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WARNING: The T1100 AS chassis performance requires all three fan
assemblies (the two rectangular fan assemblies and the square fan
assembly) be installed and operational for optimum performance. The
procedure in this section can be done while the chassis remains powered.
The T1100 AS chassis can operate with one fan assembly for brief periods.
Perform ALL of this procedure without delay. If the replacement fan
assembly is not available, DO NOT begin this procedure.
2.
Prepare the T1100 AS chassis for access to the FRU using one of the following
procedures:
WARNING:
frame when working on electronic components.
• Procedure 7-2, "Slide T1100 AS Chassis Out from Frame," on page 7-10
• Procedure 7-4, "Remove a T1100 AS Chassis from Frame," on page 7-12
(do not use this procedure when the fan assembly is replaced while the
chassis remains powered)
3.
To replace the square fan assembly, first open the front fascia by unscrewing
the knurled screws on either side of the chassis. Next, unlatch or use key to
unlock the latch of the front fascia. Once unlocked, gently swing open the
front fascia from the top of the chassis. The square fan is on the left side of the
chassis. There are two fans inside the square fan assembly; however, the fans
are replaced as a unit. See Figure 7-7 for square fan assembly location.
CAUTION: Be sure you do not unplug the cable from the printed circuit
board behind the front fascia while opening the front fascia. Removing this
cable from its connections will cause the server to shut down.
7-24
Preliminary
Always wear an ESD wrist strap grounded to the bench or
Field Replaceable Units
910-2969-001 Revision H, February 2007
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