With the more widespread use of drill, how to safely use becomes more and more important, so follow the drill manufacturers together to learn about it:

1, ready to cut rock cavern, cave size may be determined in accordance with method of drilling, General level hole dug the cave with a height of 2.6-2.8 meters, on the chisel to the hole, when tilted to the hole or holes under the cavity width of 2.5 meters, and a height of 3 meters.

2, steam pipes, lighting circuit led stand-by near the face.

3, when it started to work, you should carefully check that the gas pipe is securely connected, there is no leakage leakage phenomenon.

4, check the Oiler is already filled with oil.

That's down-the-hole drilling rig manufacturers give you a summary of the relevant comments, want to be able to help you.