The places with grease fittings should be greased once a week to ensure normal lubrication. In addition, the joint surface of the supporting roller and the raceway should be buttered once every 3 to 4 days to keep it normal.

2、液压油与减速机油在新车使用100天左右应更换一次。液压系统存油箱应使用68号耐磨液压油，寒冷地区建议使用46号液压油，减速机使用90号重负荷齿轮油。建议使用进口壳牌等质量较好的油品。

2. The hydraulic oil and reducer oil should be replaced once after the new vehicle is used for about 100 days. The storage tank of the hydraulic system should use No. 68 wear-resistant hydraulic oil, No. 46 hydraulic oil is recommended for cold areas, and No. 90 heavy-duty gear oil is recommended for the reducer. It is recommended to use imported Shell and other high-quality oil products.

3、整体泵（指没有减速机油箱的）应使用SAE15W～40发动机油。

3. SAE15W ～ 40 engine oil shall be used for the integral pump (referring to the pump without reducer oil tank).

4、新车使用1～2周，应将副梁和主车大梁的连接螺栓和骑马螺栓复紧，以后每本月紧固一次。

4. After the new car is used for 1-2 weeks, the connecting bolts and riding bolts of the auxiliary beam and the main car girder shall be re-tightened, and then tightened every month.

5、新车使用1～2周，应检查托轮座固定螺栓、油泵法兰、传动轴连接螺栓是否松动，以后每月检查一次。

5. After the new car is used for 1~2 weeks, check whether the fixing bolts of the supporting roller seat, the oil pump flange and the connecting bolts of the transmission shaft are loose, and then check once a month.

6、混凝土搅拌运输车每次收工时要将搅拌筒内外清洗干净，保证搅拌筒内无积块。如果在工地卸料时间超过2～3小时，回场时也要将搅拌筒内外清洗干净。

6. The concrete mixer truck shall clean the inside and outside of the mixing drum at the end of each work to ensure that there are no lumps in the mixing drum. If the unloading time at the construction site exceeds 2~3 hours, the inside and outside of the mixing drum shall also be cleaned when returning to the site.

7、车辆使用一段时间后，应检查进料斗密封皮的完好性。如磨损厉害，须及时更换，否则易造成筒口或进料斗磨损。

7. After the vehicle has been used for a period of time, the integrity of the seal of the feed hopper shall be checked. In case of severe wear, it must be replaced in time, otherwise it is easy to cause wear of the barrel mouth or feed hopper.

8、洗车时应注意高压水流不能对准减速机法兰密封圈处冲洗，以免伤害润滑油脂。（警示：如果对准密封圈处冲洗，将有溅入沙子等杂物的可能，将造成密封圈和机件的损坏，影响车辆正常使用。）

8. When washing the car, it should be noted that the high-pressure water flow cannot be aligned with the sealing ring of the reducer flange to avoid damaging the lubricating grease. (Warning: if the seal ring is flushed, there will be the possibility of splashing sand and other debris, which will cause damage to the seal ring and parts and affect the normal use of the vehicle.)

9、混凝土搅拌运输车每次出车前应检查液压油位置，油位高出2～75px为宜。

9. The hydraulic oil position of the concrete mixer truck shall be checked before each delivery. The oil level should be 2~75px higher.

10、整体泵应每月检查一次液压油系统油位，油位应到该螺栓纹口处。

10. The oil level of the hydraulic oil system of the integral pump should be checked once a month, and the oil level should reach the groove of the bolt.

11、后操纵手柄每次由搅拌变成卸料或由卸料变成搅拌都要在中间位置停顿一下，在搅拌筒停止转动后再执行下一动作。在手柄扳到极限位置时不能继续用力，防止油泵卡死。

11. Each time the rear control handle changes from mixing to discharging or from discharging to mixing, it should stop at the middle position, and then perform the next action after the mixing drum stops rotating. Do not continue to exert force when the handle is pulled to the limit position to prevent the oil pump from being stuck.

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