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Replacement
1. If you are replacing a fansink 09P1125, install the new component by hooking the
side opposite the finger tab and then pushing the finger tab side down until it locks
into position.
OR
If you are replacing a fansink 09P1126, first remove the paper pull tab to expose the
thermal grease underneath. Install the new fansink by hooking the side opposite the
finger tab and then pushing the finger tab side down until it locks into position.
2. Plug the new fansink into the system board connector of the old fansink.
3. Reinstall the disk drive bracket assembly (and any PCI Adapter Cards that were
removed from slot 5).
4. Reinstall the top cover.
5. Power on the system and run diagnostics.
Removing and Replacing the 7043–150 System Board Fansink
Removal
1. Inform the customer that the system must be powered off for approximately one
hour for the fan to be replaced.
2. To power off the system, refer to the ″Removal and Replacement Procedures″
chapter in the
RS/6000 7043–43P Series Service Guide
. Power off the system as
described in ″Cover Removal″ and continue to unlock and remove the cover.
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 2YL1109140246 FRU 90541L581 41L5912
After you have identified both the system board assembly part number and the FRU
part number, see the table in“Determining the Fansink Assembly Number to be
Replaced” on page 1 to determine the appropriate fan to be replaced.
4. To remove the disk drive bracket, refer to the ″Removing Internal Drive″ section of
the
RS/6000 7043–43P Series Service Guide
.
Note: If a hard file is attached to the disk drive bracket, unplug the hard file before
removing the bracket assembly.
4 Supplement to the Service Guide and User’s Guide