9-8 TS3400 Tape Library Maintenance Information
Replacement Procedure
1. Remove the packaging from the replacement power supply.
2. Grasp the handle (  in Figure 9-5) while supporting the power supply from 
underneath and insert it into the rear of the library. Then, carefully push it into 
the library.
3. Tighten the blue thumb screw (  in Figure 9-5) on the power supply unit by 
turning it clockwise.
4. Connect the power cable (  in Figure 9-5) to the power supply unit.
5. Power ON the power supply by toggling the power switch (  in Figure 9-5) to 
the ON (|) position.
6. From the Operator Panel, run the Library Verify test in the Service Mode menu. 
See “Running Library Verify Diagnostics” on page 7-5.
7. If requested, take the library online. See “Taking the Library Offline/Online” on 
page 7-23.
8. Package the failed power supply in the same packaging that the new power 
supply was shipped to you in, and return to IBM.
9. Go to “End of Call” on page 7-26.
Replacing the Library Control Blade (LCB)
Figure 9-6. Library Control Blade
The Library Control Blade (LCB) manages the entire library, including the Operator 
Panel and Accessor assembly. It also monitors the library to ensure that the library is 
functioning properly.
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