Small concrete pump is between the fine-grained pump, mortar pump and large concrete pump between a small town on the construction of about 10 or 3,4-story rural housing construction has a strong practical. First of all, the small concrete pump saves a lot of labor costs and shortens the construction period for the construction of these projects. Traditional construction tasks are burdensome, transporting concrete to the floor by hand is a daunting task and time-consuming. Briefing on the safe operation of small concrete pump 1, small concrete pump truck is powered by motor or diesel engine, it should comply with the "safe operating procedures of the motor" or "diesel safety operating procedures," the relevant part. 2, the pipeline should be firmly supported, the joints should be firmly connected, not in the pipeline pressure or hanging heavy objects. 3, check the electrical equipment is intact, all kinds of instruments are normal, transmission safety protection device and the hopper filter and safety protection device is complete and reliable. All parts of the operating switches, buttons, handles, etc. should be in the correct position. 4, check whether the loose joints, drive the tightness of the chain to keep within the specified range. 5, open the release valve, open the motor idling for 2-3 minutes, check whether the normal components, the rotation direction is correct. 6, pumping process, always pay attention to the pressure gauge instructions, more than the required pressure should immediately identify the cause of troubleshooting. 7, should pay attention to check the ball valve, seat or squeeze tube wear and tear, if leakage should be found downtime inspection repair or replacement, before continuing operations and found the phenomenon of congestion should be promptly checked. 8, due to downtime, the slurry valve should be opened so that the pressure drop, and then troubleshooting. Concrete pump pressure did not drop to zero, the air chamber may not be disassembled, pressure relief valves and pipes, not to reach into the valve body operation. 9, in the operation of the machine, prohibit any adjustment and maintenance work, shall not climb or ride on the pipeline. 10, after the end of production, should stop feeding, the pump concrete and pulp all sent out, and shut down in the following order: 1) stop pumping, while the accumulator pressure; 2) Turn off the power source. 11, stop the pump, immediately clear the hopper and pipe concrete, cleaning (washing or gas washing) pump, hopper valve box, pipes and so on. During cleaning, personnel should leave the discharge nozzle and elbow pipe joints to avoid accidents. 12, manual cleaning pump rotating parts, should pay attention to standing in a safe place, be careful not to fall into the mixing tank (bucket). When cleaning pump housing, be careful not to allow water to enter the electrical box, solenoid valve and other parts. After cleaning the electrical box, the outer cover of the water wipe clean. 13, the cleaning work after a variety of circuit breaker switch to power off. Asia Fluid Network () Editor: Huang Nengwen, QQ:
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