(1) After each work, all the pipelines of the wet shotcrete machine, the hopper of the pump and the piston cylinder must be cleaned.
(2) Open the lower door of the hopper of the pump, clean the concrete in the hopper of the wet shotcrete machine, close the lower door, fill up with water, and put the cleaning ball into the pipe to draw water until the cleaning ball and the cleaning water flow out.
(3) Remove all the pipes of the wet shotcrete machine and rinse with water until it is clean.
(4) It is usually necessary to process an end cap with a thread of the same size as the nozzle, and use it as a plug in the front section, disassemble the connecting elbow, and open the air source, so that the concrete in the pipeline is sprayed from the front end with compressed air and into the pipe. Add water, you can also use the accelerator pump to add water, then add the cleaning ball, open the package, and rinse repeatedly (this method must confirm that the surrounding staff are at a safe distance).
(5) Open the material lower door, rinse with water, start the reverse pump switch, rinse the discharge port with water, and clean the pump S swing tube.
