Check whether the bolts of the hydraulic concrete placing boom can be tightened and whether the rotating shaft can function. Set up a scaffold to place the hydraulic distributor,and check and inspect it. Calculate the bearing capacity of the frame body.Check the reinforcement of the double fastener and whether the foundation is stable.

Connect concrete pipe. When connecting, it is necessary to fully check whether the pipe is cleaned completely, and rubber gaskets must be used at the interface. After the concrete pipe is connected, the bolts should be checked again.

Place the concrete placing boom and its counterweight, set off the pillow or wooden square at the foot and check whether the body of boom is straight.

concrete placing boom should be able to cover the whole structure plane and truck mounted boom pump should be moved as little as possible to complete the pouring, and can evenly and quickly placing the concrete. The equipment should be firm, stable, and does not affect the normal operation of other processes.

The layout principle of the pipe: the distance from the construction area should be as short as possible, and the elbow should be as less as possible. The pipe connection should be firm and stable. The pipe clamp should not contact the ground or support, and the pipe clamp should be more than 100mm away from the support in the horizontal direction and more than 100mm vertically away from the ground. The joint should be tightly sealed (rubber gasket can not be forgot).

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