1, check all parts before drilling (including drill, support or jumbo) integrity and rotation, filling the necessary lubricating oil, the wind road, waterway was clear, the connector is strong.

Knock help to ask the top 2, near the working face, i.e. check near the working face roof and two help living stone, stone, and the necessary processing.

3, working face smooth hole position, pounding up ahead of time to allow drilling, to prevent the skid or displacement of the perforation.

4, it is strictly prohibited to dry eye, insist on wet drilling, when boiling water first, after the wind, when the drill is going to stop, first close the wind, after turn off the water. First when low speed first, after waiting for drilling certain depth and drilling at full speed.

5, drill table help qian personnel are not allowed to wear gloves.

6, using a pneumatic drill eye, pay attention to the standing posture and position, can never rely on body pressure, more can't stand in front of a rock drill drill down the work, in case of broken bit hurt.

7, found abnormal sound in the drill, platoon powder effluent is not normal, should stop check and find out and eliminate, to continue drilling.

8, exit drill or replace drill, drill can slow running, to pay attention to the drill steel position, avoid drill off automatically cuts, and in a timely manner to close the gas path.

9, the use of pneumatic rock drill drilling, should have a top real, avoid skidding top cuts.

10, use up drill contraction, must hold the drill rod, automatically in case of drill rod falling cuts.