Lenovo System x3750 M4 Installation And Service Manual page 266

1. Touch the static-protective package that contains the new fan to any unpainted metal surface on the
server; then, remove the new fan from the package.
2. Orient the fan over the fan slot in the fan cage assembly so that the fan connector aligns with the
connector on the system board.
3. Insert the fan into the fan slot in the fan cage assembly and ensure that is it seated correctly and the fan
release tab is in the slot (hole) on the fan cage assembly.
4. Install the cover (see "Replacing the server top cover" on page 216).
5. Slide the server into the rack.
Removing the fan cage assembly
Use this information to remove the fan cage assembly.
To remove the fan cage assembly, complete the following steps:
Step 1. Read the safety information and installation guidelines, see "Safety" on page v and "Installation
guidelines" on page 38.
Step 2. Turn off the server (see "Turning off the server" on page 23) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables as necessary to replace the device.
Step 3. If the server is in a rack, slide the server out of the rack.
Step 4. Remove the top cover (see "Removing the server top cover" on page 216).
Step 5. If you are replacing the fan cage assembly, remove the fans (see "Removing a hot-swap fan
assembly" on page 251).
Step 6. Lift the fan cage assembly release latches and rotate the release latches up until the assembly
disengages from the chassis; then, lift the fan cage assembly out of the server.
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Lenovo System x3750 M4 Installation and Service Guide
Hot-swap fan
Fan latch
Hot-swap
fan error LED