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remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
"
CAUTION:
Make sure that all server power cords are disconnected from their power sources before performing
this procedure.
Before you remove an upper fan cage:
1. Remove the front cover. See "Remove the front cover" on page 131.
2. Remove the upper compute tray or storage tray. See "Remove a compute tray" on page 115 or
"Remove a storage tray" on page 232.
3. If you removed a compute tray and it has one or more compute system boards or a system board filler
installed, remove the system boards or system board filler. See "Remove a system board" on page 109
or "Remove a system board filler" on page 113.
4. Turn the tray upside down.
Complete the following steps to remove an upper fan cage.
Watch the procedure. A video of the installation process is available:
•
YouTube
•
Youku
User Guide for ThinkAgile VX7820 Appliance, ThinkAgile VX 4-Socket 4U Certified Node
122
" on page 89
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