Old driver sums up the experience of brake adjustment and safe driving

[Xiagong Chusheng original] Forum card friends "oil tank driver" published a post a few days ago called "about braking and safety driving" posts. A lot of valuable car experiences have been discovered in netizens' posts. The small editors are now sorted out for your reference.

● How to adjust the brakes?

Many car users are not clear on how to adjust the brakes. The quality of the brakes is directly related to traffic safety. The best way for you to do it yourself is to adjust it yourself. Even if the repairman is required to adjust it, you have to supervise it.


Because of the difference in the load capacity of each vehicle axle, its function is also different. There are also certain differences in the adjustment of the brakes. "Oil car drivers" and "Veteran Warrior" said: Generally, the brake adjustment is to tighten the adjustment screw on the camshaft adjustment arm and release the three buckles (about 90 degrees), but it must be guaranteed. The same as the axle tire brakes; different axle load is different, there will be differences in the adjustment of the tightness; the steering wheel of the tractor is best to loosen on the wet road to avoid the phenomenon of folding.

Xiaobian tips:

The above method of adjusting the brake is only applicable to temporary adjustments on the road. After adjustment, a certain number of roads are run to check the abnormal temperature of the brake drum. Many tire fire accidents are caused by the fact that no attention is paid to the out-of-round brake drum during the brake adjustment. Therefore, when adjusting the brakes, it is best to use jacks to jack up the wheels, and in the process of mediation, constantly turning the wheel to feel the adjustment.

The brake system with automatic adjustment arm does not need to adjust the brake, but in the daily car, it should always check whether it is reliable and effective.

● How to brake

It may be a simple matter for the novice driver to think of the brakes, not just pressing the brake pedal. Actually, let's take a look at the brake method provided by the “oil-car driver”: “When I’m driving at the same time, I’m almost very light on the brakes. I mainly use the brake (without ABS), and the car behind me can obviously feel it. My brake lights are flashing and the frequency is still very fast.If the old driver is behind the car, he will know that the driver in front is the veteran, if the driver is behind the car, he will feel that the driver in front of the car is sick or the front car. There is a problem with the circuit, the advantage of the point brake is that the tire will not lock, simply say that it is manual ABS."

Why do you need to take a brake? First, the artificial version of ABS anti-lock braking system to ensure that the vehicle will not run out of control on the wet surface; Second, the tire will not produce sliding friction, to achieve the maximum braking effect; Third, to prevent the brake system overheat due to long-term friction caused by brake failure; Fourth, the effective prompt rear vehicle "I'm braking, you should pay attention", play a predictive role, reduce the chance of rear-end accidents occur.

Xiaobian tips:

Excessive brakes easily cause the brakes to lock up. After the brakes are locked, the tires and the ground are sliding friction (friction is divided into two types, one is called rolling friction, and the other is sliding friction. Compared to sliding friction, the coefficient of rolling friction is greater The brake capacity is weakened and the braking efficiency is reduced. At the same time, due to the locked brake, the friction point between the tire and the ground does not change, and it is also likely to cause excessive local wear on the tire. Braking the front wheel with the brakes, the vehicle will lose its ability to turn and the vehicle will not be controlled by the driver. The semi-trailer's brakes on the front wheels are very easy to cause "double head" accidents. Braking the rear wheel with brakes can cause the vehicle to slip sideways, such as the tail throw of a vehicle, which is caused by the locking of the rear wheels.

Some drivers will use point brakes to solve the problem of braking and locking. However, if they are not handled properly, it will easily cause the air pressure in the air reservoir to fall too fast, causing an accident. With the gradual maturity of domestic truck technology, ABS anti-lock brake system has become the standard for most trucks. In order to drive safely, it is recommended that you consider when choosing trucks.

● Freeway driving

1. Engine economic speed

Fuel consumption has always been a common topic of ours. When driving on the highway, do not pursue high speeds and increase engine speed, regardless of your own pockets of silver. The economic speed of a typical truck engine is between 1200 rpm and 1500 rpm; higher or lower fuel consumption increases fuel consumption.

2. Safety distance


When driving on a freeway, it is necessary not only to maintain a safe distance from the vehicle in front, but also to observe the distance between the rear vehicle and its own vehicle at any time through the rearview mirror. If it is found that the rear vehicle is too close to the car, a double flash prompts the rear vehicle. In the case of bad weather, this distance must be lengthened.

Tips:

China’s “Road Traffic Safety Law” stipulates that when a motorized vehicle is driving on a freeway, and the speed exceeds 100 kilometers per hour, the safety distance is 100 meters or more; when the speed is less than 100 kilometers per hour, the minimum safe car distance shall not be less than 50 meters. The traffic control department explained that when the speed is 60km/h, the distance between the vehicles should be more than 60 meters; when the speed is 80 kilometers, the distance between the vehicles is 80 meters or more, and so on.

The factors affecting the braking distance include the vehicle's driving speed, the driver's reaction time, the condition of the road surface, weather changes, the number of cargo loads, and the structure of the brakes. Therefore, the faster the vehicle speed, the longer the distance traveled by the vehicle under the same reaction time; the smoother the road and the greater the amount of cargo carried, the longer the distance from braking to parking, and the appropriate increase in the safety distance.

● Complex roads

When driving through the more complicated roads on the national road or on the road, driving should be more careful. "Oil car driver" is doing this: "1, slow down:" ten accidents nine times fast" as the driver should have heard this sentence, the car accident is basically the speed caused by excessive speed caused by the vehicle out of control. Look more: Pay more attention when passing a market town, especially if you look at the mirrors on both sides. When I drive a car, 70 percent of my time is spent watching the reversing mirror. The height can not be passed, because occasionally there are roads that are seen hanging on wires and hanging on high limit bridges.. 3. Listen carefully: If you open the window, turn off the music, if there are people or things, there must be Ringing or calling for help can respond in a timely manner."

The card friend was especially careful when driving. Can be seen from his "70% looking at the rearview mirror" and "open window, off the music." Looking at the mirror can always observe the situation on both sides of the vehicle and behind it to prevent it from hanging to pedestrians, etc., while listening to sound is an auxiliary measure on the previous behavior.

Xiagong Chusheng (Hubei) Special Purpose Vehicle Manufacturing Co., Ltd. ( known as the municipal sanitation and semi-trailer professional vehicle manufacturer )

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