1. Check the integrity and rotation of all parts (including drill, support or drill trolley) before drilling, fill with necessary lubricating oil, check whether the wind road and waterway are smooth and whether the connection joints are firm.
2. Knock on the roof near the working face, that is, check the roof and two sides near the working face for live stone and pine stone, and make necessary treatment.
3, the working face of the formation of the position of the perforation, to be smooth in advance to allow drilling, to prevent skidding or perforation shift.
4, Rock drills is strictly prohibited to play dry eyes, to adhere to the wet drill, the operation of the first water, then open the wind, stop the drill to turn off the wind, then turn off the water. When opening the hole, it will run at a low speed first, and then drill at full speed after drilling at a certain depth.
5. The drill personnel are not allowed to wear gloves.
6, the use of air leg drilling, to pay attention to the standing posture and position, can not rely on the body pressure, more can not stand in front of the drill under the drill rod, in case of injury.
7. If abnormal sound is found in drilling and abnormal discharge of powder is found, stop the drill and check, find out the reason and eliminate it before drilling.
8. When quitting the drill or replacing the drill rod, the drill can be operated at a slow speed. Pay close attention to the position of the drill rod, avoid the automatic cutting off of the drill rod and timely close the gas path.
9, the use of pneumatic leg drill, to put the top solid, to prevent the top skidding injuries.
10. When using the contraction support of upward drill, the drill rod must be supported to prevent the drill rod from automatically falling down and injuring people.
