IAI RoboNet Operation Manual page 233

(2) Removing the Gripped Load
This gripper is structured so that the load-gripping force will be maintained by a self-lock function even after the servo is
turned OFF or the controller power is cut off.
If the gripped load must be removed while the power is cut off, turn the open/close screw or take out one finger
attachment to remove the load.
[2-finger Type]
Turn the open/close screw or take out one finger attachment.
[3-finger Type]
Take out one finger attachment.
Open/close screw
Turn counterclockwise using a
screwdriver.
Finger attachment
Finger attachment
Fixing bolt
Fixing bolt
Part 1 Specification
213