Model 140 Fansink - IBM RS/6000 7043 43P Series Service Manual

Model 140 Fansink

Removal
1. Inform the customer that the system must be powered off for approximately one
hour for the fan to be replaced.
2. Power off the system as described in "Cover Removal" and continue to remove
the covers.
3. Determine the system board assembly part number by noting the white barcode
label attached to the card.
Locate the assembly part number in the leftmost alphanumeric block of
characters, following the first three characters, which are always 11S. In the
following example, the assembly part number is 41L5812.
The FRU part number is in the center alphanumeric block of characters, following
the first three characters which are always FRU. In the following example, the
FRU part number is 41L5912.
11S 41L5812
After you have identified both the system board assembly part number and the
FRU part number, see the table Model 140 and Model 150 Fansink Numbers by
System Board Assembly and FRU numbers on page 9-12 to determine the
appropriate fansink to be replaced.
4. To remove the disk drive bracket, refer to the "Removing Internal Drive" section
of this chapter. Carefully place the bracket assembly on top of the power supply
(leave the hard files plugged in).
Note: Disconect temporarily any PCI Adapter Card installed in slot 5 in order to
remove the disk drive bracket.
YL1109140246
Chapter 8. Removal and Replacement Procedures
FRU 41L5912 905
8-31