The steering wheel of automatic feeding mixer truck is a device that converts circular motion into linear motion through gear rack and drives the wheel to rotate. If the driver wants to change the driving direction of the cement mixer truck, he needs to use the steering wheel to adjust. The steering wheel plays a very key role in normal driving. If it goes wrong, it will directly affect the driving safety.

有些司机在开车时喜欢将自动上料搅拌车方向盘打得过死，其实这是很伤车的，常时间这样操作，很容易损伤助力泵。助力泵也是自动上料搅拌车上易损的部件，经常打死方向，会让助力泵长期处于绷紧的状态。

Some drivers like to turn the steering wheel of the automatic feeding mixer truck too hard when driving. In fact, it is very harmful to the car. It is easy to damage the booster pump if they operate like this for a long time. The booster pump is also a vulnerable part of the automatic feeding mixer truck. It often kills the direction, which will keep the booster pump in a tight state for a long time.

因此，尽量不要将方向盘打到底，即使在极端情况下，方向打死的持续时间也更好不要超过10秒。

Therefore, try not to turn the steering wheel to the end. Even in extreme cases, the duration of the steering wheel is better, not more than 10 seconds.

经常打死自动上料搅拌车方向盘很伤车！

Often kill the automatic feeding mixer, and the steering wheel is very hurt!

行驶的途中建议自动上料搅拌车司机控制好行车速度，随时观察路面情况，避免紧急刹车以及急打方向盘，这样即确保行车，也可以有效的减少对方向盘的伤害。平时要加强对自动上料搅拌车方向盘的清洁和保养，可以有效的增长它的使用寿命。

During driving, it is recommended that the driver of the automatic loading mixer truck control the driving speed, observe the road conditions at any time, and avoid emergency braking and sudden turning of the steering wheel, so as to ensure driving safety and effectively reduce the damage to the steering wheel. At ordinary times, we should strengthen the cleaning and maintenance of the steering wheel of the automatic feeding mixer, which can effectively increase its service life.

预防维护是指维护作业的内容和时机，按预先规定的计划执行，其目的是为了预防故障发生和维持自动上料搅拌车的工作能力。预防维护又可分为例行维护和计划维护。例行维护的内容和时机与自动上料搅拌车行驶里程无关，如日常维护、停驶维护和换季维护等。

Preventive maintenance refers to the content and timing of maintenance work, which shall be carried out according to the predetermined plan. Its purpose is to prevent faults and maintain the working capacity of automatic feeding mixer truck. Preventive maintenance can be divided into routine maintenance and planned maintenance. The contents and timing of routine maintenance have nothing to do with the driving mileage of automatic feeding mixer truck, such as daily maintenance, shutdown maintenance and seasonal maintenance.

计划维护的内容和时机与自动上料搅拌车行驶里程有关，如一级维护、二级维护等。在计划维护中，维护作业按计划强制执行的则称为定期维护，如果维护作业是按定期检查的结果按需执行的则称为按需要维护。

The contents and timing of planned maintenance are related to the driving mileage of automatic feeding mixer truck, such as primary maintenance, secondary maintenance, etc. In planned maintenance, if the maintenance work is enforced according to the plan, it is called regular maintenance. If the maintenance work is performed on demand according to the results of regular inspection, it is called on-demand maintenance.