4. The belt cover: if it can be removed by the customer, it needs to use anti-lost screws, <br>if it can only be removed by the service department, it needs to be explained in the manual
4. Belt cover: If the customer can be removed, need to use anti-drop screws,<br> If it can only be dismantled by the service department, it needs to be explained in the instruction manual
4. Belt cover: if it can be removed by customers, it needs to use anti loss screw,<br>If it can only be disassembled by the service department, it needs to be explained in the manual<br>