For the friends who drive the mixer truck, they must want to have long-term benefits. The longer the concrete mixer truck can work, the higher the value it can create. Therefore, maintenance is also very important in the whole project operation of small concrete mixer truck. Only by doing a good job of basic maintenance can our work be carried out normally.

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将一张#600的砂纸置于ATF油中，浸泡约30分钟。小心地敲击阀体，使卡滞的阀杆从阀腔孔中落下。可能有必要使用一把小螺丝刀，将其撬出。

First place a piece #600 of sandpaper in ATF oil and soak it for about 30 minutes. Carefully tap the valve body to make the stuck valve stem fall from the valve cavity hole. It may be necessary to lever it out using a small screwdriver.

使用螺丝刀时，小心不要划伤阀孔。单向阀杆是否有摩擦痕迹。使用ATF油浸泡过的#600砂纸，打磨阀杆上的毛刺，然后在溶剂中清洗阀杆并用压缩空气吹干。
 

When using a screwdriver, be careful not to scratch the valve hole. Check whether the one-way valve stem has friction marks. Use the #600 sandpaper soaked in ATF oil to polish the burrs on the valve stem, then clean the valve stem in solvent and blow dry with compressed air.

卷起半张ATF油浸泡过的#600砂纸，将其插入卡滞阀杆的阀孔中。轻轻扭动砂纸，使砂纸松卷，紧密贴合在阀孔表面，然后边推拉，边扭卷砂纸，打磨阀孔。抽出#600砂纸。

Roll up half a piece of #600 sandpaper soaked in ATF oil and insert it into the valve hole of the stuck valve stem. Gently twist the sandpaper to make it loose and tightly fit on the surface of the valve hole, and then twist the sandpaper while pushing and pulling to polish the valve hole. Draw out #600 sandpaper.

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在溶剂中彻底清洗整个阀体，然后用压缩空气吹干。在阀杆表面涂ATF油，然后将其落入阀孔中。阀杆应能靠自重落入阀孔底部。否则，重复步骤4，重新测试。如果阀杆仍然卡滞，则更换阀体。

Thoroughly clean the whole valve body in solvent and blow dry with compressed air. Coat the surface of the valve stem with ATF oil and drop it into the valve bore. The valve stem shall fall into the bottom of the valve hole by its own weight. Otherwise, repeat step 4 and retest. If the valve stem is still stuck, replace the valve body.

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取出小型混凝土搅拌车阀杆，用溶剂彻底清理阀杆和阀体。用压缩空气吹干所有零件，然后用ATF油作为润滑剂，重新组装。

Take out the valve rod of small concrete mixer truck and thoroughly clean the valve rod and valve body with solvent. Dry all parts with compressed air and reassemble with ATF oil as lubricant.

了解了以上的检修知识，大家可以放心对我们的设备进行检修，大家在选择这些产品的时候我们会有的人士为大家解答，建议大收工时，要彻底清洗混凝土贮罐及进出料口周围，保证不粘有水泥及混凝土结块。

After knowing the above maintenance knowledge, you can rest assured to overhaul our equipment. When you choose these products, we will have professionals to answer for you. It is suggested that the concrete storage tank and the area around the inlet and outlet should be thoroughly cleaned at the end of work to ensure that there is no cement and concrete caking.