For the tensioning device in the transmission system, especially in the transmission system of the mixer driven by the chain, regular tightening and maintenance should be done to prevent the tensioning device from failing and damaging the equipment.

　　At the end of each work shift, the belt conveyor should be cleaned to remove the adherents on it and prevent the adverse impact on the use of the belt due to the hardening of the adherents.

　　For the mixer, the residue in the bin should be removed and rinsed to prevent the adhesion from hardening and wearing the blades, increasing the load on the motor and affecting the use.

　　When filling and replacing the oil of the electric drum and reducer, it must be carried out in strict accordance with its instructions.

　　During the operation, pay attention to the change of the oil level and replenish the oil in time.