IBM 4851 514 Service Guide - Page 101

Updated October, 2008 Removing and replacing FRUs rotate it until you feel it engage the slot at the bottom of the cylinder; then turn the aligner tool until the arrow points up. 2. Remove the key that came with the new lock insert. 3. Push the brass installation-removal key into the lock insert. Be sure the key is fully inserted. 4. With the brass installation-removal key still in the lock insert, push the lock insert fully into the lock cylinder. 5. While holding the lock insert in place with your finger, remove the installation-removal key. 6. Test the lock using the keys that came with the insert to be sure that the lock operates correctly. Removing and replacing the blank lock insert To remove the blank lock insert: 1. Insert the blank lock-insert handle into the blank keylock cylinder (see Figure 71 on page 84). 2. Using the blank insert handle, turn the locking screw counterclockwise until the insert can be removed from the cylinder. 3. When replacing the blank lock insert, the lug on one end of the insert must be aligned with the slot in the bottom of the lock cylinder. Hold the blank lock insert so that the lug is aligned with the slot. 4. Push the blank lock insert into the empty lock cylinder until it is flush with the top of the lock cylinder. 5. Use the blank lock-insert handle to turn the locking screw clockwise until it reaches the bottom of the hole. Do not overtighten. To replace the blank lock insert, reverse this procedure. Chapter 5. Removing and replacing FRUs 85