Rotary drill on how to turn over bed 

A few days ago, a machine hand driving rotary drill dray dumper after the boss scolded, something like this, the main reason is that the machine hand, if you can get in the right way, sure not unexpected. Generally speaking, the swing arm of rotary excavation is more than ten meters or even tens of meters, and the operation is slightly inappropriate, so it is easy to cause the center of gravity to be out of control and overturned. At a higher risk of overturned carts, so there is no master guide, very dangerous! We must obey the command, careful driving are generally not an accident.

Let us say a step down:

1, the flat car in a relatively flat hard road, an air break.

2. Put down the ladder at the rear of the flat car.

3. Adjust the direction of the rotary drilling rig, track the parallel with the car, and ensure that the distance between the sides of the same width, so that the track is just aligned in the middle of the ladder.

4, back on scooters, slowly, and adjust the height of the mast, especially when the center of gravity.

5, in addition to walking and adjustment under a mast height is prohibited to use other actions

6, the car will be placed below the sleepers and supporting power head power head remained stable.