Precautions Before Driving A Semi-trailer
Semi trailers are large vehicles, which are generally used to tow heavy goods. Semi trailers are generally driven on high-speed highways, so the safety on the road is the most important thing, which is related to our personal safety, is a very important thing, so we should check the vehicles in advance before driving each time.
The first step is to look at the tire first: visually check whether there is no lack of air or adhesion of sundries, and then check whether the steel ring is deformed or cracked.
Check the tightness of the tyre screws again: this detail is not too troublesome for you. You should check whether each screw is fastened one by one. It's a small matter to run off a screw on the way. It's money to lose a tyre, but you can't regret running out of an accident. Apply a sentence is "no small tire", I hope you remember.
Just look at the suspension system: look at the tightness of all the nuts, bolts and U-bolts, which is related to whether to eat the tire.
Shake the outrigger to make sure it is normal: check the outrigger to shake it up and down for a few times, and then see if there is any crack in the welding joint, especially for the current car users who are running, swinging and hanging, and pay attention to this problem.
Touch the wear of moving parts: reach out and touch the small parts such as the box board hinge, box hook, inserting pile and container lock to see if there is any crack.
Check all the lamps and anti cursor stickers: check the electrical circuit to see if there is any abnormality. Turn on the lamp to see if there is any broken lamp. There is no lack of reflective signs. It is believed that there must be someone on the road who has been punished for the lack of reflective signs.
Dashboard in the cab: after starting the car, check whether the air pressure gauge is enough, and then give the foot brake a try.
Listen to the brake for air leakage: get off the car and listen to the sound of air leakage. Test whether the brake works well.
