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Covers
The following procedures describe the removal and replacement of the system's service access cover.
Before performing the following procedures, read the "Safety Notices" on page ix.
Removing the Service Access Cover
To remove the service access cover, do the following:
1. Loosen the two captive thumbscrews located on the rear of the cover. See the following illustration for
thumbscrew locations.
2. Using the access cover handle, slide the cover toward the rear of the system.
3. After the front of the service access cover has cleared the front chassis ledge, lift the cover off the
system unit.
Attention:
For proper cooling and airflow, replace the cover before turning on the system. Operating
the system for extended periods of time (over 30 minutes) with the cover removed might damage
system components.
1 Model 275
2 Service Access Cover Pin Slots
3 Service Access Cover
Replacing the Service Access Cover
To replace the service access cover, do the following:
1. Align the service access cover pins with the slots in the the system. The flanges on the top and bottom
of the cover wrap around the system chassis.
2. Hold the service access cover against the system drawer and slide it toward the front of the system.
3. Tighten the two captive thumbscrews located on the rear of the cover.
5
6
4
3
1
5
2
4 Thumbscrews
5 Service Access Cover Pins
6 Service Access Cover Handle
Chapter 9. Removal and Replacement Procedures
249
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