1. During winter construction, it shall be ensured that: check whether it is frozen before startup; When off duty, carefully remove the residual water in the mixing drum and the water supply system, turn off the water pump switch and put the control handle in the "stop" position.

2、混凝土搅拌车卸料时，如发现水分蒸发，塌落度偏低不能满足用户要求时，可适当向筒内加水，然后以10-14r/min的速度旋转30转后卸料，使混凝士充分搅拌。

2. When unloading the concrete mixer truck, if it is found that the water evaporates and the slump is low, which can not meet the user's requirements, it can add water to the cylinder appropriately, and then rotate at the speed of 10-14r / min for 30 revolutions before unloading, so as to fully mix the concrete.

3、混凝土搅拌车在空载运行过程中，搅拌筒不得停转以免颠时造成滚道和托轮局部磕碰，导致托轮和滚道的异常损坏。

3. During the no-load operation of the concrete mixer, the mixing drum shall not stop, so as to avoid local collision between the raceway and the supporting wheel during bumping, resulting in abnormal damage to the supporting wheel and the raceway.

4、水箱的水量要经常加满，以备急用。水箱加水前，必须打开放气阀把箱内空气放掉;冲洗时打开气阀，冲洗完毕或者停用时应将水罐内气体放掉。冬季停放时，水箱和供水系统里，不得有剩余水，防止冻裂，水箱         仅在供水时加压自动，如何操作混凝土自动上料搅拌车不要带着加压水箱在公路上行驶。 由于混凝土会在短时间内凝固成硬块，且对钢材和油漆有一定的腐蚀性，所以每次使用混凝土贮罐后，洗净粘附在混凝土贮罐及进出料口上的混凝土是每日维护必须认真进行的工作。其中包括：

4. The water volume of the water tank shall be filled frequently for emergency use. Before adding water to the water tank, the vent valve must be opened to release the air in the tank; when flushing, the air valve shall be opened, and the gas in the water tank shall be released after flushing or shutdown. When parking in winter, there shall be no residual water in the water tank and water supply system to prevent frost cracking. The water tank is pressurized automatically only during water supply. How to safely operate the concrete The automatic loading mixer shall not drive on the road with pressurized water tank. Since the concrete will solidify into hard blocks in a short time and have certain corrosivity to steel and paint, cleaning the concrete adhered to the concrete storage tank and the inlet and outlet after each use of the concrete storage tank is a daily maintenance work that must be carried out carefully. It includes:

1．每次装料前用水冲洗进料口，使进料口在装料时保持湿润；

1. Wash the feed port with water before each loading to keep the feed port wet during loading;

2．在装料的同时向随车自带的清洗用水水箱中注满水；

2. Fill the cleaning water tank with water while loading;

3．装料后冲洗进料口，洗净进料口附近残留的混凝土；

3. After loading, wash the inlet and clean the residual concrete near the inlet;

4．到工地卸料后，冲洗出料槽，然后向混凝土贮罐内加清洗用水30—40 L；在车辆回程时保持混凝土贮罐正向慢速转动；

4. After unloading at the construction site, wash the discharge tank, and then add 30-40 l of cleaning water to the concrete storage tank; keep the concrete storage tank rotating forward and slowly when the vehicle returns;

5．下次装料前切记放掉混凝土贮罐内的污水；

5. Remember to discharge the sewage in the concrete storage tank before the next loading;

6．每天收工时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。

6. Thoroughly clean the concrete storage tank and around the inlet and outlet at the end of each day to ensure that there is no cement and concrete caking.