1. After unloading at the construction site, the inlet hopper, discharge hopper and discharge chute should be flushed with the hose attached to the mixer to remove the sludge and concrete adhering to the vehicle body. On the way back to the mixing station, 150-200l water should be injected into the mixing drum to clean the concrete residue bonded by the cylinder wall and blades.

2、每天工作结束后，司机应负责向搅拌筒内注入清水并高速(14—18转/分)旋转5—10分钟，然后将水排去，以保证筒内清洁。用高压水清洗搅拌筒各个部分时，应注意避开仪表及操纵杆等部位。压力水喷嘴与车身油漆表面间的距离不得小于40厘米。

2. At the end of each day's work, the driver should inject fresh water into the mixing drum and rotate it at high speed (14-18 RPM) for 5-10 minutes, and then drain the water to ensure the cleanness of the drum. When cleaning each part of the mixing drum with high pressure water, pay attention to avoid the instrument and control rod. The distance between the pressure water nozzle and the paint surface of the vehicle body shall not be less than 40 cm.

3、搅拌筒内外积污及残存的混凝土渣块时，以及在机修人员进入筒内进行检修和焊补作业时，需先关闭汽车发动机，使搅拌筒完全停止转动。在机修人员进入筒内工作期间，必须保证拌筒内通风良好，空气新鲜，无可然气体及有害灰尘，氧气供应充足。在筒内使用电动工具操作时，操作人员必须有良好的绝缘保护。

3. When removing the dirt inside and outside the mixing drum and the remaining concrete slag, and when the machine maintenance personnel enter the cylinder for maintenance and welding repair, it is necessary to turn off the automobile engine to stop the mixing drum completely. During the period when the machine maintenance personnel enter the cylinder, they must ensure that the mixing drum is well ventilated, the air is fresh, there is no natural gas and harmful dust, and the oxygen supply is sufficient. When using electric tools in the cylinder, the operator must have good insulation protection.

4、工作时，不得将手伸入旋转的搅拌筒内，严禁将手伸入主卸料溜槽和加长卸料溜槽的连接部位搅拌

4. When working, do not put your hand into the rotating mixing drum, do not put your hand into the connection of the main discharge chute and the extended discharge chute for mixing