D20 Service Access Cover - IBM eserver pSeries 7311 D10 Service Manual

D20 Service Access Cover

Before performing the following procedure, read the "Safety Considerations" on
page 53.
Opening the Service Access Cover
To open the service access cover, do the following:
1. Open the front rack door and place the Model D20 subsystem into the service
position as described in "D20 Service Position" on page 125.
2. Loosen the three captive thumbscrews located on the rear of the cover. See the
following illustration for thumbscrew locations.
Note: The service access cover pivots on a piano hinge located directly behind the
3. To open the service access cover, lift the cover up from the back edge. The hinges
allow the service access cover to swing open to about 170 degrees. Do not force
the cover to come to a rest on top of the cooling blowers.
Note: When you open the service access cover, ensure you have enough height
4. Close then secure the service access cover with the three thumbscrews located on
its back edge.
Attention:
system. Operating the system for extended periods of time (over 30 minutes) with the
cover opened might damage the system components.
four cooling blowers.
clearance.
For proper cooling and airflow, close the cover before turning on the
1 Thumbscrews
2 Service Access Cover
3 Model D20 Subsystem
Chapter 8. Removal and Replacement Procedures
127