Operating procedures for mixer drivers?

The driver of the mixer truck must follow the following procedures during the work: 1. Loading 1. Before loading, the driver must "look at the third row", that is, check whether the fuel is sufficient, whether the instruments are normal, whether the machinery is normal, and eliminate the water in the mixing barrel. 2. Load the vehicle at the designated place according to the production scheduling instructions, and put the operating lever at the loading position when loading. Only after the bell of the mixing station rings can the car leave. At the same time, put the operating lever in the mixing position, lock the operating handle in the cab, and lock and fix the discharge chute in the correct position. The concrete can only be transported to the construction site after it is inspected by the company's laboratory inspector and stamped with the "Inspection" stamp on the invoice. Second, the delivery is 1. During transportation, the mixing tank should be operated at a low speed of 3-6 rpm. 2. When driving under normal mixing, the maximum speed shall not exceed 50km/h, and the turning speed shall not be greater than 15km/h, otherwise there is a danger of rollover. Empty car speed shall not exceed 60 km/h. When the slump loss is too large, an appropriate amount of water can be added under the condition of meeting the requirements of concrete design mixture ratio, but this work must be completed by the laboratory technician. In addition, it is forbidden to add water to the mixing tank. 3. After the concrete is delivered to the site, the on-site dispatcher or the person in charge of the site will arrange for the concrete to be delivered in turn. When the concrete mixer feeds the concrete pump, it shall meet the following requirements: 1. Before feeding, rotate the mixing drum at medium and high speed for 20-30 seconds to mix the concrete evenly. 2. When feeding, reverse feeding should be carried out evenly with pumping, and the concrete should be kept above the height marking line in the hopper. 3. When the feeding operation is interrupted, the mixing drum should be used to mix the concrete at low speed. Materials should be fully utilized to avoid waste. After feeding, if the mixing tank is not filled or the interval is more than 4 hours, it should be cleaned in time to drain the accumulated water. 5. The above operations should be completed by the driver of the vehicle, and non-driver operations are strictly prohibited. 6. After the materials are loaded, return them with the delivery invoice signed by the person in charge at the site. 7. After returning to the station, submit the invoice to the Operation Department for preservation in time. Four. Safety requirements 1. When loading, it is forbidden to reverse the stirring tank. 2. After loading, check whether there is residual material in the chute. 3. Pay attention to safety when driving. 4. Clean the chute and tires after loading, and don't bring sundries to the road. V. Vehicle Maintenance Drivers should maintain the mechanical parts of concrete vehicles in time to maintain normal operation. The nozzle of the idler is filled with high-pressure grease once a week, and a little grease containing graphite or molybdenum sulfide is added to the idler track in each shift. Lubricate the oil pump drive shaft once a week.

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