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Brake failure accidents are common; the countermeasures must be remembered!
With the rapid development of the logistics industry, the demand for transportation efficiency is also increasing. As roads get better and vehicles drive faster, the probability of truck accidents is showing a rapid upward trend. Among these, occurrences of brake failure are not uncommon. Although rare, if not handled properly, the consequences can be very serious. Therefore, it is very necessary to master some emergency braking measures in advance.
Three Causes of Brake Failure
1. Lack of necessary maintenance of the brake system, such as too many impurities in the master brake cylinder, poor sealing, failure of the vacuum booster, overly dirty brake fluid, or mixing several types of brake fluid leading to vapor lock when heated, leakage in the master cylinder or wheel cylinders, or air leaks at the air tank or pipe connections.
2. Mechanical failure due to improper operation, such as prolonged downhill driving causing the brake pads to overheat and the brake drums to carbonize, resulting in complete brake failure.
3. Severe overloading, where the increased vehicle inertia caused by gravity directly leads to brake failure.
Handbrake Braking
In the event of brake failure, the handbrake can be used to stop the vehicle. The correct method is to slowly pull up the handbrake, tightening and releasing it several times in sequence to gradually slow down and stop the vehicle. It is important to press the safety button on the handbrake handle while pulling it, so that the handbrake can operate smoothly during tightening and release, preventing it from locking up when pulled too hard.
Handbrake braking
Downshift braking
Manual transmission cars can also slow down and stop by forced downshifting. The specific method is to directly shift into 2nd gear, then release the accelerator and lift the clutch. At this time, the vehicle will have a sudden braking sensation, then shift into 1st gear when appropriate. At this point, the ignition can be turned off, using the compression of the engine cylinders to stop the vehicle.
Emergency Braking
If brake failure occurs on dangerous sections of road such as downhill stretches in suburban areas, in order to prevent the situation from worsening, it may be necessary to use obstacles like roadside sand or soil piles, grass piles, ditches, trees, or rocks to create resistance to stop the vehicle.
Self-Rescue Measures in Emergency Situations
1. Seat belts can prevent passengers from rushing toward the windshield during emergency braking. If you are not wearing a seat belt, it is best not to try to brace yourself against the collision forcefully, as this may cause more serious injury than letting it happen naturally, because deceleration collisions are more sudden. At the moment of impact, try to move as far away from the steering wheel as possible, cross your arms over your chest, and hold your head with your hands.
2. According to relevant data, the front passenger seat is the most dangerous seat. If seated there, first hold your head and lie back on the seat, or make fists with both hands, protect your forehead with your wrists, and at the same time bend your body and lift your knees to protect your abdomen and chest.
3. For sleeper berths, the best protection is to quickly stretch one leg forward and press it against the back of the seat in front, bend your elbows in front of your chest, open your hands to protect your head and face, arch your back, and press it against the seat.
4. Here we also emphasize that, in the event of a crash or emergency braking, you should quickly push the armrest or seatback forward with both hands and stomp forward with one foot in front of the other. This dissipates the impact and slows the forward motion of the body, thereby reducing the severity of injury. During a collision, do not shout; keep your lips tightly closed and your teeth clenched to avoid biting your tongue. The likelihood of fire is extremely high in truck collisions, so once the impact stops, everyone should leave the vehicle as quickly as possible.
In summary, to avoid brake failure, truck drivers must regularly maintain their vehicle's braking system. If brake failure unfortunately occurs, remain calm, think through countermeasures carefully, and avoid panicking or losing composure.
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