1. After the engine is started, no one is allowed to stand in the bucket, boom, crawler belt and hangar.
2. The working position must be flat and stable. The crawler should be braked before work, the outriggers of the wheeled excavator should be supported, the direction of the body should be consistent with the extension direction of the excavation face, the shovel should not be too deep during operation, and the bucket should not be lifted too hard.
3. When excavating the earthwork with stones on a high and steep working surface, remove the larger stones and debris. If the soil is dug into a suspended state and cannot collapse naturally, manual handling is required, and it is strictly forbidden to smash the suspended earth down with a shovel.
4. It is strictly forbidden to pass the bucket over the top of the cab of the earth-moving vehicle. When unloading the soil to the earth-moving vehicle, the height of the bucket should be lowered to prevent unbalanced load or damaging the vehicle. It is strictly forbidden to stand in the operating range of the bucket.