Before installing the diaphragm elastic coupling, clean the end faces of the two shafts and check the coordination of the key grooves on the end faces; after installation, it is necessary to check all the screws for a normal operation. If it is found to be loose, it needs to be tightened. Repeat several shifts. To be sure it will not loosen.
The coupling has a corresponding torque range. When the coupling is overloaded, it will automatically disconnect to protect the machine.