Kontron TIGW1U Carrier Grade Server - Manual (Page 54)

TIGW1U server—Server Installations and Upgrades
Kontron Carrier Grade Server TIGW1U
Product Guide, rev. 1.3 December 2009
54
3.5.2.1 Replacing the CPU Four-Fan Assembly
1. Remove the processor air duct that covers the processor and cooling area behind
the drive trays. For instructions, see Section 3.2.5, “Removing the Processor Air
Duct” on page 26 .
2. Disconnect the four fan power cables from the SAS front panel (SFP) board by
squeezing the latch on each of the four fan cable connectors. See Figure 9 for the
locations of these connectors.
3. Remove all four fans from their pockets in the fan bracket.
4. Insert one of the blue fan bumpers into each of the eight mounting holes on all four
dual-rotor fans.
The locking shoulder will catch on the flange to fasten the bumper to the fan. (“A”
in Figure 43 )
5. Align the fans with the arrow on top facing the rear of the chassis.
6. Push each of the four fans into one of the pockets in the four-fan assembly bracket.
(See Figure 44 )
Figure 43. Installing the Fan Bumpers
A
B
TS000290