4
3. Keep pressing the release, slide the top cover back until it stops, remove it from the
chassis, and set it aside.
4. Grasp the cowling at the bottom of the left side panel and lift.
5. Slide the left side panel back until it stops, remove it from the chassis, and set it aside.
6. Repeat steps 4 and 5 to remove the right side panel, if necessary.
To close the case:
1. Place the side panel on the chassis so that all tabs on the rear of the chassis insert into
their slots.
NOTE
When installing the left side panel, ensure that the security tab aligns with its corresponding
slot on the panel.
2. Push the side panel toward the front of the chassis, then push down to seat the panel.
3. Repeat steps 1 and 2 to install the remaining side panel, if necessary.
4. Place the top cover on the chassis so that all tabs are inserted into their slots.
5. Slide the top cover forward until it locks into place.
CAUTION
After servicing or upgrading the system, always replace the covers that were removed. Do not
defeat the AC interlock. The covers ensure the system maintains proper air flow, so internal
components do not overheat and fail. The covers also ensure that electromagnetic
interference (EMI) emissions remain below the standard requirements.