1. Before the start of the concrete mixer to see the controller is not outstanding, after stopping the water and stones into the mixing tube 10 to 15 minutes for cleaning, and then clear the water and stones. If the operator is required to enter the mixing cylinder to clean. In addition to intercepting the power supply and removing the fuse, and to lock the switch box.
2. Strictly prohibited to use sledgehammer method to eradicate the accumulation of concrete mixer in the barrel of concrete, can only be used to eradicate chisel.
3。 In the cold season, after the completion of the application of water washing the mixer drum and the pump, water tank, water inside the water put the net, to prevent frost damage.
4。 The maintenance of the rules of the rules of the project protection, maintenance operations, such as cleaning, smooth, refueling and so on.