Pay attention to the inspection before the operation of the integrated mixer, and the key inspection items before the operation shall meet the following requirements: the rise and fall range of the power supply voltage shall not exceed 5% of the rated value; The wiring of electrical components of the motor shall be firm, and the protective neutral connection or grounding resistance shall comply with the regulations; All transmission mechanisms, working devices, brakes, etc. are fastened and reliable, and open gears, pulleys, etc. are provided with protective covers; The oil quality and quantity of the gearbox meet the requirements.

作業(yè)前，應先啟動混凝土攪拌機空載運轉。應確認攪拌筒或葉片旋轉方向與筒體上箭頭所示方向一致。對反轉出料的攪拌機，應使攪拌筒正、反轉運轉數分鐘，并應無沖擊抖動現象和異常噪音。

Before operation, the concrete mixer shall be started for no-load operation. It shall be confirmed that the rotation direction of the mixing drum or blade is consistent with the direction indicated by the arrow on the drum. For the mixer with reverse discharge, the mixing drum shall be transferred forward and backward for several minutes, and there shall be no impact shaking and abnormal noise.

然后進行料斗提升試驗，應觀察并確認離合器、制動器靈活可靠；然后檢查并校正供水系統(tǒng)的指示水量與實際水量的一致性；當誤差超過2%時，應檢查管路的漏水點，或應較正截流閥；應檢查骨料規(guī)格并應與攪拌機性能相符，超出許可范圍的不得使用。

Then conduct the hopper lifting test, and observe and confirm that the clutch and brake are flexible and reliable; Then check and correct the consistency between the indicated water volume and the actual water volume of the water supply system; When the error exceeds 2%, the water leakage point of the pipeline shall be checked, or the shut-off valve shall be more positive; The aggregate specification shall be checked and shall be consistent with the performance of the mixer. Those exceeding the allowable range shall not be used.