1. After unloading at the construction site, the feeding hopper, discharging hopper, discharging chute, etc. shall be washed immediately with the hose attached to the loading mixer to remove the sludge and concrete adhered to the body. On the way back to the mixing plant, 150-200l water should be injected into the mixing drum to clean the concrete residue bonded on the wall and blades of the drum.

2、每天工作結束后，司機應負責向攪拌筒內注入清水并高速（14—18轉/分）旋轉5—10分鐘，然后將水排去，以保障筒內清潔。用高壓水清洗攪拌筒各個部分時，應注意避開儀表及操縱桿等部位。壓力水噴嘴與車身油漆表面間的距離不得小于40厘米。

2. At the end of each day's work, the driver shall be responsible for injecting clean water into the mixing drum and rotating at high speed (14-18 RPM) for 5-10 minutes, and then draining the water to ensure the cleanness of the drum. When using high-pressure water to clean each part of the mixing drum, attention should be paid to avoid the instrument and control rod. The distance between the pressure water nozzle and the body paint surface shall not be less than 40 cm.

3、清除攪拌筒內外積污及殘存的混凝土渣塊時，以及在機修人員進入筒內進行檢修和焊補作業(yè)時，需先關閉自上料攪拌車發(fā)動機，使攪拌筒完全停止轉動。在機修人員進入筒內工作期間，應該保障拌筒內通風良好，空氣新鮮，無可然氣體及有害灰塵，氧氣供應充足。在筒內使用電動工具操作時，操作人員應該有良好的絕緣保護。

3. When removing the dirt and residual concrete slag inside and outside the mixing drum, and when the maintenance personnel enter the drum for repair and welding, the engine of the self feeding mixing truck should be shut down to stop the mixing drum completely. During the working period, the maintenance personnel should ensure that the mixing cylinder 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, operators should have good insulation protection.

4、工作時，不得將手伸入旋轉的攪拌筒內，嚴禁將手伸入主卸料溜槽和加長卸料溜槽的連接部位自動，工作人員如何規(guī)范操作自上料攪拌車以免發(fā)生事故。

4. When working, it is not allowed to put your hand into the rotating mixing drum. It is strictly forbidden to put your hand into the connecting part of the main discharge chute and the extended discharge chute. How to standardize the operation of the self loading mixer truck to avoid accidents.