When removing the dirt and residual concrete slag inside and outside the mixing drum from feeding, and when the maintenance personnel enter the drum for maintenance and welding repair, it is necessary to turn off the engine of the truck to stop the rotation of the mixing drum completely

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，以保證筒內清潔。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四十厘米。

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 discharging 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.

在施工現(xiàn)場卸料完畢后，應立即用攪拌車隨帶的軟管沖洗進料斗、出料斗、卸料溜槽等處，粘附在車身各處的污泥及混凝土。在返回攪拌站的途中，應向攪拌筒內注150---200L水以清洗筒壁及葉片粘結的混凝土殘渣。

After unloading at the construction site, the feeding hopper, discharging hopper, discharging chute, etc. shall be washed immediately with the hose attached to the mixer truck to remove the sludge and concrete adhered to the vehicle 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.

在機修人員進入筒內工作期間，必須保證拌筒內通風良好，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，操作人員必須有良好的絕緣保護。

During the working period, the maintenance personnel must 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 must have good insulation protection.