Safety operation, no matter in which industry is the primary knowledge before using DTH drill should also keep in mind the DTH drill using rules, avoid all exist safety hidden trouble, safe use of DTH drill, first of all to the DTH drill for installation and preparation.

Before using the drill, there should be a check before the drill:

1. When starting work, check to see if the gas water pipe line is connected securely, and there is no leakage.

2. Check whether the oil is filled with oil.

3. Check whether the screws, nuts and joints of the parts have been tightened, and whether the columns are really strong.

When opening the hole, start the motor first, and then push the hand handle of the trigger manipulator.
Give it the proper propulsion and then pull the hand of the control shock to the position of work.
After drilling, the water valve can be opened and the mixture of air and water is kept in a proper proportion.
Perform normal drilling.