IBM 866251Y - Netfinity 5500 M20, Hardware Maintenance Manual, Page: 212 / 386

3. If you are replacing fan assembly 1, 2, or 3:
a. Disconnect the fan power cable
.3/
from the fan
assembly that you are replacing.
b. If you are removing fan assembly 1
.4/
, turn the
two quarter-turn fasteners
.2/
one quarter turn
and remove the processor support tray cover
.2/
.
c. Turn the fan assembly quarter-turn fastener
.1ð/
one quarter turn and remove the fan assembly
from the server.
d. Slide the replacement fan assembly into the
server. (If you are replacing fan assembly 1
.4/
,
make sure the tabs
.5/
fit into the slots at the
bottom of the fan opening in the server.)
e. When you have the fan assembly correctly
seated, turn its quarter-turn fastener
.1ð/
one
quarter turn to secure the fan in the server.
f. If you removed the processor support tray cover
.1/
, install it and turn the two quarter-turn
fasteners
.2/
one quarter turn to secure the
cover.
g. Connect the fan power cable
.3/
to the power
connector.
4. If fan assembly 4
.7/
needs to be replaced:
a. Turn the two processor support tray cover
quarter-turn fasteners
.2/
one quarter turn and
remove the processor support tray cover
.1/
.
b. Lift up on the fasteners
.8/
for fan assembly 4
.7/
and remove the fan assembly from the
server.
c. Slide the replacement fan assembly into the
server. (Make sure the fan assembly fits into the
slots on the processor support tray.)
d. When you have the fan assembly correctly
seated, push down on the fasteners
.8/
until
they click into place.
e. Install the processor support tray cover
.1/
turn
the two quarter-turn fasteners
.2/
one quarter
turn to secure the cover.
5. Replace the top cover (see “Installing the top cover”
on page 178).
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Netfinity Server HMM