How to maintain the semi trailer

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      the most important thing for semi-trailer in summer is rainy season, in addition to the problem of sideslip and good driving habits and skills. Brake and tire maintenance is also driving safety. There is a lot of rain in summer. Pay attention to the paint on the outside of the car. The acid components in the rain are easy to corrode the car paint, and the car body can be waxed and glazed. The chassis is rustproof. The chassis is closest to the ground and is easy to corrode. Therefore, we must pay attention to the cleaning and anti rust treatment of the chassis.

      brake oil; Driving is most afraid of brake failure, brake is one of the most critical parts of the car. One of the guarantees for our safe driving is that the service life of brake oil is generally two years. We should change the brake oil at an appropriate time. When changing the brake oil, we must drain the old brake oil and replace it with a new one, so as to avoid mixing the old with the new. After changing, try to brake in the open territory. Let the air out of the oil.

      the possible cause of the gearbox burning out is that; Lubrication failure, gear not lubricated. It burns when it gets hot. There is also gear stuck will also appear burning gearbox symptoms.       Therefore, the transmission oil should also be added. It's the same with steering wheel oil. Sometimes, you feel that the steering wheel is very heavy. It's better to use semi synthetic oil.

in rainy season, pay attention to the wiring of the car or rain intrusion. Before driving, be sure to check whether all items of the vehicle are normal. Especially the car tire, the car tire is the most important part, especially the tire of the steering wheel

      maintenance

      safe driving is the top priority of truck life. In order to prevent accidents, the trailer should be checked every week or before each transportation. The more complete the inspection items, the better

      1. Look at the tires & nbsp; Visual measurement of tire pressure

      visually check that there is no lack of gas and sundries attached, and then check the steel ring for deformation and cracks.

don't worry about the details of tightening the screws of the air cannon. You should check whether each screw is tight one by one. It's a small matter to run off a screw on the way, and money can solve the problem of losing a tire, but if there is an accident, it's too late to repent.

      3. Just look at the suspension system

      take a look at the tightness of all nuts, bolts and U-bolts, which are related to whether the tire is eaten.

to check the outrigger, you must shake it up and down for a few times, and then check whether there are cracks in he welding joint, especially for the current riders, you must pay attention to this problem.

      check the box board, lock bar, reach out and touch the box board hinge, box hook, inserting pile, container lock and other small parts to see if there are cracks.

      6. Check all lamps and backlight

      check the electric road to see if there is any abnormality. Just get on the car and turn on the light to see if there is any broken light. If there is no lack of reflective signs, I believe there must be some card friends who have been punished for missing reflective signs.

      after the cab dashboard starts the car, check whether the barometer is enough, and then try the brake with one foot.

      get out of the car, listen to the sound of air leakage and test whether the brake works well.

      Maintenance knowledge

      for the maintenance of semi-trailer in summer, we should pay attention to the anti-skid problem of driving in rainy season. In addition to good driving habits and skills, the maintenance of brakes and tires is also the key to driving safety, so we must pay attention to maintenance in daily use. The maintenance can be carried out according to the following steps.

      (1) wax and glaze the car body. The acid components in rainwater have strong corrosion to automobile coatings. Therefore, in rainy season, it's better to make the car beautiful（ 2) The chassis is rustproof. In addition to the paint, the chassis is close to the ground and easy to corrode. Therefore, we must pay attention to the cleaning and anti rust treatment of the vehicle chassis（ 3) Trailer disinfection. Clean the interior of vehicles in rainy season to avoid the harm of various bacteria to human body& emsp;（ 4) Check the circuit in time. In rainy season, the vehicle electrical system should be checked frequently to avoid leakage fault（ 5) Heat regularly. Turn on the heater to make it moldy. When the sun, can stop in the sun, exposed to the sun, open the window, let the air convection. Regular maintenance of the semi-trailer can effectively extend the service life of the semi-trailer, which is very necessary for safe driving.