Other CRUs
Removal and Replacement 3-21
1 - Bullwheel Gear
2 - Robot Lock (Improved Design)
To Manually Disengage the Robot
Caution: Perform this procedure only if either the library power
down (Step 1 of "Park and Lock the Robot")or"To Manually
Retract the Robot" does not work. This procedure damages the robot
assembly.
Task 1 Cut Cables
1. Make sure the library is powered down.
2. Remove all tape drives from the base module.
3. Cut the accordion cable (folded ribbon cable).
4. Reach into the library and cut both rear suspension cables.
5. Cut the front suspension cables.
The Z platform should settle to the floor of the bottom module.
Task 2 Remove the Robot CRU
1. Loosen the robot module thumbscrews.
2. Grasp the robot module thumbscrews and pull the robot approximately 254 mm
(10 inches) out of the base module.
3. Reposition your hands along the sides of the extended robot and close to the base
module.
4. Pull the robot completely out of the base module, and set it aside.
Task 3 Remove the Z Platform
1. Remove the cartridge magazines from the base module.
2. Remove cartridge magazines from expansion modules until you locate the Z
platform.
Note: You can also perform this procedure at the rear of the library
by removing the tape drives or drive fillers from the modules, and
reaching through the drive openings.
3. Grasp the platform by reaching through either the magazine or tape drive
openings.
4. Raise the platform by hand to the top of the base module.
5. Push the platform through the robot CRU opening at the rear of the base module
far enough so that it does not slip back inside the library.
6. Go to the back of the library, grasp the robot CRU, and remove it from the library.
Task 4 Finishing Touches
1. Inspect the library floor and remove any debris resulting from the broken robot.
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