Unlock the Robot
Securing Thumbscrew-Type Robot Locks  C-3
3. Pull the lock assembly straight out of the chassis until the long tab comes out of 
the slot at left.
4. Rotate the lock assembly clockwise 180 degrees, and slide the long tab into the slot 
at right. Push the lock assembly into the chassis.
When the lock is correctly inserted, a white, unlocked padlock icon is visible in the 
small window on the left side of the lock assembly.
5. Secure the lock assembly by tightening the captive screw.