1.Place the concrete pump on a solid concrete floor or stone pier first, maintain the degree, and lock the positioning pins and pins of the four legs of the pump to remove the tire from the ground or remove the tire. 2.Make a chute according to the discharge port of the mixing machine and the hopper of the wear-resistant pump pipe machine, so that the material discharged from the mixing machine and the machine can enter the hopper of the pump through the chute. 3.The chute is usually made of