Removing A Power Supply - Lenovo System x3550 M4 Installation And Service Manual

Figure 166. Fan installation
Step 5. Insert the fan into the fan slot in the fan assembly bracket and press it down until it is seated
correctly in the slot and the fan connector is seated correctly in the connector on the system board.
Note: Make sure that the newly-installed fan aligns horizontally with other correctly-seated fans
for proper installation.
Step 6. Replace the cover (see "Replacing the cover" on page 190).
Step 7. Slide the server into the rack.

Removing a power supply

Use this information to remove a power supply.
Removing a hot-swap ac power supply
Use this information to remove a hot-swap ac power supply.
When you remove or install a hot-swap power supply, observe the following precautions.
Statement 5
CAUTION:
The power control button on the device and the power switch on the power supply do not turn off
the electrical current supplied to the device. The device also might have more than one power
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System x3550 M4 Installation and Service Guide