IBM DCS3860, Installation, User'S, And Maintenance Manual

Page: 125 / 204

2. Pull the bezel toward you to remove it from the enclosure.
3. Place the bezel to the front of the storage expansion enclosure (see Figure 53).
4.
Press the bezel inward until both latches lock the bezel in place.
Working with environmental service modules
You must be ready with these things before you work with environmental service
modules (ESM).
CAUTION:
To prevent damage from overheating, replace a failed ESM assembly FRU within
5 minutes of removal. If replacing it will take longer than 5 minutes, stop all I/O
activity to the storage expansion enclosure and turn off the power until you
complete the replacement.
Do not remove the failed part from the storage enclosure until you:
v
Review the replacement procedure for the failed part in this guide.
v
Locate screw drivers or any other tools that you might need to replace the failed
part.
v
Receive the replacement part and are ready to install it in the enclosure.
Replacing an ESM
Before you begin, read the safety information found in the prolog of this
document.
CAUTION:
To prevent damage from overheating, replace a failed ESM assembly FRU within
5 minutes of removal. If replacing it will take longer than 5 minutes, stop all I/O
activity to the storage expansion enclosure and turn off the power until you
complete the replacement.
Complete the following steps to replace an ESM:
1. Disconnect the SAS cables from the ESM.
2. Open the two release levers. The ESM moves out of the bay approximately 0.6
cm (0.25 inch).
Latch
Latch
Figure 53. Removing the bezel
Chapter 5. Replacing components
107