IBM 8203-E4A, Руководство пользователя

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Removing and replacing covers and doors
Use these instructions to remove, replace, or install covers to access components or perform service.
Removing the service access cover from a rack-mounted 8203-E4A,
8204-E8A, 8261-E4S, 9407-M15, 9408-M25, or 9409-M50
Use this procedure to remove the service access cover to perform service or to gain access to internal
components.
1. Place the system into the service position. For instructions, see “Placing a rack-mounted 8203-E4A,
8204-E8A, 8261-E4S, 9407-M15, 9408-M25, or 9409-M50 in the service position” on page 47.
2. Loosen the two thumbscrews (A) located at the back of the cover.
3.
Slide the cover
(B)
toward the back of the system unit. When the front of the service access cover
clears the upper frame ledge, lift the cover up and off the system unit.
Attention: For proper cooling and airflow, install the cover before starting the system. Operating the
system without the cover for more than 30 minutes could damage the system components.
Installing the service access cover on a rack-mounted 8203-E4A,
8204-E8A, 8261-E4S, 9407-M15, 9408-M25, or 9409-M50
Use this procedure to install the service access cover after performing service or accessing internal
components.
1. Place the service access cover (A) on the top of the system unit, approximately 25 mm (1 in.) from the
front of the system unit.
2. Hold the service access cover against the system unit, and slide it toward the front of the system.
The tabs on the service access cover slide beneath the upper chassis ledge, and the two thumbscrews
align with the screw holes at the back of the system unit.
Figure 22. Remove the service access cover from a rack-mounted model
Chapter 3. Common procedures for installable features
33