If you use the DTH drill pipe for a long time, some failures will inevitably occur. At this time, it needs to be overhauled. When repairing DTH drill pipe, you should pay attention to the following two aspects:

　　1. Do a good job of inspection. When making repairs, the first thing to do is to check. Many people have no way to find the problem in a time when repairing such mechanical equipment. The main reason is that they have ignored the details. Therefore, when repairing, it is also necessary to check the DTH drill pipe. Only by doing the check can you find the problem.

　　2. Follow the instructions for maintenance. When repairing the DTH drill pipe, you need to follow the relevant instructions. When disassembling, it is also necessary to follow the instructions in the disassembly. So you can carry out certain repairs through such disassembly so that you can carry out related repairs after you find the problem.

　　When repairing mechanical equipment such as DTH drill pipe, the issues that need to be paid attention to are not only these two issues but also other issues. After paying attention to such matters, we can make better maintenance and let the DTH drill pipe play a greater role.