1、 Before operation, check whether the rotation of the mixer is good, the safety device and protection device should be firm and reliable, and the operation is flexible.

二、混凝土搅拌机启动后先经空机运转，检查搅拌叶选装方向是否正确，先加水后加料进行搅拌操作。

2、 After the concrete mixer is started, it will run through the empty machine, check whether the direction of mixing blade is correct, add water first and then add material for mixing operation.

三、搅拌机运转中不得用手或木棒等伸进搅拌机罐内或在搅拌罐口清理灰、浆。

3、 During the operation of the mixer, it is not allowed to put hands or sticks into the mixer tank or clean the ash and slurry at the mixing tank mouth.

四、操作中，应观察机械运转情况，当有异常或轴承温升过高等现象时，应停机检查；操作中如发生故障不能运转需检修时，应先切断电源，将搅拌罐内灰、浆倒出，进行检修，排除故障。不得用工具撬动等危险方法，强行机械运转。

4、 During operation, observe the operation of the machine. In case of abnormal or high bearing temperature rise, the machine shall be shut down for inspection; in case of failure during operation and maintenance is required, the power supply shall be cut off first, and the ash and slurry in the mixing tank shall be poured out for maintenance and troubleshooting. Do not use tools to pry and other dangerous methods to force mechanical operation.

五、搅拌机的搅拌叶片与搅拌料罐低及侧壁的间隙，应经常检查并确认符合规定，当间隙超过标准时，应及时调整。当搅拌叶片磨损超过标准时，应及时修补或更换。

5、 The clearance between the mixing blade of the mixer, the lower part of the mixing tank and the side wall shall be checked and confirmed to meet the requirements. When the clearance exceeds the standard, it shall be adjusted in time. When the mixing blade wear exceeds the standard, it should be repaired or replaced in time.

六、作业完毕，做好混凝土搅拌机内外的清洗和搅拌机周围清理工作，切断电源，搅拌机开关打闭锁，挂停电牌；检修搅拌机时，开关挂“正在检修，禁止送电”牌，并派专人监视。

6、 After the operation, clean the inside and outside of the concrete mixer and clean up the surrounding area of the mixer. Cut off the power supply, lock the mixer switch and hang the power-off sign. When repairing the mixer, the switch should be hung with the sign of "under maintenance, no power transmission", and special personnel should be assigned to monitor it.

七、搅拌机的停放位置应选择平整坚实的场地，搅拌机安装平稳牢固。

7、 The parking position of the mixer shall be flat and solid, and the mixer shall be installed stably and firmly.

八、搅拌机操作中边加料边加水，不能加入料后再启动，投料不准超过额定容量。加料时，工具不能碰撞搅拌机，更不能在运转中把工具伸进搅拌机内扒料。

8、 During the operation of the mixer, water should be added at the same time. It is not allowed to start the mixer after adding material. The feeding should not exceed the rated capacity. When feeding, the tools shall not collide with the mixer, and the tools shall not be extended into the mixer to pick up materials during operation.

九、搅拌机的料斗内不能进入杂物，杂物时必须停机进行。

9、 The hopper of the mixer can't be filled with sundries, and the machine must be shut down to remove the impurities.

十、工作完毕要将搅拌机清洗干净，转动部分注润滑油，清理时不得使电机及电器受潮。

10、 After work, the mixer shall be cleaned, and the rotating part shall be filled with lubricating oil, and the motor and electrical appliances shall not be affected by moisture during cleaning.