With the rapid development of China's economy, the rate of vehicle ownership has increased year by year, traffic accidents, illegal parking and other phenomena occur, then the need for wrecker to help, wrecker can not only clean up illegal vehicles, critical moments can also participate in rescue and rescue. But the wrecker, like other vehicles, will also have such failures, such as brake failure, where is the source of failure, special auto network Xiaobian to advise you. If the brakes fail, I have to take action to stop the vehicle. Check whether the brake fluid leaks, for example, brake fluid needs to be added when the brake fluid is insufficient. If there is leakage, it is necessary to find the leakage site and repair it in time. If the brake fluid leaks out, alcohol or liquor with a high degree can be used as the brake fluid temporarily under forced circumstances. When driving, it is necessary to drive slowly, and it is necessary to go to the maintenance station in time to thoroughly clean the main pump, the sub-pump and the pipeline, and re-fill the specified brake fluid. Brake fluid leakage has two possibilities: one is the brake hose rupture, the other is the brake pump leakage. 
Check the brake hose, find the brake master pump under the brake fluid tank, check whether the brake hose between the brake master pump and the brake subpump inside the wheel is leaking, if so, wrap it tightly with electrical tape, and then use a strong and relatively thin rope to tightly wrap two layers on the wrapped cloth, and then apply with lubricating oil. After the test does not leak, it can be used. Brake pump leakage, brake pump leakage will leak on the engine wheel inside the ground brake fluid, at this time can be in the brake branch pump hose joint with plaster or copper sheet made of gasket, plug the oil pipe, tighten the nut. If there is air in the braking system, it will also lead to brake failure, at this time, it is necessary to exhaust the air, as follows: 1. Connect one end of the hose to the bleed screw hole on the brake pump and insert the other end into the empty container. 2. Step on the brake pedal continuously until the brake pedal rises. 3. Loosen the air release screw and let the brake fluid flow into the container with the air. 4. Tighten the vent screw, relax the pedal, and vent the second time until all the exhaust is brake fluid. In the process of exhaust, check the amount of brake fluid at any time and add it in time.
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