Note- Mak e a note of the locations of the fan units before removing them to ensure that they
arereinstalled correctly .
12. Loosenthe two screws in the fan slot and then remove the fan shelf.
Figure15-4 Screwsin thefan slot
15.4.2 Removing the operation panel
1. Loosenthe two screws securing the PSU backplane unit and partially pull out
thePSU backplane unit.
Figure15-5 Screwssec uring the PSU backplane unit
2. Removethe cable from the operation panel and loosen one screw (A in the
figure).
Chapter15 Maintainingthe Operation Panel 289