与定期保养搅拌车时需要更换机油机滤一样，大灯灯泡也需要定期更换。一般来说每行驶5万或者2年左右，大灯灯泡的亮度就会减弱，此时更好到服务站进行一下检测，如果确实有亮度不足的情况，那么建议更换灯泡，左右两边同时更换，以免出现两侧亮度不一样的情况。我就是因为在灯泡亮度减弱后没有及时更换，导致年检时白白浪费了时间。

Just as the oil filter needs to be replaced when the mixer is maintained regularly, the headlamp bulb also needs to be replaced regularly. Generally speaking, every 50000 km or 2 years, the brightness of the headlight bulb will be weakened. At this time, it is better to go to the service station for a test. If there is really insufficient brightness, it is recommended to replace the bulb, and it is recommended to replace the left and right sides at the same time, so as to avoid the situation of different brightness on both sides. It is because I did not replace the bulb in time after the brightness of the bulb weakened, which led to a waste of time in the annual inspection.

灯光亮度减弱还有一种情况，由于环境的影响导致灯罩老化，同样会让大灯亮度减少50%以上。灯罩脏污和老化还会使灯光模糊，使人产生眩晕，因此，灯罩老化也要及时更换。

There is another case that the brightness of the light is weakened. Due to the influence of the environment, the lampshade will be aged, which will also reduce the brightness of the headlamp to more than 50%. Lampshade dirty and aging will also make the light fuzzy, making people dizzy, therefore, the lampshade aging should be replaced in time.

搅拌车年检时，会检测车灯光束位置是否正确。正确的光束位置会让视野更清楚，行车更，其实在车灯出现问题时，并不一定非要去服务站进行调整，自己动手也很轻松，而且充满乐趣。

During the annual inspection of mixer truck, the position of lamp beam will be checked. The correct beam position will make the vision clearer and driving safer. In fact, when there is a problem with the lights, you don't have to go to the service station to adjust it. It's very easy and fun to do it yourself.

步，选择昏暗的环境，比如地下停车瞅者夜晚，将搅拌车的车头正对一堵墙停放，车头与墙体尽量对正，相距5、6米左右;

The first step is to choose a dark environment, such as underground parking. At night, park the mixer truck head against a wall. Try to align the front of the truck with the wall, about 5 or 6 meters apart;

第二步，打开车灯，用不透光的厚布遮住一个车灯，单独调节每一个大灯。为了保证搅拌车的

Second, turn on the lights, cover one lamp with a thick opaque cloth, and adjust each headlamp individually. In order to ensure that the mixer

第三步，将搅拌车的车灯在墙面的光照范围用记号笔或粉笔做一个标记，同时在车标位置对应的墙面处也做一个标记。

The third step is to mark the lamp of the mixer truck with a marker or chalk at the center of the illumination range of the wall, and at the same time make a mark on the wall corresponding to the vehicle logo position.

分别测量两侧搅拌车的车灯记号与位置的距离，两个距离应该相等。如果发生向外或者向内偏的现象，则应该看一下搅拌车使用说明书，用螺丝刀进行细微调节，使得两个车灯的位置左右对称;

Measure the distance between the lamp mark and the center of the mixer on both sides, and the two distances should be equal. In case of outward or inward deflection, you should read the instruction manual of the mixer truck and use a screwdriver to make the position of the two lights symmetrical;

第四步，调节光束的高度，右侧搅拌车的车灯应该完全水平直射，左搅拌车的车灯则向上调高10cm左右，但是不要调得太高，以免灯光直射对面来车司机的眼睛。而右侧车灯的照射范围则可以向右偏一些，以提高搅拌车右侧的可见度。

The fourth step is to adjust the height of the light beam. The lights of the right mixer should be completely horizontal and direct, while the lights of the left mixer should be raised by about 10 cm. However, it should not be adjusted too high, so as to avoid direct light on the driver's eyes. On the other hand, the illumination range of the right side lamp can be shifted to the right side to improve the visibility of the right side of the mixer.

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