1. The pressure of the hydraulic system shall meet the requirements of the operation manual and shall not be adjusted at will. The quality and quantity of hydraulic oil should meet the original requirements.

2、水泥自动搅拌车装料前，应先排净拌筒内残存的积水和杂物。在运输过程中要不停的转动，以防混凝土离析。混凝土搅拌运输车到达工地和卸料之前，应先使拌筒全速以14—18转/分转动1—2分钟，然后再进行反转卸料。反转之前，应使搅拌筒停稳不转。

2. Before loading the concrete mixer, the residual water and debris in the mixing drum should be drained. Keep turning during transportation to prevent concrete segregation. Before arriving at the construction site and discharging, the concrete mixer truck should first rotate the mixing drum at a full speed of 14-18 rpm for 1-2 minutes, and then reverse discharging. Before reversing, the mixing drum should be stopped.

3、环境温度高于+25摄氏度，从装料、运输、到卸料延续时间不得超过60分钟，环境温度低于+25摄氏度，上述时间不得超过90分钟。

3. When the ambient temperature is higher than + 25 ℃, the time from loading, transportation to unloading shall not exceed 60 minutes; when the ambient temperature is lower than + 25 ℃, the above time shall not exceed 90 minutes.

4、冬期施工时，应切实做到：开机前检查是否结冰；下班时认真排除拌筒内及供水系统内残存积水，关闭水泵开关，将控制手柄置于“停止”位置。

4. During winter construction, it is necessary to check whether there is ice before starting up, carefully remove the residual water in the mixing drum and water supply system when off duty, turn off the water pump switch and put the control handle in the "stop" position.

5、在施工现场卸料完毕后，应立即用搅拌车随带的软管冲洗进料斗、出料斗、卸料溜槽等处，粘附在车身各处的污泥及混凝土。在返回搅拌站的途中，应向搅拌筒内注150---200L水以清洗筒壁及叶片粘结的混凝土残渣。

5. 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.

6、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。

6. 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.

7、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（不得使用纯氧）。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。

7. When removing the dirt and residual concrete slag inside and outside the mixing drum, and when the maintenance personnel enter the drum for maintenance and welding repair, it is necessary to turn off the automobile engine to stop the mixing drum completely. 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 (pure oxygen is not allowed). When using electric tools in the cylinder, operators must have good insulation protection.

8、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，以免发生事故。

8. When working, do not put your hand into the rotating mixing drum, and do not put your hand into the connecting part of the main discharge chute and the extended discharge chute, so as to avoid accidents.

9、应定期检查搅拌叶片磨损情况并及时进行修补和换新。

9. The abrasion of mixing blades should be checked regularly and repaired and renewed in time.

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