8. Install the hot-swap hard disk drives in the optional rear hard disk drive cage
(see “Installing a hot-swap hard disk drive” on page 54).
If you have other devices to install or remove, do so now. Otherwise, go to
“Completing the installation” on page 89.
Installing a system fan
For proper cooling, the server requires that all fans in the system be operating at all
times.
Attention: To ensure proper server operation, if a fan fails, replace the fan
immediately.
See “System-board internal connectors” on page 28 for the locations of the fan
cable connectors.
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. Read the safety information that begins on page vii and “Installation guidelines”
on page 35.
3. Turn off the server and peripheral devices and disconnect all power cords and
external cables (see “Turning off the server” on page 24).
4. Remove the server top cover (see “Removing the server top cover” on page
44).
5. If you have the optional hot-swap rear hard disk drive cage installed, rotate it
up (see “Rotating the optional hot-swap rear hard disk drive cage up” on page
46).
6. Remove the PCI riser-card assembly (see “Removing the PCI riser-card
assembly” on page 46).
7. Remove the air baffle (see “Removing the air baffle” on page 49).
8. Installing Fan 1A:
70 System x3630 M4 Type 7158: Installation and User’s Guide
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