1. Push the crimped contact into the socket resp. plug insulator until it engages. Pull lightly on the lead to check that the metail part has engaged.
2. Screw on the cable gland, hand-tight and with the this tools by tightening torque about 2.2 Nm.
3. Mount the connector together until they engage. Check correct engagement by pulling on the coupling.
4. Compress the two snap-in springs by hand or with this tool and separate the coupling.