CAME FROG-A Manuel D'installation page 24

Lubricate the foundation case pin, the latch and the gate bracket pin.
Install the gate leaf, inserting the upper hinge.
Check that the leaf opens and closes without difficulty.
Carefully fix or weld the door to the gate fixing bracket.
Securing the release
It is important to lubricate the release tab; follow the instructions in the manual of the device selected for information on installation and operation.