1. Before starting the mixer, put the operating handle of the mixer in the "stop" position.

2.攪拌車起動發動機后，應使攪拌筒在低速下轉動10分鐘左右，使液壓油溫升到20℃以上后方可工作。

2. After the mixer starts the engine, the mixing drum should be rotated at a low speed for about 10 minutes to make the hydraulic oil temperature rise to more than 20 ℃.

3.攪拌車在露天停放時，裝料前應將攪拌筒反轉，將積水和雜物排出，以保證混凝土的質量。

3. When the mixer truck is parked in the open air, the mixing drum shall be reversed before loading to discharge the accumulated water and sundries, so as to ensure the quality of concrete.

4.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。

4. When transporting concrete, the mixer truck should ensure that the sliding bucket is firmly placed to prevent swinging due to loosening, hurting pedestrians or affecting the normal operation of other vehicles.

5.攪拌車裝運攪拌好的混凝土時，攪拌筒轉速為2-10轉/分，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。

5. When the mixer truck transports the mixed concrete, the rotation speed of the mixing drum is 2-10 rpm. During transportation, the rotation speed of the mixing drum should be 2-3 rpm on the flat road. When driving on the road with a roll slope greater than 50 or the road with large left and right shaking, the mixing rotation should be stopped, and the mixing rotation should be resumed after the road condition improves.

6.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。

6. The delivery time of concrete by concrete mixer truck shall not exceed the specified time of mixing station. During the transportation of concrete, the mixing drum shall not stop for a long time to prevent concrete segregation.

7.攪拌車車內裝有混凝土時，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。

7. When the mixer truck is equipped with concrete, the dead time at 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.

8.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。

8. The slump of concrete transported by mixer truck shall not be less than 8cm. From the time of concrete entering the tank to discharging, it must be discharged within 2 hours when the temperature is high, and within 2.5 hours when the temperature is low in rainy weather.

9.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。

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

10.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。

10. After the concrete mixer is discharged, immediately flush the inlet, outlet hopper and discharge chute with the hose attached to the truck, remove the dirt and residual concrete bonded to the truck body, and then inject 150-200l clean water into the mixing drum. On the way back, let the mixing drum rotate slowly to clean the inner wall, so as to avoid the residual slag adhering to the wall and mixing blade, And discharge the water before loading again.

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