Precautions before using a semi-trailer

1. Without the guidance of our professional personnel, it is strictly prohibited to weld anything on the beam, otherwise it may cause the beam to break and sag;

2. It is strictly prohibited to modify the trailer's air circuit without authorization before using it;

When installing a welded water tank on a new car, the tractor power must be turned off;

4. Before using a new car, check whether the tire pressure is at the specified value to avoid abnormal tire wear;

5. After connecting the tractor and semi-trailer, it is necessary to check whether the main engine towing seat and trailer towing pin are securely connected;

6. After connecting the tractor and semi-trailer, if the signal of the light bulb is inconsistent, the sequence of the seven core spiral wire ends of the tractor should be adjusted in a timely manner;

7. Before using a new car, check if the axle and tires are securely fastened;

After connecting the tractor and semi-trailer, the braking effect of the vehicle must be checked;

After connecting the tractor and semi-trailer, it is necessary to check the vehicle's air circuit, relay valve, and ABS valve for any air leakage;

10. If the compartment and door of the trailer can be opened outward, please pay attention to whether the handle has locked the compartment and door tightly to avoid accidents caused by the door opening outward while driving on the road.