1. before starting the concrete mixing tank truck, the mixing cylinder operating handle shall be placed in the "stop" position.
2. after starting the engine of the concrete mixing tank truck, the mixing drum shall be turned for about 10 minutes at low speed, and the hydraulic oil temperature can be raised to above 20 ℃ before it can work.
3. when the concrete mixing tank truck is parked in the open air, the mixing drum shall be reversed before loading to discharge the accumulated water and debris to ensure the quality of the concrete.
4 . 自上料混凝土攪拌罐車在運輸混凝土時，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 self feeding concrete mixing tank truck shall ensure that the sliding bucket is firmly placed to prevent swinging due to looseness, injure pedestrians or affect the normal operation of other vehicles during the process of transportation.
5 . 自上料混凝土攪拌罐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 loading the concrete mixer truck to transport the mixed concrete, the speed of the mixing drum is 2-10 rpm. During the transportation, the speed of the mixing drum on the flat road surface shall be guaranteed to be 2-3 rpm, and the mixing rotation shall be stopped when the road surface with a slope of more than 50 or the left and right shaking is large, the mixing rotation shall be stopped and the mixing rotation shall be resumed after the road conditions are improved.
6 . 混凝土自上料混凝土攪拌罐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 for concrete delivery from the concrete mixing tank truck shall not exceed the time specified in the mixing station. During the transportation of concrete, the mixing drum shall not stop rotating for a long time to prevent segregation of concrete. The driver shall observe the concrete situation from time to time, and report the abnormality to the dispatching room in time and apply for handling.
7 . 自上料混凝土攪拌罐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 concrete is installed in the truck, the time of stagnation on site shall not exceed 1 hour. If the time is out, the person in charge of the site shall be asked to deal with it in time.
8 . 自上料混凝土攪拌罐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 the concrete mixing tank truck from the feeding shall not be less than 8cm. From the concrete into the tank to discharge, the air temperature shall not exceed 2 hours, and it shall not exceed 2.5 hours in rainy weather when the temperature is low.
9 . 自上料混凝土攪拌罐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 mixing drum shall be turned for 1 minute at 10-12 RPM before discharging the concrete before discharging.
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