Step 5.
Remove the cables from the power interface board.
Step 6.
Remove the power interface board (see “Removing the power interface board” on page 138).
Step 7.
Remove the power interface board bracket (see “Removing the power interface board bracket” on
page 140).
Step 8.
Remove the cables from the fan board.
Step 9.
Remove the 10 6#32 screws from the fan board.
Step 10. Lift the fan board out of the server.
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Figure 61. Fan board removal
Installing the fan board
Use this information to install the fan board.
Read the safety information in “Safety” on page v and “Installation guidelines” on page 75.
If you are replacing a server component in the server, you need to slide the server out from the rack
enclosure, turn off the server and peripheral devices, and disconnect the power cords and all external cables.
To install the fan board, complete the following steps.
Step 1.
Align the fan board holes with the cage holes on the server chassis.
Step 2.
Lower the fan board into the server.
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Lenovo ThinkServer sd350 Server Type 5493, Lenovo ThinkServer n400 Enclosure Type 5495Installation and Service Guide