Concrete Truck Operation Procedures

2012-09-19 09:50:54

Concrete truck operations preparation before: 1. Internal combustion engine parts, according to the general operation of the relevant provisions of the regulations. 2. Auto parts, car according to the relevant provisions of the operating rules. 3. Understand the construction site and construction requirements, to know the mixing transportation concrete grade, water cement ratio, slump. Familiar with the transportation route and transportation distance. 4. Hydraulic pump and hydraulic motor, valve parts which shall be binding, and tubing connection is firm, good seal; Hand turn coupling make each pump rotates, no card resistance and abnormal sound. 5. Check the cleaning system, water tank and the qing water, air pressure adjustment to a certain value. The whole system may not be water and air. 6. Power output shaft fixed bolt and roller frame u-bolt should lock firm.
Concrete truck operation and driving requirements: 1. Feed, mixing truck cylinder should be in 2-10 r/min range rotation. 2. In the transport process, stirring speed should be 2-3 r/min, in turning and rough roads should be low speed running. 3. Concrete after a long time of transport to the construction site, in discharge concrete before, should be required water, and make drum with 10-12 r/min speed mixing about 1 min, and then discharge. 4. The operating lever push to discharge position, drum reversal discharge concrete. 10 cm or more tall slump concrete cylinder speed should be 2-10 r/min, Less than 10 cm of low slump concrete cylinder speed should be 3-6 r/min. 5. Try to avoid transportation speed setting concrete. 6. When mixing transporter transmission system failure, hydraulic oil output interrupt to stop turning drum, temporarily unable to discharge repair, want to use emergency discharge system rapidly discharge concrete.
 



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