1.起動攪拌車之前，應把攪拌筒操作手柄放在“停止”位置。
1. Before starting the mixer truck, put the mixing drum operation handle at 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, make the mixing drum rotate at low speed for about 10 minutes, and make the hydraulic oil temperature rise to above 20 ℃ before working.
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 should be reversed before loading to discharge water and debris, 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 the mixer truck is transporting concrete, it is necessary to ensure that the sliding bucket is placed firmly, so as to prevent swing caused by looseness, which may injure pedestrians or affect 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 speed of the mixing drum is 2-10 rpm. In the process of transportation, the rotation speed of the mixing drum should be kept at 2-3 rpm on the flat road surface. 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 can be resumed after the road conditions are improved.
6 . 水泥自動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。
6. The time of concrete mixer truck transporting concrete shall not exceed the time specified by mixing station. Concrete mixing drum shall not be stopped for a long time during transportation. 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.
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 filled with concrete, the stagnation time on the site shall not exceed 1 hour. If the truck 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。
The slump of concrete delivery truck shall not be less than 8 cm. 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.
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 concrete, the mixer truck should rotate the mixing drum at the speed of 10-12 rpm for 1 minute before discharging.
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