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Knowledge of flat semi-trailer

Aug. 31, 2021

The flatbed semi-trailer has no fence on the vehicle part and has a wide range of uses. It is mainly used for medium and long-distance freight transportation.

Features

    1. The flat-plate semi-trailer type walking structure uses high-strength international steel material; the vehicle has a light weight, and guarantees its anti-torsion, anti-vibration, and anti-bumping capabilities to meet different road bearing capacities

    2. The frame of the series semi-trailer adopts a beam-through structure, and the longitudinal beam adopts a straight type or a gooseneck type. The height of the webs ranges from 400mm to 550mm, the longitudinal beams are welded by automatic submerged arc welding, the frame is shot blasted, and the cross beams penetrate the longitudinal beams and weld the whole.

    3. Composed of tandem dry plate spring and suspension support, the structure is reasonable, with strong rigidity and strength, used to support the load and buffer the impact.

    maintainance

    After buying a semi-trailer, regular maintenance of the semi-trailer is a "compulsory course" for owners. However, due to the unevenness of the good and the bad in the auto repair market, some "black auto repairs" have spotted the weakness of car owners generally lacking knowledge of semi-trailer maintenance, adding unnecessary items when customers maintain their vehicles, or shortening the mileage of parts replacement in order to make profits; and most The car owner didn't know if he was deceived because he didn't know the real situation.

    First, wash

    When the semi-trailer does not catch fire easily, the throttle may be dirty, and the repair shop will suggest you to do a "three wash". Many small repair shops on the street now advertise "professional cleaning without disassembly". First use "professional cleaning solution without dismantling" to clean the air inlet, commonly known as "slinging bottle", and then to clean the throttle, spray the carburetor cleaning agent on, wipe off the oily dirt, visible and tangible, time Not in vain, 100 yuan for working hours.

    After the three washes, the problem really disappeared. In fact, as long as the throttle is washed, most of the problem can be solved. Moreover, the effective cleaning of the intake duct is to completely remove it and wash it like a range hood, but the maintenance workers are very troublesome. They think that the trouble is not profitable.

    Second, change the spark plug

    When the oil volume increases, you can consider replacing the spark plug. The general repair shop will recommend replacing it at 20,000 to 30,000 kilometers. In fact, this is determined by the quality of the spark plug. For ordinary spark plugs, you can change them once for 40,000 kilometers, and for platinum and iridium plugs for 60,000 to 80,000 kilometers.

    Here is a way to save money: buy a spark plug by yourself, which costs tens of yuan, and the expensive one is only hundreds of yuan. If you find a medium-sized store, you can install it with your own eyes for ten or twenty yuan.

    This also has a greater advantage, that is, it can prevent the repair shop from putting the used spark plugs removed from other people's cars on your car.

    Third, the engine

    The engine is the heart of a car. People who don’t understand the car are very afraid of the car’s "heart neck."

    Send it to the repair shop. People say that the engine needs to be overhauled, so we have to obediently hand over the car to them. But what they have done may be to deal with minor problems such as aging valve oil seals, piston ring wear, and jamming.

    If you are driving normally in a city, the engine will have to be overhauled after 100,000 to 150,000 kilometers. Let's talk about it when you feel that the car is boring and can't raise the speed.


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