​Maintenance steps of the opener

　　Maintenance steps: 　　 1. Check whether the bearing is well lubricated: Lubricating oil must be added frequently to maintain lubrication. 　　2. Check whether all fasteners are tight. Check if the drive belt is installed correctly and in good condition. If the belt is found to be damaged, it should be replaced in time. When there is oil stains on the belt or pulley, wipe it with a clean cloth. 　　 3. Check whether the protection device is in good condition. If the protection device is found to be damaged, it should be removed in time. 　　 4. Check the damaged cavity for materials or other debris, and remove it if necessary. Avoid unnecessary losses caused by fire. 5. Regularly check the fixing screws of the frame and the machine.