1. After the engine of the mixer truck is started, the mixing drum should be run at low speed for about 10 minutes to make the temperature of hydraulic oil rise to above 20 ℃.

2.攪拌車裝料前應將攪拌筒反轉，保證倉斗內的積水和雜物排出，這樣可以確?；炷恋馁|量，保證施工質量。

2. Before the mixer truck is loaded, the mixing drum should be reversed to ensure that the water and debris in the hopper are discharged, so as to ensure the quality of concrete and the construction quality.

3.攪拌車在運輸混凝土時，要保證滑斗放置牢固，防止因松動造成擺動，在行進中打傷行人或影響其它車輛正常運行。在運輸過程中，平坦路面上攪拌筒轉速保證在2-3轉/分，行駛在側傾坡度大于50的路面，或左右晃動較大的路面時，應停止攪拌旋轉，待路況好轉后再恢復攪拌旋轉。

3. When the mixer truck is transporting concrete, it is necessary to ensure that the sliding bucket is placed firmly, so as to prevent swinging due to looseness, which may injure pedestrians or affect the normal operation of other vehicles. During the transportation, the rotation speed of the mixing drum on the flat road surface shall be kept at 2-3 rpm. When driving on the road with a roll slope greater than 50, or on the road with large left-right shaking, the mixing rotation shall be stopped and the mixing rotation shall be resumed after the road conditions are improved.

4.混凝土攪拌車運送混凝土的時間不能超過攪拌站規定的時間。運送混凝土途中，攪拌筒不得長時間停轉，以防混凝土產生離析現象。司機應時常觀察混凝土情況，發現異常及時通報調度室，申請做出處理。

4. The time of concrete mixer truck transporting concrete shall not exceed the time specified by mixing station. During the transportation of concrete, the mixing drum shall not stop for a long time to prevent the concrete from segregation. The driver shall observe the concrete condition from time to time, report to the control room in case of any abnormality, and apply for handling.

5. 攪拌罐車裝有混凝土時，在現場停滯時間不得超過1小時，如超時應立即要求現場負責人給予及時處理。

5. When the mixing tank truck is loaded with concrete, the stagnation time on the site shall not exceed 1 hour. If it exceeds the time limit, the person in charge of the site shall be required to deal with it in time.

6. 攪拌車運送混凝土塌落度不得低于8cm。從混凝土入罐到排出，氣溫高時不得超過2小時必須排出，陰雨天氣溫度低時，不得超過2.5小時。

6. The slump of concrete transported by mixer truck shall not be less than 8cm. From the concrete entering into the tank to discharging, it shall not exceed 2 hours when the temperature is high, and it shall not exceed 2.5 hours when the temperature is low in rainy days.

7. 攪拌車在排出混凝土之前，應使攪拌筒在10-12轉/分的轉速下轉動1分鐘，再進行排料。

7. Before discharging concrete, the mixer truck should rotate the mixing drum at the speed of 10-12 rpm for 1 minute before discharging.

8. 混凝土攪拌車出料完畢，應立即用隨車的軟管放水將進料口、出料斗及出料溜槽等部位沖洗干凈，排去粘結在車身各處的污物及殘留混凝土，再向攪拌筒內注水150-200L的清水，在返回途中要讓攪拌筒慢速轉動，以清洗內壁，避免殘余料渣附在筒壁和攪拌葉上，并在再一次裝料前將這些水放掉。

Eight After discharging, the concrete mixer truck shall immediately flush the inlet, discharge hopper and discharge chute with hose attached to the truck to drain the dirt and residual concrete adhered to the vehicle body, and then inject 150-200l of clear water into the mixing drum. On the way back, the mixing drum shall rotate slowly to clean the inner wall, so as to avoid the residual slag attached to the cylinder wall and mixing blades Drain the water before loading again.

9. 混凝土攪拌車運送混凝土時，發動機轉速在1000-1400轉/分范圍內工作，以使發動機有最大扭距，在運送混凝土過程中，車速不得超過40km/h，以保行車安全。

9. When the concrete mixer truck is transporting concrete, the engine speed shall be within the range of 1000-1400 rpm, so as to ensure the maximum torque of the engine. In the process of transporting concrete, the speed shall not exceed 40km / h to ensure the driving safety.

10. 水泥攪拌車工作完畢，應把攪拌筒內部和車身清洗干凈，不能使剩余的混凝土留在筒內。

10. After the cement mixer truck is finished, the inside and body of the mixing drum shall be cleaned, and the remaining concrete shall not be left in the drum.

11. 水泥攪拌車在水泵工作時，禁止空轉，連續使用時不要超過15分鐘。

11. When the water pump of cement mixer truck is working, it is forbidden to idle, and it should not be used for more than 15 minutes continuously.

12. 混凝土攪拌車水箱的水量要經常保持裝滿，以備急用，冬季停機后，應將水箱、水泵、水管、攪拌筒內的水放凈，并停放在朝陽、不積水的地方，以免凍壞機械。

12. The water volume of the water tank of the concrete mixer truck should always be kept full for emergency use. After shutdown in winter, the water in the water tank, water pump, water pipe and mixing drum should be drained completely, and the water should be stored in a place where there is no water in the morning sun, so as to avoid freezing damage to the machinery.

13. 攪拌車在冬季應及時安裝保溫套，并使用防凍液對攪拌車加以保護，根據天氣變化更換燃油標號，確保機械的正常使用。

13. In winter, the mixer truck should be installed with insulation sleeve in time, and antifreeze should be used to protect the mixer. The fuel label should be changed according to the weather change to ensure the normal use of the machinery.

14. 在檢查、修理水泥攪拌車液壓傳動部分時，應使發動機和液壓泵在沒有壓力的情況下進行。

14. When checking and repairing the hydraulic transmission part of cement mixer truck, the engine and hydraulic pump should be carried out without pressure.

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