Removing The Top Cover; Release The Lower Cma Assembly - IBM J15 Manual

Figure 77. Release the upper CMA assembly
2. Move the upper CMA to the left to swing it out of the way.
a) To reattach the upper CMA to the rail, reverse the procedure.
3. To release the lower CMA, push the latch on the support rail connector
connector base
Figure 78. Release the lower CMA assembly
4. Move the lower CMA to the right to swing it out of the way.
a) To reattach the lower CMA to the rail, reverse the procedure.

Removing the top cover

To complete some service tasks, you might need to remove the top cover from a 5U92 disk enclosure.
Before you begin
Important: You can remove the cover without powering off the disk enclosure. However, to maintain
operating temperature, replace the cover within 15 minutes of its removal. When the cover is removed,
the reduction in airflow through the enclosure might cause the enclosure or its components to shut down
to protect from overheating.
Procedure
1. Use the slide rails to pull the enclosure out from the rack. See "Removing a 5U92 disk enclosure from a
rack" on page 69 for details.
2. Slide the release latch (
12 on the left rail.
1 ) in the direction that is shown in Figure 79 on page 82.
11 to release it from the
Chapter 3. Maintaining the system hardware 81