scrapped and needs to be replaced? 1. The connection end of the wire rope of the rotary drilling rig and the elevator is often immersed in mud, which is very easy to cause corrosion. So the fastening of the wire rope clamp and the wire breakage at the end of the wire rope should be checked frequently. If there is obvious wire breakage near the end of the elevator. The short wire can be partially cut off and then connected with the elevator again. However, the total length of the wire rope must be guaranteed during the cutting process. And meet the requirements for minimum number of coils on the winding drum.