1. The problem of the wiper itself causes the abnormal sound of the wiper. The wiper blade is a rubber product, which will age or harden when it is used for a long time, especially in winter. If it is not clean at this time, replace the wiper blade. Generally, replace the wiper once or twice a year.

2. 雨刮器和挡风剥离力之间夹杂异物也会导致异响产生，当自拌混凝土搅拌车的雨刮器打开时，有尖锐的摩擦声出现，可能是雨刮器下有异物，赶紧下车清理一下。

2. The inclusion of foreign matters between the wiper and the wind stripping force will also cause abnormal noise. When the wiper of the self mixing concrete mixer is opened, there is a sharp friction sound, which may be that there is foreign matter under the wiper. Get off the vehicle and clean it immediately.

3. 雨刮器连杆衬套摩擦也会发出异响，搅拌车随着使用年限的增加，其雨刮器连杆机构就会出现老化，雨刮臂弹簧的弹性就会下降，衬套也会随之磨损，甚脱落，此时需要检查雨刮臂或雨刮连杆衬套。

3. The friction of the wiper connecting rod bushing will also make abnormal noise. With the increase of the service life of the mixer, the wiper connecting rod mechanism will age, the elasticity of the wiper arm spring will decline, and the bushing will wear and even fall off. At this time, it is necessary to check the wiper arm or wiper connecting rod bushing.

4. 雨刮器的电机也会发出异响，如果雨刮器电机自身发出异响，很有可能是电机的使用年限已到，去的维修站检查一下，以免影响司机的驾驶视线。

4. The motor of the wiper will also make abnormal noise. If the motor of the wiper makes abnormal noise, it is likely that the service life of the motor has expired. Go to a professional maintenance station to check, so as not to affect the driver's driving vision.

自拌混凝土搅拌车雨刮器的使用需要注意一下几点：

The following points shall be paid attention to when using the wiper of the self mixing concrete mixer:

1. 定期检查雨刮片，如果雨刮器有脏污或者是严重的磨损，就要及时的清洗或者更换，否则就会影响其使用效果，可使用沾有酒精清洗剂的棉纱轻轻擦去雨刮片上的污物，但是记得不能使用汽油进行清洗，否则雨刮片可能会变形，影响其性能。

1. Check the wiper blades regularly. If the wipers are dirty or seriously worn, they should be cleaned or replaced in time, otherwise their use effect will be affected. Use cotton yarn stained with alcohol cleaner to gently wipe off the dirt on the wiper blades, but remember not to use gasoline for cleaning, otherwise the wiper blades may deform and affect their performance.

2. 在检查自拌混凝土搅拌车雨刮器工作情况时，应先用水湿润一下挡风玻璃，否则会刮伤玻璃，同时由于刮片摩擦阻力大，可能损伤刮片或烧坏电动机，打开雨刮器后应注意电机有无异响，如果电机有“嗡嗡”声，但是不转动，就说明其机械的传动部分已经锈蚀或者卡住，此时必须立即关闭雨刮器开关，以防烧毁电机。

Two When checking the working condition of the wiper of the self mixing concrete mixer, the windshield shall be moistened with water first, otherwise it will scratch the glass. At the same time, due to the large friction resistance of the wiper blade, it may damage the wiper blade or burn the motor. After opening the wiper, pay attention to whether there is any abnormal noise of the motor. If the electric machine has a "buzzing" sound, but does not rotate, it means that the transmission part of the machine has been rusted or If it is stuck, the wiper switch must be turned off immediately to prevent the motor from burning.

3. 使用中关闭雨刮器开关后，雨刮片应回到挡风玻璃下侧后停止，如果停止的位置不对，就要调整一下，调整时可转动自动停止器的盖，顺时针转动停止位置缩短，逆时针转动则停止位置延长。

3. After the wiper switch is closed in use, the wiper blade shall return to the lower side of the windshield and stop. If the stop position is not right, adjust it. When adjusting, turn the cover of the automatic stop, turn the stop position clockwise to shorten, and turn it counterclockwise to extend the stop position.

4. 在冬季，如果雨刮片被冻住或者被雪卡住，一定要冰块或雪后才能使用雨刮器，否则就会损坏雨刮器或烧坏电机。这些搅拌车雨刮器的知识同时适用于其它专用车

4. In winter, if the wiper blade is frozen or stuck by snow, it is necessary to clear the ice or snow before using the wiper, otherwise it will damage the wiper or burn the motor. The knowledge of the mixer wiper is also applicable to other special vehicles

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