IBM 86605SU Maintenance Manual - Page 193

Caution, Attention, Slide the replacement fan assembly into the server.

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Caution The power cable to the fan should be disconnected whenever the fan assembly is not installed in the server; otherwise, the fan might start turning while you are holding it and the fan blades could injure your fingers. 1. Remove the top cover (see "Top Cover Removal" on page 261). Attention: To ensure proper system cooling, the top cover should be removed for no more than 30 minutes during this procedure. 2. Determine which fan assembly 2 , 3 , or 5 needs to be replaced by checking the fan LEDs on the diagnostic panel (see "Diagnostics Panel LEDs" on page 164). 3. Disconnect the fan power cable 1 from the fan assembly that you are replacing. 4. Turn the quarter-turn fastener 6 for the fan assembly one quarter turn and remove the fan assembly from the server. 5. Slide the replacement fan assembly into the server. (If you are replacing fan assembly 1 3 , make sure the tabs 4 fit into the slots at the bottom of the fan opening in the server.) 6. When you have the fan assembly correctly seated, turn the quarter-turn fastener 6 one quarter turn to secure the fan in the server. 7. Connect the fan power cable 1 to the power connector. 8. Replace the top cover (see "Installing the Top Cover" on page 155). 188 Netfinity Server HMM

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Caution
The power cable to the fan should be disconnected
whenever the fan assembly is not installed in the
server; otherwise, the fan might start turning while you
are holding it and the fan blades could injure your
fingers.
1.
Remove the top cover (see “Top Cover Removal” on
page 261).
Attention:
To ensure proper system cooling, the top cover
should be removed for no more than 30 minutes
during this procedure.
2.
Determine which fan assembly
±2²
,
±3²
, or
±5²
needs
to be replaced by checking the fan LEDs on the
diagnostic panel (see “Diagnostics Panel LEDs” on
page 164).
3.
Disconnect the fan power cable
±1²
from the fan
assembly that you are replacing.
4.
Turn the quarter-turn fastener
±6²
for the fan
assembly one quarter turn and remove the fan
assembly from the server.
5.
Slide the replacement fan assembly into the server.
(If you are replacing fan assembly 1
±3²
, make sure
the tabs
±4²
fit into the slots at the bottom of the fan
opening in the server.)
6.
When you have the fan assembly correctly seated,
turn the quarter-turn fastener
±6²
one quarter turn to
secure the fan in the server.
7.
Connect the fan power cable
±1²
to the power
connector.
8.
Replace the top cover (see “Installing the Top Cover”
on page
155).
188
Netfinity Server HMM