Replacing The Power Paddle Card - IBM System x3300 M4 Installation And Service Manual

13. If you are instructed to return the power paddle card, follow all of the
packaging instructions, and use any packaging materials for shipping that are
supplied to you.

Replacing the power paddle card

The power paddle card enables the redundancy power support. To replace the
power paddle card assembly, complete the following steps:
1. Read the safety information that begins in Safety and "Installation guidelines"
on page 36.
2. Turn off the server (see "Turning off the server" on page 24) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables from the server.
3. Carefully turn the server on its side so that it is lying flat, with the cover
facing up.
Attention: Do not allow the server to fall over.
4. Unlock and remove the left-side cover (see "Removing the left-side cover" on
page 39).
5. Remove the air baffle (see "Removing the air baffle" on page 41)
6. Remove the fan assembly (see "Removing the fan assembly" on page 42)
7. Remove the existing power paddle card if there is one installed. (See
"Removing the power paddle card" on page 414)
8. Align the power paddle card to the guide pins of the redundant power supply
cage, then, slightly install the power paddle card to the redundant power
supply cage showed as step 1 in the following illustration.
9. Replace the redundant power supply cage cover showed as step 2 in the
following illustration.
Attention: Make sure that the cage cover have been clicked into the tabs of
the redundant power supply cage showed as the zoom-in area in the
illustration.
10. Tighten two screws showed as step 3 in the following illustration.
11. Install the hot-swap power supply that came with the power paddle card. (see
"Installing a hot-swap power supply" on page 100).
Chapter 6. Removing and replacing components
415