As one of the commonly used equipment in concrete spraying, The shotcrete machine for dry material is widely used in tunnel, subway, culvert underground engineering, hydropower engineering, coal mine laneway and other projects.

The rubber cavity and elbow are vulnerable parts of the machine, so pay attention to their use and maintenance is needed. Today, let's learn how to repair and maintain the rubber cavity and elbow.

The material cavity and discharge elbow matched with the shotcrete machine for dry material have the function of anti sticking, which generally will not stick when working. Nevertheless, the operator shall open the rotor and elbow for inspection and cleaning after each shift.